function?A=leftmatrix（xpyq）
%?A*a=B??a?即為系數列矩陣??
%?A為左邊（p-1）（q-1）?乘?（p-1）（q-1）?的矩陣
%?xy?為長度一樣的列矩陣?也就是給定離散點的xy坐標
%?pq為擬合的函數中xy的指數

m=length（x）;
if?（nargin~=4）?&?（m~=length（y））
????error（‘error?check?check!‘）;
end

A_length=p*q;????????????????????????%?A?為p*q階的方陣
A=zeros（A_lengthA_length）;??????????%?賦值0
for?i=1?:?p*q
????for?j=?1?:?p*q
????????x_z=quotient（j-1q）+quotient（i-1q）;?????%?x?的指數???quotient為求商
????????y_z=mod（j-1q）+mod（i-1q）;????????????%?y?的指數
????????A（ij）=qiuhe（xx_zyy_z）;????????????
????end
end
????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????目錄??????????0??2004-04-16?16:59??3d_fitting

?????文件????????439??2004-04-20?13:38??3d_fitting\qiuhe.m

?????文件?????????65??2004-04-20?13:39??3d_fitting\quotient.m

?????文件????????614??2004-04-20?13:39??3d_fitting\leftmatrix.m

?????文件????????296??2004-04-20?13:39??3d_fitting\rightmatrix.m

?????文件????????830??2004-04-20?16:44??3d_fitting\main.m

?????文件??????59392??2004-04-20?22:01??3d_fitting\readme.doc

-----------?---------??----------?-----??----

????????????????61636????????????????????7