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    <title>Cinderella Blog - Lineare Algebra</title>
    <link>http://blog.cinderella.de/</link>
    <description>Cinderella Constructions and More</description>
    <dc:language>en</dc:language>
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<pubDate>Fri, 15 Jun 2007 14:20:49 GMT</pubDate>

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        <title>RSS: Cinderella Blog - Lineare Algebra - Cinderella Constructions and More</title>
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<item>
    <title>Drehstreckung.cdy</title>
    <link>http://blog.cinderella.de/archives/152-Drehstreckung.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/152-Drehstreckung.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=152</wfw:comment>

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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
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Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Matrix einer Drehstreckung.&lt;br /&gt;
&lt;br /&gt;
Der Punkt v&lt;sub&gt;1&lt;/sub&gt; und alle Punkte des Hauses sind bewegbar.&lt;br /&gt;
 
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    <pubDate>Fri, 15 Jun 2007 16:20:33 +0200</pubDate>
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<item>
    <title>IterierteDrehstreckung.cdy</title>
    <link>http://blog.cinderella.de/archives/151-IterierteDrehstreckung.cdy.html</link>
            <category>Lineare Algebra</category>
    
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
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Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
&lt;br /&gt;
Iteration einer Drehstreckung&lt;br /&gt;
&lt;br /&gt;
Der Punkt v&lt;sub&gt;1&lt;/sub&gt; und alle Punkte des Hauses sind bewegbar.&lt;br /&gt;
 
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    <pubDate>Fri, 15 Jun 2007 16:17:31 +0200</pubDate>
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</item>
<item>
    <title>Drehung1.cdy</title>
    <link>http://blog.cinderella.de/archives/149-Drehung1.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/149-Drehung1.cdy.html#comments</comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
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Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Berechnung einer Drehmatrix 
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    <pubDate>Fri, 15 Jun 2007 16:01:29 +0200</pubDate>
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</item>
<item>
    <title>Matrix4.cdy</title>
    <link>http://blog.cinderella.de/archives/146-Matrix4.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/146-Matrix4.cdy.html#comments</comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
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Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Multiplikation einer Matrix mit einem Vektor. 
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    <pubDate>Fri, 08 Jun 2007 15:33:43 +0200</pubDate>
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</item>
<item>
    <title>Interpolation.cdy</title>
    <link>http://blog.cinderella.de/archives/142-Interpolation.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/142-Interpolation.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=142</wfw:comment>

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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
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Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Berechnung einer Lagrange Interpolation durch n Punkte:&lt;br /&gt;
&lt;br /&gt;
Der Algorithmische Kern der Berechnung ist:&lt;br /&gt;
&lt;br /&gt;
&lt;b&gt;&lt;br /&gt;
pts=allpoints();&lt;br /&gt;
&lt;br /&gt;
xs=apply(pts,#.x);&lt;br /&gt;
ys=apply(pts,#.y);&lt;br /&gt;
n=length(pts);&lt;br /&gt;
&lt;br /&gt;
//Hier wird nun die Interpolation berechnet&lt;br /&gt;
&lt;br /&gt;
f(x,i):=product(1..n--[i],j,x-xs_j);&lt;br /&gt;
p(x,i):=f(x,i)/f(xs_i,i)*ys_i;&lt;br /&gt;
p(x):=sum(1..n,i,p(x,i));&lt;br /&gt;
&lt;br /&gt;
//Und hier nur noch gemalt&lt;br /&gt;
&lt;br /&gt;
plot(p(x));&lt;br /&gt;
&lt;/b&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
 
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    <pubDate>Wed, 06 Jun 2007 14:51:52 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/142-guid.html</guid>
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</item>
<item>
    <title>Hermite.cdy</title>
    <link>http://blog.cinderella.de/archives/140-Hermite.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/140-Hermite.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=140</wfw:comment>

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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
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&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=&quot;euclideanport.scale&quot; value=&quot;113.63636363636364&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;113.63636363636364&quot;&gt;
&lt;param  name=originx value=&quot;-4&quot;&gt;
&lt;param  name=originy value= &quot;390&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;false&quot;&gt;
&lt;param  name=axes value=&quot;false&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Berechnung eines st&amp;uuml;ckweise kubischen &lt;br /&gt;
Hermite Splines. Die H&amp;ouml;he der St&amp;uuml;zpunkte&lt;br /&gt;
und die Steigungen sind einstellbar.&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
&lt;b&gt;&lt;br /&gt;
pts=[A,B,C,D,E];&lt;br /&gt;
n=length(pts);&lt;br /&gt;
&lt;br /&gt;
forall(1..n,(pts_#).x=#);&lt;br /&gt;
&lt;br /&gt;
p1(x):=(1-x)^2*(1+2*x);&lt;br /&gt;
p2(x):=(3-2*x)*x^2;&lt;br /&gt;
&lt;br /&gt;
q1(x):=x*(1-x)^2;&lt;br /&gt;
q2(x):=-x^2*(1-x);&lt;br /&gt;
&lt;br /&gt;
f(y1,y2,h1,h2,x):=y1*p1(x)+y2*p2(x)+h1*q1(x)+h2*q2(x);&lt;br /&gt;
&lt;br /&gt;
plot(f(A.y,B.y,a.slope,b.slope,x-1),start-&gt;1,stop-&gt;2,size-&gt;2);&lt;br /&gt;
plot(f(B.y,C.y,b.slope,c.slope,x-2),start-&gt;2,stop-&gt;3,size-&gt;2);&lt;br /&gt;
plot(f(C.y,D.y,c.slope,d.slope,x-3),start-&gt;3,stop-&gt;4,size-&gt;2);&lt;br /&gt;
plot(f(D.y,E.y,d.slope,e.slope,x-4),start-&gt;4,stop-&gt;5,size-&gt;2);&lt;br /&gt;
&lt;br /&gt;
&lt;/b&gt; 
    </content:encoded>

    <pubDate>Tue, 05 Jun 2007 18:30:18 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/140-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>InterpolParam.cdy</title>
    <link>http://blog.cinderella.de/archives/139-InterpolParam.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/139-InterpolParam.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=139</wfw:comment>

    <slash:comments>0</slash:comments>
    <wfw:commentRss>http://blog.cinderella.de/rss.php?version=2.0&amp;type=comments&amp;cid=139</wfw:commentRss>
    

    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 680
        height   = 350&gt;
&lt;param name=kernelID value=&quot;1181056239252&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1181056728674.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;0&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.2&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;2&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=&quot;euclideanport.scale&quot; value=&quot;25.0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;25.0&quot;&gt;
&lt;param  name=originx value=&quot;226&quot;&gt;
&lt;param  name=originy value= &quot;233&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;false&quot;&gt;
&lt;param  name=axes value=&quot;false&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Parametrische Lagrange Inerpolation&lt;br /&gt;
durch 5 Punkte in zwei Dimensionen.&lt;br /&gt;
&lt;br /&gt;
&lt;b&gt;&lt;br /&gt;
pts=allpoints();&lt;br /&gt;
&lt;br /&gt;
xs=apply(pts,#.x);&lt;br /&gt;
ys=apply(pts,#.y);&lt;br /&gt;
n=length(pts);&lt;br /&gt;
ts=1..n;&lt;br /&gt;
&lt;br /&gt;
f(t,i):=product(1..n--[i],j,t-ts_j);&lt;br /&gt;
&lt;br /&gt;
px(t,i):=f(t,i)/f(ts_i,i)*xs_i;&lt;br /&gt;
py(t,i):=f(t,i)/f(ts_i,i)*ys_i;&lt;br /&gt;
&lt;br /&gt;
px(t):=sum(1..n,i,px(t,i));&lt;br /&gt;
py(t):=sum(1..n,i,py(t,i));&lt;br /&gt;
&lt;br /&gt;
plot((px(t),py(t)),start-&gt;1, stop-&gt;n,size-&gt;2,color-&gt;(0.8,0,0));&lt;br /&gt;
&lt;/b&gt;&lt;br /&gt;
&lt;br /&gt;
 
    </content:encoded>

    <pubDate>Tue, 05 Jun 2007 17:18:48 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/139-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>PowersOfZ.cdy</title>
    <link>http://blog.cinderella.de/archives/124-PowersOfZ.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/124-PowersOfZ.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=124</wfw:comment>

    <slash:comments>0</slash:comments>
    <wfw:commentRss>http://blog.cinderella.de/rss.php?version=2.0&amp;type=comments&amp;cid=124</wfw:commentRss>
    

    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 453
        height   = 417&gt;
&lt;param name=kernelID value=&quot;1179473989323&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1179474624613.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;-1&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;98.07200601616847&quot;&gt;
&lt;param  name=originx value=&quot;218&quot;&gt;
&lt;param  name=originy value= &quot;205&quot;&gt;
&lt;param  name=deltafactor value= &quot;-1&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Powers of the complex number z. 
    </content:encoded>

    <pubDate>Fri, 18 May 2007 09:50:24 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/124-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>RootsOfAPolynomial.cdy</title>
    <link>http://blog.cinderella.de/archives/123-RootsOfAPolynomial.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/123-RootsOfAPolynomial.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=123</wfw:comment>

    <slash:comments>0</slash:comments>
    <wfw:commentRss>http://blog.cinderella.de/rss.php?version=2.0&amp;type=comments&amp;cid=123</wfw:commentRss>
    

    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 635
        height   = 362&gt;
&lt;param name=kernelID value=&quot;1179433061091&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1179435403583.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;35.44987285613808&quot;&gt;
&lt;param  name=originx value=&quot;373&quot;&gt;
&lt;param  name=originy value= &quot;259&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Explorer for the roots of a real polynomial.&lt;br /&gt;
You can change the polynomial by moving the &lt;br /&gt;
white points.&lt;br /&gt;
&lt;br /&gt;
The roots (solutions of p(x)=0) are drawn as little dots.&lt;br /&gt;
Also complex roots are shown (as red dots).&lt;br /&gt;
For the representation of complex roots the plane is &lt;br /&gt;
identified with the complex number plane.&lt;br /&gt;
&lt;br /&gt;
Observe that the complex roots occur in pairs.&lt;br /&gt;
For each complex root its complex conjugate is also a root.&lt;br /&gt;
 
    </content:encoded>

    <pubDate>Thu, 17 May 2007 22:56:43 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/123-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>UnitRoots.cdy</title>
    <link>http://blog.cinderella.de/archives/120-UnitRoots.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/120-UnitRoots.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=120</wfw:comment>

    <slash:comments>0</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 680
        height   = 350&gt;
&lt;param name=kernelID value=&quot;1179301456930&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1179302253619.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;-1&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;71.96061845011515&quot;&gt;
&lt;param  name=originx value=&quot;369&quot;&gt;
&lt;param  name=originy value= &quot;196&quot;&gt;
&lt;param  name=deltafactor value= &quot;-1&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;true&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Computing the k-th unit roots. 
    </content:encoded>

    <pubDate>Wed, 16 May 2007 09:57:33 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/120-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>TaylorSine.cdy</title>
    <link>http://blog.cinderella.de/archives/119-TaylorSine.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/119-TaylorSine.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=119</wfw:comment>

    <slash:comments>0</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 787
        height   = 460&gt;
&lt;param name=kernelID value=&quot;1179127728799&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1179127961533.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;25.0&quot;&gt;
&lt;param  name=originx value=&quot;30&quot;&gt;
&lt;param  name=originy value= &quot;241&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;false&quot;&gt;
&lt;param  name=axes value=&quot;false&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Taylor series of the function sin(x).&lt;br /&gt;
You can move point A and watch how&lt;br /&gt;
the series approximates the function. 
    </content:encoded>

    <pubDate>Mon, 14 May 2007 09:32:41 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/119-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>ComplexPolynomial.cdy</title>
    <link>http://blog.cinderella.de/archives/118-ComplexPolynomial.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/118-ComplexPolynomial.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=118</wfw:comment>

    <slash:comments>0</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 684
        height   = 383&gt;
&lt;param name=kernelID value=&quot;1179071936239&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1179072030209.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;42.06730769230769&quot;&gt;
&lt;param  name=originx value=&quot;218&quot;&gt;
&lt;param  name=originy value= &quot;245&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;false&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;true&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Image of a circle under a function. 
    </content:encoded>

    <pubDate>Sun, 13 May 2007 18:00:30 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/118-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>Fundamentalsatz.cdy</title>
    <link>http://blog.cinderella.de/archives/117-Fundamentalsatz.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/117-Fundamentalsatz.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=117</wfw:comment>

    <slash:comments>0</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 710
        height   = 494&gt;
&lt;param name=kernelID value=&quot;1179070729021&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1179071749670.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;-1&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;68.6&quot;&gt;
&lt;param  name=originx value=&quot;356&quot;&gt;
&lt;param  name=originy value= &quot;285&quot;&gt;
&lt;param  name=deltafactor value= &quot;-1&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;true&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Applet for online explanation of the fundamental theorem of algebra.&lt;br /&gt;
&lt;br /&gt;
 
    </content:encoded>

    <pubDate>Sun, 13 May 2007 17:55:49 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/117-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>ComplexFunction.cdy</title>
    <link>http://blog.cinderella.de/archives/116-ComplexFunction.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/116-ComplexFunction.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=116</wfw:comment>

    <slash:comments>0</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 710
        height   = 494&gt;
&lt;param name=kernelID value=&quot;1178836726431&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1178837788828.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;-1&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;68.6&quot;&gt;
&lt;param  name=originx value=&quot;336&quot;&gt;
&lt;param  name=originy value= &quot;262&quot;&gt;
&lt;param  name=deltafactor value= &quot;-1&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
An applet for experimenting with complex functions. 
    </content:encoded>

    <pubDate>Fri, 11 May 2007 00:56:28 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/116-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>Z2Grid.cdy</title>
    <link>http://blog.cinderella.de/archives/114-Z2Grid.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/114-Z2Grid.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=114</wfw:comment>

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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 392
        height   = 317&gt;
&lt;param name=kernelID value=&quot;1177596125139&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1177596652978.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;49.0&quot;&gt;
&lt;param  name=originx value=&quot;134&quot;&gt;
&lt;param  name=originy value= &quot;191&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;true&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Gitter von Punkten aus welches von 2 Vektoren a und b erzeugt wird.&lt;br /&gt;
Das Gitter umfassst alle Punkte die sich als n*a+m*b schreiben lassen,&lt;br /&gt;
wobei n und m ganze Zahlen sind. Das entstehende Gitter ist isomorph &lt;br /&gt;
zur additiven Gruppe Z&lt;sup&gt;2&lt;/sup&gt; (sofern a,b und der Nullpunkt &lt;br /&gt;
nicht auf einer gemeinsamen Geraden liegen).&lt;br /&gt;
&lt;br /&gt;
Die hellroten Punkte sind bewegbar. 
    </content:encoded>

    <pubDate>Thu, 26 Apr 2007 16:10:52 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/114-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>CubicSpline.cdy</title>
    <link>http://blog.cinderella.de/archives/110-CubicSpline.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/110-CubicSpline.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=110</wfw:comment>

    <slash:comments>1</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 474
        height   = 358&gt;
&lt;param name=kernelID value=&quot;1177154150938&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1177155071007.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;0&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;-1&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;71.9707651814251&quot;&gt;
&lt;param  name=originx value=&quot;33&quot;&gt;
&lt;param  name=originy value= &quot;293&quot;&gt;
&lt;param  name=deltafactor value= &quot;-1&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;true&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Berechnung eines Kubischen Splines durch Lösung eines linearen Gleichungssystems.&lt;br /&gt;
Alle Punkte können bewegt werden. Der Übergang an den zwei inneren Punkte ist sogar krümmungsstetig,&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Das zugehörige Programm ist:&lt;br /&gt;
&lt;br /&gt;
&lt;tt&gt;&lt;br /&gt;
&lt;verbatim&gt;&lt;br /&gt;
A.x=1;&lt;br /&gt;
B.x=2;&lt;br /&gt;
C.x=3;&lt;br /&gt;
D.x=4;&lt;br /&gt;
&lt;br /&gt;
h1=(E-A).y/(E-A).x;&lt;br /&gt;
h2=(F-D).y/(F-D).x;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
m=[&lt;br /&gt;
  [1,1,1,1,0,0,0,0,0,0,0,0],&lt;br /&gt;
  [8,4,2,1,0,0,0,0,0,0,0,0],&lt;br /&gt;
  [0,0,0,0,8,4,2,1,0,0,0,0], &lt;br /&gt;
  [0,0,0,0,27,9,3,1,0,0,0,0],&lt;br /&gt;
  [0,0,0,0,0,0,0,0,27,9,3,1],&lt;br /&gt;
  [0,0,0,0,0,0,0,0,64,16,4,1],&lt;br /&gt;
  [3,2,1,0,0,0,0,0,0,0,0,0],&lt;br /&gt;
  [12,4,1,0,-12,-4,-1,0,0,0,0,0],&lt;br /&gt;
  [0,0,0,0,27,6,1,0,-27,-6,-1,0], &lt;br /&gt;
  [0,0,0,0,0,0,0,0,48,8,1,0],&lt;br /&gt;
  [12,2,0,0,-12,-2,0,0,0,0,0,0],&lt;br /&gt;
  [0,0,0,0,18,2,0,0,-18,-2,0,0]&lt;br /&gt;
];&lt;br /&gt;
&lt;br /&gt;
v=[A.y,B.y,B.y,C.y,C.y,D.y,h1,0,0,h2,0,0];&lt;br /&gt;
a=Linearsolve[m,v];&lt;br /&gt;
&lt;br /&gt;
plot[x^3*a_1+x^2*a_2+x*a_3+a_4,start-&gt;1,stop-&gt;2];&lt;br /&gt;
plot[x^3*a_5+x^2*a_6+x*a_7+a_8,start-&gt;2,stop-&gt;3];&lt;br /&gt;
plot[x^3*a_9+x^2*a_10+x*a_11+a_12,start-&gt;3,stop-&gt;4];&lt;br /&gt;
&lt;br /&gt;
&lt;/verbatim&gt;&lt;br /&gt;
&lt;/tt&gt;&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
 
    </content:encoded>

    <pubDate>Sat, 21 Apr 2007 13:31:11 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/110-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>Incircle.cdy</title>
    <link>http://blog.cinderella.de/archives/109-Incircle.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/109-Incircle.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=109</wfw:comment>

    <slash:comments>0</slash:comments>
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    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 680
        height   = 350&gt;
&lt;param name=kernelID value=&quot;1177082223249&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1177082454169.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;0&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;25.0&quot;&gt;
&lt;param  name=originx value=&quot;226&quot;&gt;
&lt;param  name=originy value= &quot;233&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;false&quot;&gt;
&lt;param  name=axes value=&quot;false&quot;&gt;
&lt;param  name=snap value=&quot;false&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
&lt;br /&gt;
&quot;Inkreis&quot; Prädikat durch Auswerten einer Determinante.&lt;br /&gt;
Verlaufen A,B,C gegen den Uhrzeigersinn auf dem Kreis, so ist das Vorzeichen der Determinante positiv&lt;br /&gt;
wenn Punkt D im Inneren liegt. Verlaufen A,B,C im Uhrzeigersinn, so ist das Vorzeichen positiv wenn D aussen liegt. &lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
 
    </content:encoded>

    <pubDate>Fri, 20 Apr 2007 17:20:54 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/109-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>
<item>
    <title>TensionDemo2.cdy</title>
    <link>http://blog.cinderella.de/archives/108-TensionDemo2.cdy.html</link>
            <category>Lineare Algebra</category>
    
    <comments>http://blog.cinderella.de/archives/108-TensionDemo2.cdy.html#comments</comments>
    <wfw:comment>http://blog.cinderella.de/wfwcomment.php?cid=108</wfw:comment>

    <slash:comments>0</slash:comments>
    <wfw:commentRss>http://blog.cinderella.de/rss.php?version=2.0&amp;type=comments&amp;cid=108</wfw:commentRss>
    

    <author>richter@cinderella.de (Jürgen Richter-Gebert)</author>
    <content:encoded>
    &lt;applet code     = &quot;de.cinderella.CindyApplet&quot;
        archive = &quot;/cindyrun.jar&quot;
        codebase = &quot;/uploads&quot;
        width    = 680
        height   = 350&gt;
&lt;param name=kernelID value=&quot;1176231695612&quot;&gt;
&lt;param name=viewport value=&quot;de.cinderella.ports.EuclideanPort&quot;&gt;
&lt;param name=filename value=&quot;PPP-1176234672735.cdy&quot;&gt;
&lt;param name=polar value= &quot;false&quot;&gt;
&lt;param name=&quot;imagescalemode&quot; value=&quot;scalemode.center&quot;&gt;
&lt;param name=&quot;imagealpha&quot; value=&quot;1.0&quot;&gt;
&lt;param name=&quot;backgroundimage&quot; value=&quot;0&quot;&gt;
&lt;param name=&quot;show.adjacencymatrix&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;precision.measure&quot; value=&quot;precision.4&quot;&gt;
&lt;param name=&quot;precision.measure.int&quot; value=&quot;4&quot;&gt;
&lt;param name=&quot;precision.angle&quot; value=&quot;precision.1&quot;&gt;
&lt;param name=&quot;precision.angle.int&quot; value=&quot;1&quot;&gt;
&lt;param name=&quot;anglemodulo&quot; value=&quot;modulo.0&quot;&gt;
&lt;param name=&quot;printscale&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;printscale.int&quot; value=&quot;1:1&quot;&gt;
&lt;param name=&quot;darkenDependent&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.rectangular&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.triangular&quot; value=&quot;false&quot;&gt;
&lt;param name=&quot;axes.show&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;snap&quot; value=&quot;true&quot;&gt;
&lt;param name=&quot;mesh.density&quot; value=&quot;0&quot;&gt;
&lt;param name=doublebuffer value= &quot;true&quot;&gt;
&lt;param name=cinderella.antialias value= &quot;true&quot;&gt;
&lt;param  name=scale value=&quot;54.824561403508774&quot;&gt;
&lt;param  name=originx value=&quot;44&quot;&gt;
&lt;param  name=originy value= &quot;265&quot;&gt;
&lt;param  name=deltafactor value= &quot;0&quot;&gt;
&lt;param  name=mesh value=&quot;true&quot;&gt;
&lt;param  name=axes value=&quot;true&quot;&gt;
&lt;param  name=snap value=&quot;true&quot;&gt;
Bitte schalten Sie Java ein, um eine Cinderella-Konstruktion zu sehen.
&lt;/applet&gt;&lt;br /&gt;
Calculating the equilibrium of a spring network. 
    </content:encoded>

    <pubDate>Tue, 10 Apr 2007 21:51:12 +0200</pubDate>
    <guid isPermaLink="false">http://blog.cinderella.de/archives/108-guid.html</guid>
    <creativeCommons:license>http://creativecommons.org/licenses/by-nc-sa/3.0/</creativeCommons:license>
</item>

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