R: Size of Matrix

size {pracma} | R Documentation

## Size of Matrix

### Description

Provides the dimensions of `x`.

### Usage

    size(x, k)

### Arguments

`x` | vector, matrix, or array
`k` | integer specifying a particular dimension

### Details

Returns the number of dimensions as `length(x)`.

Vector will be treated as a single row matrix.

### Value

vector containing the dimensions of `x`, or the `k`-th dimension if `k` is not missing.

### Note

The result will differ from Matlab when `x` is a character vector.

### See Also

`dim`

### Examples

    size(1:8)
    size(matrix(1:8, 2, 4))		# 2 4
    size(matrix(1:8, 2, 4), 2)	# 4
    size(matrix(1:8, 2, 4), 3)	# 1

[Package pracma version 2.0.4 Index]