Definition
Formally, the discrete sine transform is a linear, invertible function F : RN -> RN (where R denotes the set of real numbers), or equivalently an N × N square matrix. There are several variants of the DST with slightly modified definitions. The N real numbers x0, ...., xN-1 are transformed into the N real numbers X0, ..., XN-1 according to one of the formulas:
Read more about this topic: Discrete Sine Transform
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—William James (1842–1910)
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“Was man made stupid to see his own stupidity?
Is God by definition indifferent, beyond us all?
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—Richard Eberhart (b. 1904)