How do I graph a summation over an interval?
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I have to plot this on the interval x E [-1,1] and x E [-0.1,0.1] for N=10. Can anyone help? I've tried symsum, but it doesn't work.
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Matt J
il 21 Set 2022
n=(0:10).';
fcn=@(x)sum( (2/3).^n .* cos(9.^n.*(pi.*x)) );
fplot(fcn,[-1,1]/10)
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