[交流] 【求助】Matlab最小二乘法简单编程代码？

Originally posted by 飞扬2282 at 2009-4-9 11:19:


非常感谢！

其中%[A B]*[u v]'=C 是否应为

%[A B]*[v -u]'=C

？

Originally posted by fspdlh at 2009-4-8 18:46:
function y=solveuv(u,v,N)
%Av-Bu=C
ind=floor(N/2);
A=u(ind+1:ind*2)-u(1:ind);
B=v(ind+1:ind*2)-v(1:ind);
C=v(1:ind).*u(ind+1:ind*2)-v(ind+1:ind*2).*u(1:ind);
%[A B]*[u v]'=C
y=([A B])\C;