Let where f is a class function.
I'm having trouble understanding the relationship between the h and f and what functions are contained within each.
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In the old days, back in Calculus I, we called this the chain rule.
We don't know much about f, so just go with f'. That should do it.
Well, since this is not Calculus I, those should be partial derivatives: If we let ,
Yes, you can write "df/du" as just f '.
I think I've never coded a "partial" in LaTeX. That's weird. I wonder how I managed to miss that...
Okay, I think I have it, now.
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