Fourier Series of a Input Signal / Single Point?

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Alejandro Urbina 2016-4-28

im trying to build a input signal using fourier series.

this is my code

tttf=sum(ttspect.*exp(1i.*ttfreqs.*tttime));
plot(tttime,tttf)

where ttspect(1x1001 complex doble) is ck terms , ttfreqs (1x1001) are equal to k*wo and tttime (1x1001)is equal to t.

FourierSeries=sum(ck*e^(i*k*wo*t))

when i define tttf it appears to become a single point in the instead of the series.how can i make this plot?

what im doing wrong?

any help will be appreciated

thank you

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