Python’s “Math” module is a powerful tool that allows you to perform mathematical operations and calculations in the code. It provides a wide range of functions, constants, and methods that can help you solve complex problems and make your code more efficient. These functions include addition, subtraction, multiplication, and division, as well as exponents, roots, modulo, and absolute value.

In this guide, we’ll explore the Python “math.exp()” function of the “math” module, and learn how to use them in the code. The following are the contents of this blog:

• • What is Python “math.exp()” Function?
  • Using “math.exp()” With a Positive Value.
  • Using “math.exp()” With a Negative Value.
  • Using “math.exp()” With a Zero Value.

What is Python “math.exp()” Function?

The Python “math.exp()” function returns the exponential value of a given number. It calculates the value of “e” raised to the power of the number passed as its(function) argument. For instance, if you pass “2” as an argument, it will return “e^2”.

Syntax

 
In the above syntax, the “math.exp()” function takes one parameter “x”. The calculation is done such that “e” is raised to the power of “x” i.e., “e^x”. This argument can be a positive, negative, or zero value.

However, if you pass an invalid argument, such as a string or a non-numeric value, it will raise a “TypeError”.

Example 1: Using “math.exp()” With a Positive Value

Let’s overview the following example using the “math.exp()” function with a positive value:

 
In the above code, the “math.exp()” function takes the value “55” as an argument and calculates the exponential value of “e^55”.

Output

The above output calculates the exponent value of the passed positive number.

Example 2: Using “math.exp()” With a Negative Value

Now, let’s see an example of using the “math.exp()” function with a negative value:

 
In the above code, the “math.exp()” function takes the value “-55” as an argument and calculates the exponential value of “e^-55”.

Output

The above output returns the calculation of the exponent value of the passed negative number.

Example 3: Using “math.exp()” With a Zero Value

Finally, let’s see an example of using the discussed function with a “zero” value:

 
In the above code, we passed “0” as an argument to the “math.exp()” function, which calculates the exponential value of “e^0”.

Output

The output shows the exponent value result of the passed zero value as “1”.

Conclusion

In Python, the “math.exp()” function of the “math” module is used to calculate the exponent power of the numeric values such as “int” and “float”. This function retrieves the “e” value raised by “x“(passed as argument). It returns the exponent power when the value is an integer or a float number. If you pass other values, such as string, list, etc., the “math.exp()” function returns a “Type error” instead. This blog discussed the usage and implementation of the “math.exp()” function in Python.