53 lines
1.1 KiB
Markdown
53 lines
1.1 KiB
Markdown
|
<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
|
||
|
|
|
||
|
|
# Function dotMultiply
|
||
|
|
|
||
|
|
Multiply two matrices element wise. The function accepts both matrices and
|
||
|
|
scalar values.
|
||
|
|
|
||
|
|
|
||
|
|
## Syntax
|
||
|
|
|
||
|
|
```js
|
||
|
|
math.dotMultiply(x, y)
|
||
|
|
```
|
||
|
|
|
||
|
|
### Parameters
|
||
|
|
|
||
|
|
Parameter | Type | Description
|
||
|
|
--------- | ---- | -----------
|
||
|
|
`x` | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Left hand value
|
||
|
|
`y` | number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Right hand value
|
||
|
|
|
||
|
|
### Returns
|
||
|
|
|
||
|
|
Type | Description
|
||
|
|
---- | -----------
|
||
|
|
number | BigNumber | Fraction | Complex | Unit | Array | Matrix | Multiplication of `x` and `y`
|
||
|
|
|
||
|
|
|
||
|
|
### Throws
|
||
|
|
|
||
|
|
Type | Description
|
||
|
|
---- | -----------
|
||
|
|
|
||
|
|
|
||
|
|
## Examples
|
||
|
|
|
||
|
|
```js
|
||
|
|
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](multiply.md),
|
||
|
|
[divide](divide.md),
|
||
|
|
[dotDivide](dotDivide.md)
|