You waited 6 months after the almost-three-years-old thread had died to post something which isn't even correct (or is too vague to be used in any sensible way)...
You waited 6 months after the almost-three-years-old thread had died to post something which isn't even correct (or is too vague to be used in any sensible way)...
Oh, and welcome to TSR.
hey, first, I was googling that function then I got a link for this thread , chain rule in this case is perfectly applied and sensible.