ones.md (1216B)
1 <!-- Note: This file is automatically generated from source code comments. Changes made in this file will be overridden. --> 2 3 # Function ones 4 5 Create a matrix filled with ones. The created matrix can have one or 6 multiple dimensions. 7 8 9 ## Syntax 10 11 ```js 12 math.ones(m) 13 math.ones(m, format) 14 math.ones(m, n) 15 math.ones(m, n, format) 16 math.ones([m, n]) 17 math.ones([m, n], format) 18 math.ones([m, n, p, ...]) 19 math.ones([m, n, p, ...], format) 20 ``` 21 22 ### Parameters 23 24 Parameter | Type | Description 25 --------- | ---- | ----------- 26 `size` | ...number | Array | The size of each dimension of the matrix 27 `format` | string | The Matrix storage format 28 29 ### Returns 30 31 Type | Description 32 ---- | ----------- 33 Array | Matrix | number | A matrix filled with ones 34 35 36 ### Throws 37 38 Type | Description 39 ---- | ----------- 40 41 42 ## Examples 43 44 ```js 45 math.ones(3) // returns [1, 1, 1] 46 math.ones(3, 2) // returns [[1, 1], [1, 1], [1, 1]] 47 math.ones(3, 2, 'dense') // returns Dense Matrix [[1, 1], [1, 1], [1, 1]] 48 49 const A = [[1, 2, 3], [4, 5, 6]] 50 math.ones(math.size(A)) // returns [[1, 1, 1], [1, 1, 1]] 51 ``` 52 53 54 ## See also 55 56 [zeros](zeros.md), 57 [identity](identity.md), 58 [size](size.md), 59 [range](range.md)