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# repmat

Replicate and tile an array

### Syntax

B = repmat(A, siz) B = repmat(A, m) B = repmat(A, m, n,...)

### Arguments

- A
input 2D array.

- m, n, ...
integers, number of

`A`

blocks for each dimension of`B`

.- siz
vector of integer, each element gives the number of

`A`

blocks for corresponding dimension of`B`

.- B
resulting array form by tiling the

`A`

2D array.

### Description

`repmat(A,m,n)`

or similarly
`repmat(A,[m,n])`

returns a large matrix
consisting of an `m`

-by-`n`

tiling of copies of `A`

. The size of the result
is `[size(A,1)*M, size(A,2)*N]`

.

`repmat(A,m)`

creates an
`m`

-by-`m`

tiling.

`repmat(A,[m n p ...])`

tiles the array A to produce a
multidimensional array composed of copies of `A`

. The size of the result is
`[size(A,1)*M, size(A,2)*N, size(A,3)*P, ...]`

.

For now,only arrays of real, integer, boolean, character string, polynomial and rational as well as sparse matrices are supported. This function definition can be extended using overloading mechanism.

### Examples

### See also

- matrix — reshapes an array with the same number and order of components
- extraction — matrix and list entry extraction
- size — size of objects

### History

Version | Description |

5.3.1 | Function repmat introduced. |

## Comments

Author :Sylvestre LEDRU posted the 19/06/2011 10:51See comments in other languages: Français: 1 comment(s)

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