Python built-in function 1-abs ()

Source: Internet
Author: User
Tags square root

Help on built-in function abs in module __BUILTIN__:


ABS (...)

ABS (number), number

Return the absolute value of the argument.

ABS (x)

Return the absolute value of a number. The argument is a plain or long integer or a floating point number. If The argument is a complex number, it magnitude is returned.


Description

    1. Returns the absolute value of a number, which can be an integer, floating-point, or plural

2. If the argument is a complex number, this method returns the absolute value of this complex number (the square root of the product of the complex number and its conjugate complex number)


>>> ABS (5)

5

>>> ABS (-3)

3

>>> ABS (0)

0

>>> ABS (7.1415)

7.1415

>>> ABS (-7.1415)

7.1415

>>> A=complex (3,4)

>>> A

(3+4j)

>>> ABS (a)

5.0

>>> B=complex ( -2,-8)

>>> b

( -2-8j)

>>> ABS (b)

8.246211251235321



This article is from the "Big Cloud Technology" blog, please be sure to keep this source http://hdlptz.blog.51cto.com/12553181/1897524

Python built-in function 1-abs ()

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