xmatrix.m

来自「线性代数实验及MATLAB入门,电子工业出版社出版 陈怀琛 龚杰民合著」· M 代码 · 共 10 行

function X=Xmatrix(n)
% The command X=Xmatrix(n) generates
% a matrix of 0's and 1's whose nonzero
% entries are in the form a letter X,
% that is, the main diagonal and the
% anti-diagonal consist entirely of 1's
% and the remaining entries of the
% matrix are all 0.
X=eye(n)|fliplr(eye(n));