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Symbolic differentiation (e.g. "use Mathematica") is possible but is generally slow to generate and produces incredibly slow/inefficient code.
by snicker7 6y ago
Symbolic differentiation (e.g. "use Mathematica") is possible but is generally slow to generate and produces incredibly slow/inefficient code.
- taeric 6y agoI think the part I had trouble with was seeing why AD would give better results. I still don't fully grok it, but that AD works not necessarily on the full equation, but the equation that was evaluated at a spot, I think finally clicks some with me. I don't get how it helps with some discontinuity problems, but I think I can get how those aren't as important in many contexts.