How to find a fourier inverse transform using MATLAB Program
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Hello, I need help in writing a MATLAB program to find the inverse fourier tansform as it involves integration from the limits 0 to infinity !
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Wayne King
2013년 12월 8일
편집: Wayne King
2013년 12월 8일
If you have the symbolic toolbox use ifourier() and multiply your function by the Heaviside function to give you an integration for [0 \infty)
syms t v
ifourier(exp(-v)*heaviside(v),v)
Keep in mind the convention used here for the Fourier and inverse pair.
The Fourier transform is
X(\omega) = \int_{-\infty}^{\infty} x(t) e^{-i \omega t} dt
and the inverse is
x(t) = \dfrac{1}{2\pi} \int_{-\infty}^{\infty} X(\omega) e^{i\omega t} d\omega
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