Mixed polynomial and trig approximations

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Approximates continuous functions in 1 to 4 independent variables by finite power and/or trigonometric series. The program fits the function exactly at the grid points.

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Mixed Poly/Trig Approximations (Table)

Approximates tabulated functions in 1 to 4 independent variables by finite power and/or trigonometric series. The program fits the function exactly at the grid points.