www.gusucode.com > 基于matlab的三维重建代码，提取两幅图片的匹配点源码程序 > 基于matlab的三维重建代码，提取两幅图片的匹配点源码程序/code/code/skew.m

    % Return associated skew symmetric matrix of a given 3D vector
function S_hat = skew(S)
S_hat = zeros(3,3);
S_hat(1,2) = - S(3); S_hat(1,3) = S(2);   S_hat(2,3) = - S(1);
S_hat(2,1) = S(3);   S_hat(3,1) = - S(2); S_hat(3,2) = S(1);