Function not

Logical not. Flips boolean value of a given parameter. For matrices, the function is evaluated element wise.

Syntax

not(x)

Parameters

Parameter	Type	Description
x	number | BigNumber | Complex | Unit | Array | Matrix	First value to check

Returns

Type	Description
boolean | Array | Matrix	Returns true when input is a zero or empty value.

Examples

not(2);      // returns false
not(0);      // returns true
not(true);   // returns false

a = [2, -7, 0];
not(a);      // returns [false, false, true]

See also

and, or, xor