FourierDCTMatrix

FourierDCTMatrix(n)

gives a discrete cosine transform matrix with the dimension (n,n) and method DCT-2

FourierDCTMatrix(n, methodNumber)

gives a discrete cosine transform matrix with the dimension (n,n) and method DCT-methodNumber

See

• Wikipedia - Discrete cosine transform

Examples

>> FourierDCTMatrix(3, 1)
{{1/2,1/2,1/2},
 {1,0,-1},
 {1/2,-1/2,1/2}}

Implementation status

• ☑ - partially implemented

Github

• Implementation of FourierDCTMatrix