mathjs/docs/reference/functions/rightArithShift.md
2014-12-25 17:05:29 +01:00

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# Function rightArithShift
Bitwise right arithmetic shift of a value x by y number of bits, `x >> y`.
For matrices, the function is evaluated element wise.
For units, the function is evaluated on the best prefix base.
## Syntax
```js
math.rightArithShift(x, y)
```
### Parameters
Parameter | Type | Description
--------- | ---- | -----------
`x` | Number | BigNumber | Boolean | Array | Matrix | null | Value to be shifted
`y` | Number | BigNumber | Boolean | null | Amount of shifts
### Returns
Type | Description
---- | -----------
Number | BigNumber | Array | Matrix | `x` sign-filled shifted right `y` times
## Examples
```js
math.rightArithShift(4, 2); // returns Number 1
math.rightArithShift([16, -32, 64], 4); // returns Array [1, -2, 3]
```
## See also
[bitAnd](bitAnd.md),
[bitNot](bitNot.md),
[bitOr](bitOr.md),
[bitXor](bitXor.md),
[leftShift](leftShift.md),
[rightLogShift](rightLogShift.md)
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