Function unaryMinus

Inverse the sign of a value, apply a unary minus operation.

For matrices, the function is evaluated element wise. Boolean values and strings will be converted to a number. For complex numbers, both real and complex value are inverted.

Syntax

unaryMinus(x)

Parameters

Parameter Type Description
x number | BigNumber | Fraction | Complex | Unit | Array | Matrix Number to be inverted.

Returns

Type Description
number | BigNumber | Fraction | Complex | Unit | Array | Matrix Returns the value with inverted sign.

Examples

unaryMinus(3.5);      // returns -3.5
unaryMinus(-4.2);     // returns 4.2

See also

add, subtract, unaryPlus