# Method norm

#### static member norm: Tensor<'T> * 'T option -> 'T

Calculates the norm of the (flattened) tensor.

##### Declaration

`static member norm: a:Tensor<'T> * ord:'T option -> 'T`

##### Parameters

Type | Name | Description |
---|---|---|

Tensor<'T> | a | The tensor containing the source values. |

'T option | ord | The order (power) of the norm. (default: 2) |

##### Returns

Type | Description |
---|---|

'T | A new tensor containing the result of this operation. |

##### Remarks

The norm is calculated over all elements of the tensor.

It is defined by `sqrt (sum_i (x_i**ord))`

.

##### Examples

```
let a = HostTensor.ofList2D [[1.0; 2.0; 3.0; 4.0]
[5.0; 6.0; 7.0; 8.0]]
let b = Tensor.norm a // 14.283
```