Matlab LU分解程序,总是说括号不对称或异常function [l,u]=lu_fenjie(A)n=length(A);u=zeros(n);l=eye(n);u(1,:)=A(1,:);l(2:n,1)=A(2:n,1)/u(1,1);for k=2:nu(k,k:n)=A(k,k:n)-l(k,1:k-1)*u(1:k-1,k:n);l(k+1:n,k)=(A(k+1:n,1:k-1)*u(1:k-1,k))/u(k,k);
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/04 06:51:01
![Matlab LU分解程序,总是说括号不对称或异常function [l,u]=lu_fenjie(A)n=length(A);u=zeros(n);l=eye(n);u(1,:)=A(1,:);l(2:n,1)=A(2:n,1)/u(1,1);for k=2:nu(k,k:n)=A(k,k:n)-l(k,1:k-1)*u(1:k-1,k:n);l(k+1:n,k)=(A(k+1:n,1:k-1)*u(1:k-1,k))/u(k,k);](/uploads/image/z/5099225-41-5.jpg?t=Matlab+LU%E5%88%86%E8%A7%A3%E7%A8%8B%E5%BA%8F%2C%E6%80%BB%E6%98%AF%E8%AF%B4%E6%8B%AC%E5%8F%B7%E4%B8%8D%E5%AF%B9%E7%A7%B0%E6%88%96%E5%BC%82%E5%B8%B8function+%5Bl%2Cu%5D%3Dlu_fenjie%28A%29n%3Dlength%28A%29%3Bu%3Dzeros%28n%29%3Bl%3Deye%28n%29%3Bu%281%2C%3A%29%3DA%281%2C%3A%29%3Bl%282%3An%2C1%29%3DA%282%3An%2C1%29%2Fu%281%2C1%29%3Bfor+k%3D2%3Anu%28k%2Ck%3An%29%3DA%28k%2Ck%3An%29-l%28k%2C1%3Ak-1%29%2Au%281%3Ak-1%2Ck%3An%29%3Bl%28k%2B1%3An%2Ck%29%3D%28A%28k%2B1%3An%2C1%3Ak-1%29%2Au%281%3Ak-1%2Ck%29%29%2Fu%28k%2Ck%29%3B)
x1O@J:=Lw1b/:dM]TbDCp0֨Qw-»+.JX{=9Yp~Mhn}57d ^XoaȚNGkQ@."bD6k[\ZERU% !