A polynomial function of the elements of a vector can be uniquely decomposed into a sum of harmonic polynomials times powers of .
Harmonic Decomposition
See also
Harmonic FunctionExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Harmonic Decomposition." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/HarmonicDecomposition.html