Related Articles

Related Articles

Java Math exp() method with Example
  • Last Updated : 06 Apr, 2018

The java.lang.Math.exp() returns euler’s number e raised to the power of a double value.

  • If the argument is NaN, the result is NaN.
  • If the argument is positive infinity, then the result is positive infinity.
  • If the argument is negative infinity, then the result is positive zero.

Syntax :

public static double exp(double a)
Parameter : 
a : the exponent part which raises to e. 

Returns :
the value ea, where e is the base of the natural logarithms.

Example : To show working of java.lang.Math.exp() function

filter_none

edit
close

play_arrow

link
brightness_4
code

// Java program to demonstrate working
// of java.lang.Math.exp() method
import java.lang.Math;
  
class Gfg {
  
    // driver code
    public static void main(String args[])
    {
        double x = 3;
          
        // when both are not infinity
        double result = Math.exp(x);
        System.out.println(result);
  
        double positiveInfinity = 
               Double.POSITIVE_INFINITY;
        double negativeInfinity = 
               Double.NEGATIVE_INFINITY;
        double nan = Double.NaN;
  
        // when 1 is NAN
        result = Math.exp(nan);
        System.out.println(result);
  
        // when one argument is +INF
        result = Math.exp(positiveInfinity);
        System.out.println(result);
  
        result = Math.exp(negativeInfinity);
        System.out.println(result);
    }
}

chevron_right


Output:

20.085536923187668
NaN
Infinity
0.0

Attention reader! Don’t stop learning now. Get hold of all the important Java Foundation and Collections concepts with the Fundamentals of Java and Java Collections Course at a student-friendly price and become industry ready.

My Personal Notes arrow_drop_up
Recommended Articles
Page :