摘要：
用来做数值计算作业的代码，来自Numerical Methods Using Matlab (4th Edition) [John H. Mathews, Kurtis K. Fink]，改了一下注释，并添加输出消元过程的代码uptrbk.mfunction X = uptrbk(A, B) % initialization [N N] = size(A); X = zeros(N, 1); C = zeros(1, N+1); % construct augmented matrix Aug = [A B]; disp('Aug be... 阅读全文