The absolute value of the arguments.

Syntax

a = Abs(m)

Argument

Name

Description

m

A real or complex scalar, vector or matrix.

Output

Name

Description

a

The absolute value or magnitude of each entry.

Example 1

Find the absolute values of elements in a matrix.

Syntax

C = Abs([1,-2,-3,4])

Result

C = 1 2 3 4

Example 2

Find the magnitude of a complex value.

Syntax

C = Abs(3 + 4i)

Result

C = 5

See Also:

Fix

Mod

Rem

Sign