gusucode.com > symbolic工具箱matlab源码程序 > symbolic/assumptions.m
function y=assumptions(x) %ASSUMPTIONS Show assumptions set on variable % ASSUMPTIONS(X) returns the symbolic array of assumptions on % the symbolic variable X. If X is an array of symbolic variables, % ASSUMPTIONS(X) returns all assumptions on all symbolic variables in X. % % ASSUMPTIONS without any inputs returns the list of all assumptions % currently defined for all symbolic variables. % % Example % syms x y % assume(x > y) % assumeAlso(x < 10) % assumptions % ans = % [y<x x<10] % % See also sym/assume, sym/assumeAlso % Copyright 2011 MathWorks, Inc. if nargin == 0 y=mupadmex('symobj::assumptions()'); else y=feval(symengine,'symobj::assumptions', sym(x)); end