SURFIT
版本 1.0.0.0 (569 字节) 作者:
Vassili Pastushenko
Approximation of a matrix via an optimal bipolynomial of user-defined orders.
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更新时间
2004/11/18
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You have a data matrix D. You want to find its approximation, matrix SUR same size as D, by a bipolynomial P(X,Y), having orders ORDHOR in horizontal and ORDVER in vertical directions. Bipolynomial is a matrix of coefficients before bipolynomial terms X^(m)*Y(n),
n<=ORDVER
m<=ORDHOR
Solution:
SUR = surfit(D,ORDVER,ORDHOR);
ORDVER: default 1
ORDHOR: default ORDVER
compare the result with:
BIP=bipfit(D,[ORDVER,ORDHOR])
SUR=bipval(BIP,size(D));
引用格式
Vassili Pastushenko (2024). SURFIT (https://www.mathworks.com/matlabcentral/fileexchange/6244-surfit), MATLAB Central File Exchange. 检索来源 .
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