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Alex Rivera
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In sage it is fairly easy to do a Taylor expansion of an unknown function f(x) , x = var('x') h = var('h') f = function('f',x) g1 = taylor(f,x,h,2) How can this be done in sympy? Update asmeurer points out that this is a feature which will be available soon in sympy from the pull request http://github.com/sympy/sympy/pull/1888 . I installed the branch using pip, pip install -e git+git@github.com:renatocoutinho/sympy.git@897b#egg=sympy --upgrade However, when I try to calculate the series of f(x) , x, h = symbols("x,h") f = Function("f") series(f,x,x+h) I get the following error, TypeError: unbound method series() must be called with f instance as first argument (got Symbol instance instead)
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