Calculate derivatives in Python

 

#!/usr/bin/env python

# coding: utf-8

# # Calculate derivatives in Python

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import sympy as sym

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x = sym.Symbol('x') # Symbolize X

func= x**4+4*x**2+5*x-6    # Function

sym.Derivative(func, x) # Derivative expression

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sym.Derivative(func, x, evaluate=True) # Calculate derivative of func

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func.diff(x)    # Or use this for the same

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# Create functions with lambdify

expr= sym.lambdify(x, func) 

expr_der=sym.lambdify(x, func.diff(x))

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print(f'value of func at x=5: {expr(5)}')

print(f'derivative of func at x=5: {expr_der(5)}')