mathjs/docs/reference/functions/dotMultiply.md

Function dotMultiply

Multiply two matrices element wise. The function accepts both matrices and scalar values.

Syntax

math.dotMultiply(x, y)

Parameters

Parameter	Type	Description
x	Number | BigNumber | Boolean | Complex | Unit | Array | Matrix	Left hand value
y	Number | BigNumber | Boolean | Complex | Unit | Array | Matrix	Right hand value

Returns

Type	Description
Number | BigNumber | Complex | Unit | Array | Matrix	Multiplication of x and y

Examples

var math = mathjs();

math.dotMultiply(2, 4); // returns 8

a = [[9, 5], [6, 1]];
b = [[3, 2], [5, 2]];

math.dotMultiply(a, b); // returns [[27, 10], [30, 2]]
math.multiply(a, b);    // returns [[52, 28], [23, 14]]

See also

multiply, divide, dotDivide