Python Derivative Code (+ Plotting)

derivate.py

# method 1

import sympy as sp
x = sp.Symbol('x')
y = sp.diff(3*x**2+1, x)
print (y)

# method 2
from scipy.misc import derivative

def f(x):
	return 3*x**2+1

print(derivative(f, 2.0))

plotting.py

%matplotlib inline
import matplotlib.pyplot as plt
import numpy as np
import sympy as sp
 
x=sp.Symbol('x')
y= sp.diff(3*x**2+1,x)
 
 
def f(x):
    return 3*x**2+1
 
y = np.linspace(-3,3)
plt.plot(y, f(y))
plt.grid()