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<Text-field style="Text" layout="Normal" alignment="centred"><Font bold="true" encoding="UTF-8" foreground="[0,204,0]" size="36">0. Bref aper\303\247u</Font></Text-field>
<Text-field style="Text" layout="Normal"></Text-field>
<Text-field style="Text" size="16" layout="Normal"><Font bold="true" italic="true" size="16">Maple</Font><Font encoding="UTF-8" italic="true" size="16"> (qui signifie \303\251rable en anglais) est un logiciel de </Font><Font bold="true" italic="true" size="16">calcul </Font><Font italic="true" size="16">et de <Font bold="true">programmation</Font> <Font encoding="UTF-8">d\303\251velopp\303\251 par l'universit\303\251 de Waterloo (Canada). Il est destin\303\251 aux \303\251tudiants, enseignants, techniciens, ing\303\251nieurs et scientifiques. Il propose trois types de calculs <Font bold="true">compl\303\251mentaires </Font></Font>:

1) <Font underline="true">Le calcul <Font bold="true">symbolique</Font> :</Font><Font encoding="UTF-8"> Maple peut r\303\251aliser tous les calculs pour lesquels nous avons un algorithme : d\303\251rivation, int\303\251gration de certaines fonctions, r\303\251solution de syst\303\250mes d\342\200\231\303\251quations lin\303\251aires, r\303\251solution de certaines \303\251quations diff\303\251rentielles... </Font></Font><Font size="16">
</Font></Text-field>
<Text-field style="Text" size="16" layout="Normal"><Font italic="true" size="16">2) <Font underline="true">Le calcul <Font bold="true">n<Font encoding="UTF-8">um\303\251rique :</Font></Font></Font><Font bold="true"> </Font><Font encoding="UTF-8">Maple peut \303\251valuer des int\303\251grales, des sommes, chercher des solutions approch\303\251es d'une \303\251quation... </Font>

3) <Font underline="true">Le calcul<Font bold="true"> graphique :</Font></Font><Font bold="true"> </Font>Maple <Font encoding="UTF-8">permet d\342\200\231obtenir des repr\303\251sentations de courbes en 2D et 3D, des surfaces...</Font></Font><Font size="16">
</Font></Text-field>
<Text-field style="Text" size="16" layout="Normal"><Font encoding="UTF-8" italic="true" size="16">Avec Maple, l'exploration d'un probl\303\250me peut donc se faire de fa\303\247on th\303\251orique et/ou \303\240 l'aide d'une exp\303\251rimentation avec des formules ou des graphiques.</Font></Text-field>
<Text-field style="Text" size="16" layout="Normal"><Font italic="true" size="16">
Maple<Font encoding="UTF-8"> est livr\303\251 avec un <Font bold="true">syst\303\250me d\342\200\231aide tr\303\250s complet </Font>(syntaxe accompagn\303\251e de nombreux exemples)</Font><Font bold="true">. </Font>Pour une prise en main rapide<Font bold="true">, </Font>il est <Font bold="true">essentiel </Font>de savoir utiliser cette aide. <Font font_style_name="_cstyle2" superscript="false" placeholder="false" executable="false" selection-placeholder="false" bold="false" style="_cstyle2" subscript="false" family="Times New Roman" opaque="false" background="[0,0,0]" underline="false" encoding="UTF-8" readonly="false" foreground="[0,0,0]">On acc\303\250de \303\240 l'aide sur la commande \302\253 X \302\273 en tapant &quot;?X&quot;</Font></Font></Text-field>
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<Text-field style="_pstyle2" font_style_name="_pstyle2" superscript="false" placeholder="false" executable="false" selection-placeholder="false" italic="false" size="12" bold="false" subscript="false" family="Times New Roman" opaque="false" underline="false" background="[255,255,255]" readonly="false" foreground="[0,0,0]" layout="_pstyle2" alignment="left" firstindent="0" spacebelow="0" linebreak="space" rightmargin="0" bulletsuffix="" pagebreak-before="false" leftmargin="0" linespacing="0.0" initial="0" layout_style_name="_pstyle2" spaceabove="0" bullet="none"><Font encoding="UTF-8">Et si on commen\303\247ait par l'aide ?</Font></Text-field>
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<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">?help;</Text-field>
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">?solve;</Text-field>
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<Input>
<Text-field style="_pstyle2" font_style_name="_pstyle2" superscript="false" placeholder="false" executable="false" selection-placeholder="false" italic="false" size="12" bold="false" subscript="false" family="Times New Roman" opaque="false" underline="false" background="[255,255,255]" readonly="false" foreground="[0,0,0]" layout="_pstyle2" alignment="left" firstindent="0" spacebelow="0" linebreak="space" rightmargin="0" bulletsuffix="" pagebreak-before="false" leftmargin="0" linespacing="0.0" initial="0" layout_style_name="_pstyle2" spaceabove="0" bullet="none"><Font encoding="UTF-8">Les lignes doivent imp\303\251rativement se terminer par un point-virgule ; ou par deux points :</Font></Text-field>
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Sin(Pi/2)=sin(Pi/2);</Text-field>
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">sin(Pi/2):</Text-field>
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<Input>
<Text-field style="Text" layout="Normal"></Text-field>
<Text-field style="Text" layout="Normal"><Font bold="true" foreground="[0,102,102]" size="18">1. Exemples de calcul symbolique (exact)</Font></Text-field>
<Text-field style="Text" layout="Normal"></Text-field>
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">(1-1/7)*(1+2/3)^2;</Text-field>
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<Group labelreference="L6">
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">n:=15!; # ou factorial(15);</Text-field>
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<Group labelreference="L7">
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<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On factorise maintenant l\342\200\231entier n :</Font></Text-field>
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<Group labelreference="L8">
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">ifactor(n);isprime(n);</Text-field>
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<Group labelreference="L9">
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">s:=(a+b)^6;</Text-field>
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<Group labelreference="L10">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On d\303\251veloppe s :</Font></Text-field>
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<Group labelreference="L11">
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">expand(s);</Text-field>
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<Group labelreference="L12">
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<Text-field style="Text" layout="Normal">On calcule une somme de rationnels :</Text-field>
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Sum((-1)^k/k,k=1..100)=sum((-1)^k/k,k=1..100);</Text-field>
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<Group labelreference="L15">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On \303\251crit un nombre complexe sous forme alg\303\251brique puis trigonom\303\251trique :</Font></Text-field>
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<Group labelreference="L16">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">z:=(-4/(1+sqrt(3)*I));</Text-field>
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">evalc(z);Re(z),Im(z);polar(z);</Text-field>
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<Group labelreference="L18">
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<Text-field style="Text" layout="Normal">On construit maintenant une expression f de la variable t :</Text-field>
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<Group labelreference="L19">
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<Text-field prompt="&gt; " style="Maple Input" layout="Normal">f:=sin(t)-t;</Text-field>
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<Group labelreference="L20">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On d\303\251rive puis on trouve une primitive :</Font></Text-field>
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<Group labelreference="L21">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Diff(f,t)=diff(f,t);</Text-field>
</Input>
</Group>
<Group labelreference="L22">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Int(f,t)=int(f,t);</Text-field>
</Input>
</Group>
<Group labelreference="L23">
<Input>
<Text-field style="Text" layout="Normal">On calcule des limites :</Text-field>
</Input>
</Group>
<Group labelreference="L24">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Limit(f/t^3,t=0)=limit(f/t^3,t=0);</Text-field>
</Input>
</Group>
<Group labelreference="L25">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Limit(f/t,t=infinity)=limit(f/t,t=infinity);</Text-field>
</Input>
</Group>
<Group labelreference="L29">
<Input>
<Text-field style="Text" layout="Normal">On calcule le Laplacien d'une fonction deux variables :</Text-field>
</Input>
</Group>
<Group labelreference="L30">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">rho:=sqrt(x^2+y^2);</Text-field>
</Input>
</Group>
<Group labelreference="L31">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">Delta:=diff(rho,x$2)+diff(rho,y$2);</Text-field>
</Input>
</Group>
<Group labelreference="L32">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">puis on simplifie le r\303\251sultat :</Font></Text-field>
</Input>
</Group>
<Group labelreference="L33">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">simplify(%);</Text-field>
</Input>
</Group>
<Group labelreference="L50">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On r\303\251sout maintenant une \303\251quation, un syst\303\250me d'\303\251quations puis une \303\251quation diff\303\251rentielle</Font> :</Text-field>
</Input>
</Group>
<Group labelreference="L49">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">solve(x^2-17*x+22=0,x);</Text-field>
</Input>
</Group>
<Group labelreference="L67">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">solve({x^2+5*y=6,2*x+3*y=5},{x,y});</Text-field>
</Input>
</Group>
<Group labelreference="L79">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">dsolve(diff(g(t),t)+2*g(t)=0,g(t));</Text-field>
</Input>
</Group>
<Group labelreference="L77">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">dsolve(diff(g(t),t)+2*g(t)=sin(t),g(t));</Text-field>
</Input>
</Group>
<Group labelreference="L76">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">dsolve({diff(g(t),t)+2*g(t)=sin(t),g(0)=1},{g(t)});</Text-field>
</Input>
</Group>
<Group labelreference="L34">
<Input>
<Text-field style="Text" layout="Normal"></Text-field>
<Text-field style="Text" layout="Normal"><Font bold="true" encoding="UTF-8" foreground="[0,102,102]" size="18">2. Exemples de calcul num\303\251rique (approch\303\251)</Font></Text-field>
<Text-field style="Text" layout="Normal"></Text-field>
</Input>
</Group>
<Group labelreference="L35">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On \303\251value les 30 premi\303\250res d\303\251cimales du nombre exp(Pi) :</Font></Text-field>
</Input>
</Group>
<Group labelreference="L36">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">evalf(exp(Pi),30);</Text-field>
</Input>
</Group>
<Group labelreference="L37">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On r\303\251sout num\303\251riquement l'\303\251quation cos(x)=x :</Font></Text-field>
</Input>
</Group>
<Group labelreference="L38">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">fsolve(cos(x)=x,x);</Text-field>
</Input>
</Group>
<Group labelreference="L39">
<Input>
<Text-field style="Text" layout="Normal"></Text-field>
<Text-field style="Text" layout="Normal"><Font bold="true" encoding="UTF-8" foreground="[0,102,102]" size="18">3. Exemples de repr\303\251sentation graphique</Font></Text-field>
<Text-field style="Text" layout="Normal"></Text-field>
</Input>
</Group>
<Group labelreference="L40">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On repr\303\251sente graphiquement la fonction t-&gt;f/t :</Font></Text-field>
</Input>
</Group>
<Group labelreference="L41">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">plot(f/t,t=-20..20);</Text-field>
</Input>
</Group>
<Group labelreference="L42">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On trace simultan\303\251ment plusieurs courbes :</Font></Text-field>
</Input>
</Group>
<Group labelreference="L52">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">plot([cos(2*t)+sin(t),f/t],t=-4..4,color=[blue,red]);</Text-field>
</Input>
</Group>
<Group labelreference="L54">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">plot([seq(cos(2*k*t)+sin(k*t),k=1..4),f/t],t=-4..4);</Text-field>
</Input>
</Group>
<Group labelreference="L44">
<Input>
<Text-field style="Text" layout="Normal">Puis un nuage de points :</Text-field>
</Input>
</Group>
<Group labelreference="L45">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">L:=[seq([k,k^2+ln(k^2)-1],k=1..5),[5,50],[10,10],[2,20]]; plot(L,style=point);</Text-field>
</Input>
</Group>
<Group labelreference="L46">
<Input>
<Text-field style="Text" layout="Normal"><Font encoding="UTF-8">On repr\303\251sente des surfaces :</Font></Text-field>
</Input>
</Group>
<Group labelreference="L47">
<Input>
<Text-field prompt="&gt; " style="Maple Input" layout="Normal">plot3d(x*exp(-x^2-y^2),x=-2..2,y=-2..2,color=x,axes=normal,orientation=[120,75]);</Text-field>
</Input>
</Group>
</Worksheet>