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[Differentiation] using Symbolics, differentiation (미분)

Computer algebra systems 을 이용해서 굳이 머리쓰지않고 쉽게 미분을 할 수 있다. Maple Sympy (Python) Mathematica Maxima Symbolics (Julia) julia> using Symbolics julia> f(x) = log(x) + sin(x) / x julia> Dx(f(x)) julia> df_sym = expand_derivatives(Dx(f(x))) julia> df = build_function(df_sym, x) |> eval #builds an expression and turns it into a function julia> df(2.0) # 0.06460222502000837
Mathematical Optimization/Julia 2021. 10. 13. 16:52
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