cha.m

生成系数矩阵

function y=cha(x)
a=min(x(:,1));
a=fix(a/100)*100;
b=min(x(:,2));
b=fix(b/100)*100;
y(:,1)=(x(:,1)-a)/100;
y(:,2)=(x(:,2)-b)/100;
y(:,3)=x(:,3)-x(:,4);