Python lgamma() Function | Math.lgamma() in Python Example

Python lgamma() Function | Math.lgamma() in Python Example

Python lgamma() is an inbuilt method that is defined under the math module, which is used to find the natural logarithm of the absolute value, which is returned by the gamma function. For example, if x is passed as a parameter in lgamma function (lgamma(x)), it returns the natural log of the number. We can use the math module by importing it.

Python lgamma()

Python lgamma function is one of the special  Python Math functions used to calculate the Natural logarithm of Gamma function at the given argument.

The syntax for it would be import math; after importing, we use to call this function using the static object. 

The gamma value is equal to factorial(x-1) of the number passed as a parameter. Hence lgamma() function returns the natural log of factorial(x-1) value.

Another important point to note is that math lgamma() function only takes parameter values of number type if any other type is passed; it returns TypeError.

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