摘要：
1. ones(X) ones(N, M)% return a matrix or N-dimensional array whose elements are all 1.2. zeros(X) zeros(N, M)% return a matrix or N-dimensional array whose elements are all 0.3. rand(X) rand(N, M)% return a matrix with random elements uniformly distributed on the interval (0,1).4. hist(Y, X, NORM)% 阅读全文
摘要：
移动C-f forword-char 光标向前移动一个字符C-b backword-char 光标向后移动一个字符C-M-f paredit-forward 光标移动到括号后(foo |(bar baz) quux)(foo (bar baz)| quux)(foo (bar)|)(foo (bar))|C-M-b paredit-backword 光标一定到括号前(foo (bar baz)| quux)(foo |(bar baz) quux)(| (foo) bar)|((foo) bar)C-a 移动至行首C-e 移动至行尾编辑C-M-Space mark-sexp 选中光标所在的.. 阅读全文