xcms (version 1.48.0)

filtfft: Apply an convolution filter using an FFT

Description

Expands a vector to the length of the filter and then convolutes it using two successive FFTs.

Usage

filtfft(y, filt)

Arguments

y

numeric vector of data to be filtered

filt

filter with length nextn(length(y))

Value

A numeric vector the same length as y.