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For questions on the Hilbert function and Hilbert polynomial of graded algebras over fields.

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Hilbert transform of a signal to measure skewness and asymmetry of a sinusoidal wave

Thank you for taking the time to read this. I was hoping to get some assistance in understanding how these equations function: $$As=\frac{\langle H(\eta)^3\rangle}{\langle\eta^2\rangle^{3/2}},\qquad …