matlab求反函数的问题
想求：y=(x√(1+4a^2 x^2 ))/2+sinh^(-1)2ax/4a 的反函数我的结果：syms x;
f=sym(x*sqrt(4*a^2*x^2 + 1)/2 + asinh(2*a*x)/(4*a));
finverse(f)
Warning: Functional inverse cannot be found.
> In D:\Program Files\MATLAB\R2012a\toolbox\symbolic\symbolic\symengine.p>symengine at 54
In sym.sym>sym.privBinaryOp at 1694
In sym.finverse at 31
ans =
[ empty sym ]
可不可以帮我看一看
