vectorize inline function

[isotrex]

How do I vectorize an inline function?
I've already tried searching the web and it seem the vectorize inline
function has been deprecated.
What I want is when I input like x^2*cos(x)-1 it would change to a vectorize
format which is x.^2.*cos(x)-1.

Here's the code I got which doesn't work...

        a = input('Enter Function:','s');
        f = inline(a);
        x = vectorize(f);

Is there an alternative way so I can vectorize a given input function?
Any help or guide would be greatly appreciated. 



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