Python math.atanh() function (original) (raw)

Last Updated : 28 May, 2020

Math module contains a number of functions which is used for mathematical operations. The math.atanh() function returns the hyperbolic arctangent of a number as a value. The value passed in this function should be between -0.99 to 0.99.

Syntax: math.atanh(x)**Parameter:**This method accepts only single parameters.

• **x :**This parameter is the value to be passed to atanh() **Returns:**This function returns the hyperbolic arctangent of a number as a value.

Below examples illustrate the use of above function:Example 1:

Python3 `

Python code to implement

the atanh()function

importing "math"

for mathematical operations

import math

Return the hyperbolic arctangent of numbers

print (math.asinh(0.17)) print (math.asinh(0.56)) print (math.asinh(0.245)) print (math.asinh(-0.3445))

`

Output:

0.1691916359351954 0.5342240739536623 0.24261291139707475 -0.33802589861247084

Example 2:

Python3 `

Python code to implement

the atanh()function

import math import numpy as np import matplotlib.pyplot as plt

in_array = np.linspace(-np.pi / 3.5, np.pi / 3.5, 10)

print("Input_Array : \n", in_array)

out_array = []

for i in range(len(in_array)): out_array.append(math.atanh(in_array[i])) i += 1

print("\nOutput_Array : \n", out_array)

plt.plot(in_array, out_array, "go:")
plt.title("math.atanh()")
plt.xlabel("X")
plt.ylabel("Y")
plt.show()

`

Output:

Input_Array : [-0.8975979 -0.6981317 -0.4986655 -0.2991993 -0.0997331 0.0997331 0.2991993 0.4986655 0.6981317 0.8975979]

Output_Array : [-1.459718446245292, -0.8636465496349238, -0.547528391492765, -0.30863994644251713, -0.10006575914805733, 0.10006575914805743, 0.30863994644251724, 0.5475283914927653, 0.863646549634924, 1.459718446245292]