Make comparison with each column. 1.Starting from the first column, you have 1→4. 2.Then seek which column top has 4, which is the fourth column and you ... ... <看更多>

... permutation matrix. Is this sufficient? x = [2 1 4 3 5]; y = eye(numel(x)); evenodd = det( y(:,x) );. The value of evenodd is 1 if even ... ... <看更多>

(5) Prove that every 3-cycle is an even permutation. Solution. ... We say that an n × n matrix is a permutation matrix if it has exactly one. ... <看更多>