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mathjs/docs/reference/functions/factorial.md

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1<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->
2
3# Function factorial
4
5Compute the factorial of a value
6
7Factorial only supports an integer value as argument.
8For matrices, the function is evaluated element wise.
9
10
11## Syntax
12
13```js
14math.factorial(n)
15```
16
17### Parameters
18
19Parameter | Type | Description
20--------- | ---- | -----------
21`n` | number &#124; BigNumber &#124; Array &#124; Matrix | An integer number
22
23### Returns
24
25Type | Description
26---- | -----------
27number &#124; BigNumber &#124; Array &#124; Matrix | The factorial of `n`
28
29
30## Examples
31
32```js
33math.factorial(5)    // returns 120
34math.factorial(3)    // returns 6
35```
36
37
38## See also
39
40[combinations](combinations.md),
41[combinationsWithRep](combinationsWithRep.md),
42[gamma](gamma.md),
43[permutations](permutations.md)

1	`<!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. -->`
2
3	`# Function factorial`
4
5	`Compute the factorial of a value`
6
7	`Factorial only supports an integer value as argument.`
8	`For matrices, the function is evaluated element wise.`
9
10
11	`## Syntax`
12
13	```js
14	`math.factorial(n)`
15	```
16
17	`### Parameters`
18
19	`Parameter \| Type \| Description`
20	`--------- \| ---- \| -----------`
21	`n` \| number \| BigNumber \| Array \| Matrix \| An integer number
22
23	`### Returns`
24
25	`Type \| Description`
26	`---- \| -----------`
27	number \| BigNumber \| Array \| Matrix \| The factorial of `n`
28
29
30	`## Examples`
31
32	```js
33	`math.factorial(5) // returns 120`
34	`math.factorial(3) // returns 6`
35	```
36
37
38	`## See also`
39
40	`[combinations](combinations.md),`
41	`[combinationsWithRep](combinationsWithRep.md),`
42	`[gamma](gamma.md),`
43	`[permutations](permutations.md)`