In your language I suppose the zero. In general H is less then G and that is why I want to find when H>G but writiing it as you do then I would want to find when f would be zero.
My H is
Int(alpha^(3/2)*exp(-1/2*erf(1/2*sqrt(-2*alpha)*t)^2/erf(1/2*sqrt(-2*alpha)*b)^2 - 1/2*alpha*t^2)*I/(Pi*erf(1/2*sqrt(-2*alpha)*b)), t = -infinity .. infinity)and G is
and G is
alpha is in (10^(-9),1) and b is in (1,10^3). My procedure is found in LogLogProper.mw
I am happy with what it returns and it does it quick, I just don't know if it is the best approach.
If there is a better way to do it and you want to ammend it I appreciate it. Thank you.