Hello,
solve (1/2 g ((-1+f) erf((c-x)/(sqrt(2) b))-f erf((r-x)/(sqrt(2) d)))) = y for x
doesn't work ..... It's just printing me an empty page !
Any idea ?
Is there some reason you expect a closed form solution to such an equation? I'd be surprised at least a little if there is one.