Partial

Partial Fraction Expansion for Inverse Fourier Transform

Partial Fraction Expansion for Inverse Fourier Transform
  1. How do you do partial fraction expansion?
  2. What is the formula for inverse discrete Fourier transform?

How do you do partial fraction expansion?

A Simple Partial Fraction Expansion

To find A1, multiply F(s) by s, and then set s=0. To find A2, multiply F(s) by s+2 and set s=-2. The result can be simply checked by putting all of the expanded terms over a common denominator.

What is the formula for inverse discrete Fourier transform?

The IDFT is defined as(11.4. 2)an≡1N∑m=1NAme2πin−1m−1N≡IDFTAmnfor n=1 to N.

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