3楼: Originally posted by 1103419675 at 2016-08-31 10:12:21
谢谢了，好的
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x1=[1000 600 1200 500 300 400 1300 1100 1300 300];
x2=[5 7 6 6 8 7 5 4 3 9];
y=[100 75 80 70 50 65 90 100 110 60]';
x=[x1' x2'];
rstool(x,y,'purequadratic')

2楼: Originally posted by FMStation at 2016-08-31 07:12:46
http://mcm.dept.ccut.edu.cn/u_newsfiles/1283049677/20120508/20120508204298149814.pdf

x1=;
x2=;
y=';
x=;
rstool(x,y,'purequadratic')
...