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throwaway39210
searching PlanetScale…
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throwaway39210
11y ago
Thanks, these posts are the only thing I've read that have made sense to me thus far (probably because they mostly confirm my suspicion, that there's not really a strong distinction between 'symbolic' and 'automatic
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throwaway39210
11y ago
> In contrast, symbolic differentiation instead would be to evaluate the entire program in terms of symbolic variables to produce a final expression for your quantity of interest as a function of the inputs, then differentiating that and
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throwaway39210
11y ago
> Put another way, when people say they're using symbolic or automatic differentiation to "calculate" the derivative of a function, "calculate" means different things: in the one, they're "calculating&q
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throwaway39210
11y ago
Can someone further clarify the distinction between automatic and symbolic differentiation? The author claims that using symbolic differentiation on his example (f(x)=sin(x+sin(x+...+sin(x+sin(x))...))) builds a "huge expression that w