Answer to Question #3620 in MatLAB | Mathematica | MathCAD | Maple for nasir

Question #3620
Hi,sorry for my bad english; Let f[x_]=x^2 I want to integrate numerically this function,by Trapezoidal approach on interval[0,10] and my solution is like this xold=0;h=0.01;xnew=h;sumution=0;While[xnew<10,sumution=sumution+h/2*(f[xold]+f[xnew]); xold=xnew;xnew=xnew+h];Print[sumution] This code gives me alist of datas and I want to plot this datas versus x;how can I do this?plz help me
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Expert's answer
2011-07-20T12:29:05-0400
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