In Python there are many built-in functions and
abs() method is one of them. The main purpose of this function is to return the absolute value of the number(variable) passed as argument to it.
This is a detailed post on
abs() method that touches every aspect of it.
abs() method takes only one argument and hence the syntax is pretty simple,
# X can be an integer or a float or a complex number abs(X)
If, X (the argument) is an Integer or Float then the method will return the absolute value in Integer or Float
else if X is a Complex Number then the method will return the magnitude of that complex number.
The absolute value for a given number is the numerical value of that number without considering whether the sign of the number is positive (+ve) or negative (-ve ).
Simply put, an absolute number is always a positive(+ve) number.
For complex numbers, the absolute value is their magnitude.
Example for Integer:
The absolute value of -5 is 5.
Example for Float:
The absolute value of -5.5 is 5.5
Example for Complex Numbers:
The absolute value of 3+4j is 5.0
Lets see, how to find the magnitude of a complex number,
The magnitude of complex number a+bj is sqrt( a^2 + b^2 ).
For example: The magnitude of 3+4j is sqrt( 3^2 + 4^2 ) = sqrt( 9 + 16 ) = sqrt(25) = 5
Below we have a simple program where we have used the
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abs() built-in function available in Python Standard Language. If you feel that this post is useful, please share it with your friends and colleagues.
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