Compute the Exponential minus 1 of a Number in R Programming - expm1() Function

Calculate exponential of a number in R Programming - exp() Function

Last Updated : 01 Jun, 2020

exp() function in R Language is used to calculate the power of e i.e. e^y or we can say exponential of y. The value of e is approximately equal to 2.71828…..

Syntax: exp(y) Parameters: y: It is any valid R number either positive or negative. Returns: Floating point number by calculating e^y.

Example 1:

Python3

# R program to calculate exp value 
  
# Using exp() method 
answer1 <- exp(4) 
answer2 <- exp(-3)  
answer3 <- exp(0.0)

print(answer1) 
print(answer2) 
print(answer3)

Output:

54.59815
0.04978707
1

Example 2:

Python3

# R program to calculate exp value 
  
# Using exp() method 
answer1 <- exp(c(pi, exp(1))) 

print(answer1)

Output:

23.14069 15.15426

Compute the Exponential minus 1 of a Number in R Programming - expm1() Function

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