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DCT Basis

Source: R/dct.R
dct_basis.Rd

The Discrete Cosine Transform basis functions

Usage

dct_basis(n, k)

Arguments

n

The length of the basis.

k

The number of basis functions.

Value

A \(n\times k\) matrix

Details

This function will generate the DCT basis functions.

Examples

basis <- dct_basis(100, 5)
matplot(basis, type = "l", lty = 1)