mathjs/docs/reference/functions/or.md

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Function or #

Logical or. Test if at least one value is defined with a nonzero/nonempty value. For matrices, the function is evaluated element wise.

Syntax #

math.or(x, y)

Parameters #

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

Returns #

Type	Description
boolean | Array | Matrix	Returns true when one of the inputs is defined with a nonzero/nonempty value.

Examples #

math.or(2, 4);   // returns true

a = [2, 5, 0];
b = [0, 22, 0];
c = 0;

math.or(a, b);   // returns [true, true, false]
math.or(b, c);   // returns [false, true, false]

See also #

and, not, xor