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 #

math.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 #

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

See also #

add, subtract, unaryPlus

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