Matlab 共轭梯度法求解任意线性方程组!function x = cg(A,b)tol=1e-10;r = b + A*b;w = -r;z = A*w;s = w'*z;t = (r'*w)/s;x = -b + t*w;for k = 1:numel(b);r = r - t*z;if( norm(r) < tol )return;endB = (r'*z)/s;w = -r + B*w;z = A*w;s = w'*z;t = (
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/15 00:02:12
![Matlab 共轭梯度法求解任意线性方程组!function x = cg(A,b)tol=1e-10;r = b + A*b;w = -r;z = A*w;s = w'*z;t = (r'*w)/s;x = -b + t*w;for k = 1:numel(b);r = r - t*z;if( norm(r) < tol )return;endB = (r'*z)/s;w = -r + B*w;z = A*w;s = w'*z;t = (](/uploads/image/z/8654736-48-6.jpg?t=Matlab+%E5%85%B1%E8%BD%AD%E6%A2%AF%E5%BA%A6%E6%B3%95%E6%B1%82%E8%A7%A3%E4%BB%BB%E6%84%8F%E7%BA%BF%E6%80%A7%E6%96%B9%E7%A8%8B%E7%BB%84%21function+x+%3D+cg%28A%2Cb%29tol%3D1e-10%3Br+%3D+b+%2B+A%2Ab%3Bw+%3D+-r%3Bz+%3D+A%2Aw%3Bs+%3D+w%27%2Az%3Bt+%3D+%28r%27%2Aw%29%2Fs%3Bx+%3D+-b+%2B+t%2Aw%3Bfor+k+%3D+1%3Anumel%28b%29%3Br+%3D+r+-+t%2Az%3Bif%28+norm%28r%29+%3C+tol+%29return%3BendB+%3D+%28r%27%2Az%29%2Fs%3Bw+%3D+-r+%2B+B%2Aw%3Bz+%3D+A%2Aw%3Bs+%3D+w%27%2Az%3Bt+%3D+%28)
xQOAǿIWM^Y<т R)X "ߢs{hkKvvnv?JLK}2A+tl}7c9`)M;.qE(njJDE 69"518%\ۍ$W\_q%E
^qŝިheq[/4 E0 ߪےbIQ 9[D~EZݘgMZYҐu.gA"
#,~yfY$=0ePw,f
9N,ʶ*yzÜhvV"4M`Ϛ$#