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## Homework Statement

I need to find the Fourier Transform of g(t) using matlab,

[tex]g(t) = tri(\frac{t}{2\pi })Cos(2\pi (\frac{5}{\pi })t)[/tex]

## Homework Equations

How can this be done accurately since you need 't' to be from -infinity to +infinity?

And how can you input a tri function in matlab?

## The Attempt at a Solution

I tried using y=trimf(t,[3 6 8]); but when I multiply the trimf function and the cos function it says the matrices must have the same dimensions.

Thanks for your help.