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polyfitweighted 1.0

  Date Added: August 29, 2013  |  Visits: 218

polyfitweighted

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Like polyfit.m but includes weighting of each data point.Summary----------------Find a least-squares fit of 1D data y(x) with an nth order polynomial, weighted by w(x).Usage-----P = polyfitweighted(X,Y,N,W) finds the coefficients of a polynomial P(X) of degree N that fits the data Y best in a least-squares sense. P is a row vector of length N+1 containing the polynomial coefficients in descending powers, P(1)*X^N + P(2)*X^(N-1) +...+ P(N)*X + P(N+1). W is a vector of weights. Vectors X,Y,W must be the same length.Class support for inputs X,Y,W: float: double, single

Requirements: No special requirements
Platforms: Matlab
Keyword: Descending Double Float Includes Inputs Leastsquares Length Lengthclass Order P2xn1 Pn2b1 Pointsummaryfind Polynomial Powers Single Support Vector Vectors Weights
Users rating: 0/10

License: Freeware Size: 10 KB
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