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abs

Returns the absolute value of a scalar/matrix/complex number.

Syntax

abs(a, ...)

Inputs

a
Any valid scalar | string | vector | matrix
Type: double | integer | char | string | logical | struct | cell
Dimension: scalar | string | vector | matrix

Outputs

R
Absolute value of a

Examples

Absolute value of a negative scalar:

abs(-0.5)
ans = 0.5

Absolute value of a complex number:

R = abs(2i + 8)
R = 8.24621125

Absolute value of a matrix:

abs([-3,.6])
ans = [ 3 0.6 ]