Hey, I think in python, you use Lambda Expressions. Here is how I would do it in python3: import math f = lambda x: math.cos(x) + x d_f = lambda x: (f(x + 1e-8) - f(x)) * 1e8
On Wed, May 15, 2019 at 6:33 PM Hilaire <hila...@drgeo.eu> wrote: > Hi, > > We, Smalltalkers, use bloc of code as easily as we breathe air. > > I am writing an article on Smalltalk programming for a French > mathematics teachers magazine. > > To illustrate the simplicity of Smalltalk, I would like to compare how > the bloc of code 'f' and 'df' below will be implemented in Javascript > and Python: > > > f := [ :x | x cos + x ]. > df := [ :x | (f value: x + 1e-8) - (f value: x) * 1e8]. > > Here f is a way to implement a function and df its derivate. > > Do some of you knows how it will be written in Javascript and Python > with their own ad-hoc anonymous function? > > Thanks > > Hilaire > > -- > Dr. Geo > http://drgeo.eu > > > >
