Given a function F = G/H, the first derivative is usually expressed as
(HG’ – H’G)/(H^2)
But this is equivalent to:
(G’ – F H’)/H
The second form seems to be easier to implement in some cases and requires less computation, but I have never seen anyone use it. Has anyone used this?
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Related Post: Derivative of the Quotient: Lost in Translation?
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Интересная статейка, но как по мне, можно было бы и глубже капнуть..)
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