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solve the following series on Matlab :)

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Khaled
Khaled 2012-10-17
Hi all,
I want program that do the following:
x(t) = 0.5+2\n *(cos -1\3*cos 3t +1\5 cos 5 t - 1\7 * cos 7t)
1. the program must give the first tow terms . 2. the program must plot the first five terms. 3. t value between 10 and -10
My Email address : khm_ccc@yahoo.com
Thank you :) Khaled

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回答（1 个）

venkat vasu
venkat vasu 2012-10-17
Hi...
This code may help you and i took n=5;
%x(t) = 0.5+2\n (cos -1\3*cos 3t +1\5 cos 5 t - 1\7 * cos 7t); t=-10:10; n=5; for i=1:length(t) x= 0.5+(2\n); x1=cos(-1\3)(cos(3*t(i))); x2=(1\5)*(cos(5*t(i))); x3=((1\7)*cos(7*t(i))); xf(i)=x*x1+x2-x3; end
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José-Luis
José-Luis 2012-10-17
编辑：José-Luis 2012-10-17
Please don't answer homework questions directly.

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