mathjs/docs/reference/functions/size.md

Function size

Calculate the size of a matrix or scalar.

Syntax

math.size(x)

Parameters

Parameter	Type	Description
x	boolean | number | Complex | Unit | string | Array | Matrix	A matrix

Returns

Type	Description
Array | Matrix	A vector with size of x.

Examples

math.size(2.3);                  // returns []
math.size('hello world');        // returns [11]

var A = [[1, 2, 3], [4, 5, 6]];
math.size(A);                    // returns [2, 3]
math.size(math.range(1,6));      // returns [5]

See also

resize, squeeze, subset