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Ruby | Math tanh() function

  • Last Updated : 07 Jan, 2020

The tanh() is an inbuilt function in Ruby returns the the hyperbolic tangent of value given in radians. The value passed is in range [-inf, +inf]. The returned value is in range [-1, +1].

Syntax: Math.tanh(value)

Parameters: The function accepts one mandatory parameter value whose corresponding hyperbolic tangent value is returned.

Return Value: It returns the hyperbolic tangent value.

Example 1:






#Ruby program for tanh() function
  
#Assigning values
val1 = -1023 val2 = 0.67 val3 = 98 val4 = -39
  
#Prints the tanh() value
                                           puts Math.tanh(val1)
                                               puts Math.tanh(val2)
                                                   puts Math.tanh(val3)
                                                       puts Math.tanh(val4)

Output:

-1.0
0.5849798828807289
1.0
-1.0

Example 2:




#Ruby program for tanh() function
  
#Assigning values
val1 = 0 val2 = 100 val3 = -98 val4 = -6
  
#Prints the tanh() value
                                       puts Math.tanh(val1)
                                           puts Math.tanh(val2)
                                               puts Math.tanh(val3)
                                                   puts Math.tanh(val4)

Output:

0.0
1.0
-1.0
-0.9999877116507956

Reference: https://devdocs.io/ruby~2.5/math#method-c-tanh




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