Category "symbolic-math"

Delta operator in sympy

Is it possible to make a delta operator like this in sympy? Im not really sure how to code it. Should be really eazy if there exists a method.

Define a function with a fractional power in python

I want to defining the following function: def f(x,y): return pow(x, 1/3) + y x = np.linspace(-1, 1, 10) y = np.linspace(-1, 1, 10) X, Y = np.meshgrid(x,