[求助]用matlab解方程时遇到错误

[cleverblue]

在用matlab解方程时遇到错误，f=solve('A*sin(w*x1+B)-y1','A*sin(w*x2+B)-y2','w','A')
??? Error using ==> solve
Unable to find closed form solution.

[fengjinggina]

能不能说的具体些？:confused:

[mathjiang]

提示说得好好的：Unable to find closed form solution=找不到解（解不能用符号表达）。