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# Describe An Array

## Preliminaries

```
# Load library
import numpy as np
```

## Create Matrix

```
# Create matrix
matrix = np.array([[1, 2, 3, 4],
[5, 6, 7, 8],
[9, 10, 11, 12]])
```

## View Shape

```
# View number of rows and columns
matrix.shape
```

```
(3, 4)
```

## View Total Elements

```
# View number of elements (rows * columns)
matrix.size
```

```
12
```

## View Number Of Dimensions

```
# View number of dimensions
matrix.ndim
```

```
2
```

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