'Regula Falsi Method'
import numpy as np
import matplotlib.pyplot as plt
import math
def f(x):
y=(2**x)-(x**2)
return y
print('Kindly Enter Value of X1: ')
X1= input()
print('Kindly Enter Value of X2: ')
X2= input()
X1= int(X1)
X2= int(X2)
for i in range (20):
if (f(X1)*f(X2)<=0):
X3=( X2-(((f(X2))*(X2-X1))/((f(X2))-(f(X1)))))
if(f(X3)<0):
X1=X3
print(X1)
else:
X2=X3
print(X2)
elif (f(X1)*f(X2)>=0):
X3=( X2-(((f(X2))*(X2-X1))/((f(X2))-(f(X1)))))
if(f(X3)<0):
X1=X3
print(X1)
else:
X2=X3
print(X2)
else:
print('Kindly Change the values of X1 and X2 !')