I believe R has ifft function, but whenever I enter ?ifft it returns this message:

No documentation for ‘ifft’ in specified packages and libraries:
you could try ‘??ifft’

What is the package for ifft?

CodePudding user response：

Try signal library. For further information you may use this resource: https://www.rdocumentation.org/packages/signal/versions/0.7-6/topics/ifft