Apply FFT to each column of a complex matrix, reusing a single FFT instance for all columns to avoid repeated instantiation overhead. All columns must have the same length (all rows must have the same number of columns).
complex matrix with re and im arrays of Float64Array rows
options
complex matrix with transformed columns
Apply FFT to each column of a complex matrix, reusing a single FFT instance for all columns to avoid repeated instantiation overhead. All columns must have the same length (all rows must have the same number of columns).