Moreno, M. (2023). Fast Polynomial Curve and Surface Fitting (https://www.mathworks.com/matlabcentral/fileexchange/113045-fast-polynomial-curve-and-surface-fitting), MATLAB Central File Exchange. Retrieved .
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Faster residual check without pcval or psval at the cost of no Vandermonde matrix destruction. Replacement of nested linear indices to avoid declaring new variables via destruction.
Optimisation of the surface fitting algorithm and correction of the function description text.
Commented demo codes and addition of the calculation of the absolute fitting error. Faster surface coefficient matrix's non-zero element count via triangular numbers.