colstd.m

来自「duke的tutorial on EM的matlab经典源码」· M 代码 · 共 9 行

% Standard deviation of the columns of a. Matlab's 'std' does the wrong thing when a has only one row

function a = colstd(a)

if size(a, 1) > 1
    a = std(a);
else
    a = zeros(size(a));
end