Create a plot with a function in a loop?

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Julien B
Julien B 2015-11-25
编辑： Julien B 2015-11-25
Hi,
here is my code:
E = zeros(1,10);
Ith = 100
for k = 1:1:10
N=2^k ;
I = 0;
for i=1:1:N
I = I + h*f(((xmin+i*h)+(xmin+(i-1)*h))/2);
end
E(k) = (I - Ith)/Ith;
plot (k, E(k))
end
I don't find out how create a plot with E(k) in terms of k, for k=1 to 10 in just one plot, so 10 points as the result. Thanks

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Ingrid
Ingrid 2015-11-25
you have to use the hold on command such that you are adding with plot to the current figure without overwriting your previous plots
figure
hold on

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