Skip to contents

Apply a computed warping to a companion signal

Source: R/align-elastic.R
warpApply.Rd

Carries a warping computed by elasticAlign() onto another channel or modality (e.g. warp an EMG envelope by the diffeomorphism that aligns the EEG).

Usage

warpApply(signal, gamma, t = NULL)

Arguments

signal

Numeric signal to warp (same length as the warping grid).

gamma

A warping from elasticAlign().

t

Optional grid (defaults to 0..1).

Value

The warped signal.

See also

elasticAlign()

Examples

t <- seq(0, 1, length.out = 50)
warpApply(sin(2 * pi * t), gamma = t^1.5, t = t)[1:3]
#> [1] 0.00000000 0.01826817 0.05167018