(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Hi, I hope someone could help me, I have been trying to solve this problem with FFT in matlab, why?, because my teacher gave it as homework. The problem is the following.

Obtain the value of the following integer using FFT:

2. Relevant equations

the integer goes from [-infinte, infinite], and the function is x^2*exp(-x^2)*dx

3. The attempt at a solution

I checked the definition of the fourier transform and I checked in books, matlab everywhere and I cant find any info that could help me, I hope someone here can, THANK YOU.

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# Solving an integer with FFT in matlab

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