Python Partial Derivatives Easy

I'm interested in computing partial derivatives in Python. I've seen functions which compute derivatives for single variable functions, but not others. It would be great to find so

Solution 1:

use sympy

>>>from sympy import symbols, diff>>>x, y, z = symbols('x y z', real=True)>>>f = 4*x*y + x*sin(z) + x**3 + z**8*y>>>diff(f, x)
4*y + sin(z) + 3*x**2

Solution 2:

Use sympy

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From their Docs:

>>> diff(sin(x)*exp(x), x)
 x           x
ℯ ⋅sin(x) + ℯ ⋅cos(x)

and for your example:

>>> diff(4*x*y + x*sin(z)+ x**3 + z**8*y,x)
3x**2+4*y+sin(z)