iDST2

InverseSineTransformMatrix_DST2 Inverse of forward DST-II matrix.

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Declaration

 matrix = iDST2(N)

Parameters

• N input argument N

Returns

• matrix output value matrix

Discussion

InverseSineTransformMatrix_DST2 Inverse of forward DST-II matrix This inverts SineTransformForwardMatrix_DST2 when the forward uses the 2/N scaling above (with no endpoint tweaks). Implementation: DST-III with the LAST column halved (k = N).