(1) in the Matlab editor. M function, the function of sym and syms two functions, under the Matlab can run normally;
(2) compiled into a DLL library, Vs2013 c + +, according to the tutorial is configured, this function is called, is a (tip undefined or function symsengine) error, I put the function is modified to contain no sym syms and other functions, can the normal calls,
(3) check it on the website of some of the same problem, but there was no corresponding solutions, which a great god answers?