#On the name of ALLAH and may the blessing and peace of Allah #be upon the Messenger of Allah Mohamed Salla Allahu Aliahi Wassalam. #Author : Fouad Teniou #Date : 06/07/10 #version :2.6 """ maclaurin_cosh is a function to compute cosh(x) using maclaurin series and the interval of convergence is -inf < x < +inf cosh(x) = 1+ x^2/2! + x^4/4! + x^6/6! ........... """ from math import * def maclaurin_cosh(value, k): """ Compute maclaurin's series approximation for cosh(x). """ global first_value first_value = 0.0 #attempt to Approximate cosh(x) for a given value try: for item in xrange(0,k,2): next_value =(value*pi/180)**item/factorial(item) first_value += next_value return first_value #Raise TypeError if input is not a number except TypeError: print 'Please enter an integer or a float value' if __name__ == "__main__": maclaurin_cosh1 = maclaurin_cosh(70,100) print maclaurin_cosh1 maclaurin_cosh2 = maclaurin_cosh(45,100) print maclaurin_cosh2 maclaurin_cosh3 = maclaurin_cosh(30,100) print maclaurin_cosh3 ###################################################################### #C:\python #1.8438869882 #1.32460908925 #1.14023832108