homework_2018_1_02_1038414799.ipynb

Kernel: Python 3

%pylab inline
from scipy import optimize

Populating the interactive namespace from numpy and matplotlib

#Finding the roots of a function using fixed point method

def f(x):
    return x - (x**2)*np.cos(2*x)

s=optimize.fixed_point(f,(-1,0.1,1))

print("The roots of the function are: {}".format(s))

The roots of the function are: [ -7.85398163e-01   1.27870763e-09   7.85398163e-01]