ifs SciMax Toolbox igeodesic_coords

SciMax Toolbox >> ift

ift

Maxima Function

Calling Sequence

ift (real_array, imaginary_array)

Description

Fast inverse discrete Fourier transform. load ("fft") loads this function into Maxima.

ift carries out the inverse complex fast Fourier transform on 1-dimensional floating point arrays. The inverse transform is defined as

x[j]: sum (y[j] exp (+2 %i %pi j k / n), k, 0, n-1)

See for more details.

ifs SciMax Toolbox igeodesic_coords