gusucode.com > symbolic工具箱matlab源码程序 > symbolic/@sym/rank.m
function r = rank(A) %RANK Symbolic matrix rank. % RANK(A) is the rank of the symbolic matrix A. % % Example: % rank([a b;c d]) is 2. % Copyright 2013 The MathWorks, Inc. if any(reshape(~isfinite(A),[],1)) error(message('symbolic:sym:InputMustNotContainNaNOrInf')); end r = double(privUnaryOp(A, 'symobj::rank')); end