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Inverse of a Fourier matrix

Posted 8 years ago

I am trying to find the inverse of a Fourier Matrix but am getting confusing results. Inverse[R].R instead of giving the identity matrix, is giving me this(pic below). When I try for even order ones, it is working as expected(giving me the identity) but odd ones are giving me this result. Can someone please tell me what I am missing? enter image description here PS. I am working on the RaspberryPi

POSTED BY: Ananda Suresh
Posted 8 years ago

Simplify[Inverse[R].R]

POSTED BY: Bill Simpson
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