NMath User's Guide

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31.1 Creating PolynomialLeastSquares (.NET, C#, CSharp, VB, Visual Basic, F#)

A PolynomialLeastSquares is constructed from paired vectors of known x- and y-values, and the desired degree of the fitted polynomial. For example, this code fits a cubic:

Code Example – C# polynomial fit

int degree = 4;
var fit = new PolynomialLeastSquares( degree, x, y );

Code Example – VB polynomial fit

Dim Degree = 4
Dim Fit As New PolynomialLeastSquares(Degree, X, Y)