PYTHON

calculate integral python

from scipy.integrate import quad 
result = quad(my_function, a, b)

"""
 quad    1-Dim function
 dblquad, tplquad, nquad 2, 3, N-Dim respectively  

 my_function is a Python-def function 
 a special function from scipy (check documentation)
 or a lambda function
 a, b: integration interval
"""

integral python

from scipy import integrate
>>> x2 = lambda x: x**2
>>> integrate.quad(x2, 0, 4)
(21.333333333333332, 2.3684757858670003e-13)
>>> print(4**3 / 3.)  # analytical result
21.3333333333