Is there a numerical differentiation package that allows you to specify the size of the bump ?
I’d like to do f(x + d) - f(x) and specify the d (e.g. 0.001)
FiniteDifferences seems to focus on approximating the actual derivative.
You can set the stepsize in FiniteDiff.jl
https://github.com/JuliaDiff/FiniteDiff.jl/blob/master/src/jacobians.jl#L160-L161
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Many thanks