求助！

visstic

我编写了如下的一个方程组

function [a,b,c,d]=fch()

[a,b,c,d]=solve('-(a+250)/b-(b-d)/(a-c)=0','(a+250)^2+b^2-125^2=0','-c/d-(b-d)/(a-c)=0','c^2+d^2-62500=0');

a=double(vpa(a))
b=double(vpa(b))
c=double(vpa(c))
d=double(vpa(d))

在matlab里运行没有问题，结果也对

运行
mcc -m fch

出现警告：
Warning: File: solve Line: 97 Column: 16
The MATLAB Compiler does not currently support MATLAB object-oriented programming.  References to the method "findsym" will produce a run-time error.
Warning: File: solve Line: 87 Column: 19
The MATLAB Compiler does not currently support MATLAB object-oriented programming.  References to the method "sym" will produce a run-time error.
Warning: File: vpa Line: 28 Column: 9
The MATLAB Compiler does not currently support MATLAB object-oriented programming.  References to the method "sym" will produce a run-time error.
Warning: File: maple Line: 94 Column: 19
The MATLAB Compiler does not currently support MATLAB object-oriented programming.  References to the method "sym" will produce a run-time error.

这是为什么，怎么处理？
请高人指点