Function abs

Calculate the absolute value of a number. For matrices, the function is evaluated element wise.

Syntax

abs(x)

Parameters

Parameter Type Description
x number | BigNumber | Fraction | Complex | Array | Matrix | Unit A number or matrix for which to get the absolute value

Returns

Type Description
number | BigNumber | Fraction | Complex | Array | Matrix | Unit Absolute value of x

Examples

abs(3.5);                // returns number 3.5
abs(-4.2);               // returns number 4.2

abs([3, -5, -1, 0, 2]);  // returns Array [3, 5, 1, 0, 2]

See also

sign