# {py:mod}`vtkmodules.numpy_interface.internal_algorithms`

```{py:module} vtkmodules.numpy_interface.internal_algorithms
```

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms
:allowtitles:
```

## Module Contents

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`_cell_derivatives <vtkmodules.numpy_interface.internal_algorithms._cell_derivatives>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms._cell_derivatives
    :summary:
    ```
* - {py:obj}`_cell_quality <vtkmodules.numpy_interface.internal_algorithms._cell_quality>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms._cell_quality
    :summary:
    ```
* - {py:obj}`_matrix_math_filter <vtkmodules.numpy_interface.internal_algorithms._matrix_math_filter>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms._matrix_math_filter
    :summary:
    ```
* - {py:obj}`abs <vtkmodules.numpy_interface.internal_algorithms.abs>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.abs
    :summary:
    ```
* - {py:obj}`all <vtkmodules.numpy_interface.internal_algorithms.all>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.all
    :summary:
    ```
* - {py:obj}`area <vtkmodules.numpy_interface.internal_algorithms.area>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.area
    :summary:
    ```
* - {py:obj}`aspect <vtkmodules.numpy_interface.internal_algorithms.aspect>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.aspect
    :summary:
    ```
* - {py:obj}`aspect_gamma <vtkmodules.numpy_interface.internal_algorithms.aspect_gamma>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.aspect_gamma
    :summary:
    ```
* - {py:obj}`condition <vtkmodules.numpy_interface.internal_algorithms.condition>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.condition
    :summary:
    ```
* - {py:obj}`cross <vtkmodules.numpy_interface.internal_algorithms.cross>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.cross
    :summary:
    ```
* - {py:obj}`curl <vtkmodules.numpy_interface.internal_algorithms.curl>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.curl
    :summary:
    ```
* - {py:obj}`divergence <vtkmodules.numpy_interface.internal_algorithms.divergence>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.divergence
    :summary:
    ```
* - {py:obj}`det <vtkmodules.numpy_interface.internal_algorithms.det>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.det
    :summary:
    ```
* - {py:obj}`determinant <vtkmodules.numpy_interface.internal_algorithms.determinant>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.determinant
    :summary:
    ```
* - {py:obj}`diagonal <vtkmodules.numpy_interface.internal_algorithms.diagonal>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.diagonal
    :summary:
    ```
* - {py:obj}`dot <vtkmodules.numpy_interface.internal_algorithms.dot>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.dot
    :summary:
    ```
* - {py:obj}`eigenvalue <vtkmodules.numpy_interface.internal_algorithms.eigenvalue>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.eigenvalue
    :summary:
    ```
* - {py:obj}`eigenvector <vtkmodules.numpy_interface.internal_algorithms.eigenvector>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.eigenvector
    :summary:
    ```
* - {py:obj}`gradient <vtkmodules.numpy_interface.internal_algorithms.gradient>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.gradient
    :summary:
    ```
* - {py:obj}`inv <vtkmodules.numpy_interface.internal_algorithms.inv>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.inv
    :summary:
    ```
* - {py:obj}`inverse <vtkmodules.numpy_interface.internal_algorithms.inverse>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.inverse
    :summary:
    ```
* - {py:obj}`jacobian <vtkmodules.numpy_interface.internal_algorithms.jacobian>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.jacobian
    :summary:
    ```
* - {py:obj}`laplacian <vtkmodules.numpy_interface.internal_algorithms.laplacian>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.laplacian
    :summary:
    ```
* - {py:obj}`ln <vtkmodules.numpy_interface.internal_algorithms.ln>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.ln
    :summary:
    ```
* - {py:obj}`log <vtkmodules.numpy_interface.internal_algorithms.log>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.log
    :summary:
    ```
* - {py:obj}`log10 <vtkmodules.numpy_interface.internal_algorithms.log10>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.log10
    :summary:
    ```
* - {py:obj}`max <vtkmodules.numpy_interface.internal_algorithms.max>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.max
    :summary:
    ```
* - {py:obj}`max_angle <vtkmodules.numpy_interface.internal_algorithms.max_angle>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.max_angle
    :summary:
    ```
* - {py:obj}`mag <vtkmodules.numpy_interface.internal_algorithms.mag>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.mag
    :summary:
    ```
* - {py:obj}`mean <vtkmodules.numpy_interface.internal_algorithms.mean>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.mean
    :summary:
    ```
* - {py:obj}`min <vtkmodules.numpy_interface.internal_algorithms.min>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.min
    :summary:
    ```
* - {py:obj}`min_angle <vtkmodules.numpy_interface.internal_algorithms.min_angle>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.min_angle
    :summary:
    ```
* - {py:obj}`norm <vtkmodules.numpy_interface.internal_algorithms.norm>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.norm
    :summary:
    ```
* - {py:obj}`shear <vtkmodules.numpy_interface.internal_algorithms.shear>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.shear
    :summary:
    ```
* - {py:obj}`skew <vtkmodules.numpy_interface.internal_algorithms.skew>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.skew
    :summary:
    ```
* - {py:obj}`strain <vtkmodules.numpy_interface.internal_algorithms.strain>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.strain
    :summary:
    ```
* - {py:obj}`sum <vtkmodules.numpy_interface.internal_algorithms.sum>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.sum
    :summary:
    ```
* - {py:obj}`surface_normal <vtkmodules.numpy_interface.internal_algorithms.surface_normal>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.surface_normal
    :summary:
    ```
* - {py:obj}`trace <vtkmodules.numpy_interface.internal_algorithms.trace>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.trace
    :summary:
    ```
* - {py:obj}`var <vtkmodules.numpy_interface.internal_algorithms.var>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.var
    :summary:
    ```
* - {py:obj}`volume <vtkmodules.numpy_interface.internal_algorithms.volume>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.volume
    :summary:
    ```
* - {py:obj}`vorticity <vtkmodules.numpy_interface.internal_algorithms.vorticity>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.vorticity
    :summary:
    ```
* - {py:obj}`vertex_normal <vtkmodules.numpy_interface.internal_algorithms.vertex_normal>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.vertex_normal
    :summary:
    ```
* - {py:obj}`make_vector <vtkmodules.numpy_interface.internal_algorithms.make_vector>`
  - ```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.make_vector
    :summary:
    ```
````

### API

````{py:function} _cell_derivatives(narray, dataset, attribute_type, filter)
:canonical: vtkmodules.numpy_interface.internal_algorithms._cell_derivatives

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms._cell_derivatives
```
````

````{py:function} _cell_quality(dataset, quality)
:canonical: vtkmodules.numpy_interface.internal_algorithms._cell_quality

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms._cell_quality
```
````

````{py:function} _matrix_math_filter(narray, operation)
:canonical: vtkmodules.numpy_interface.internal_algorithms._matrix_math_filter

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms._matrix_math_filter
```
````

````{py:function} abs(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.abs

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.abs
```
````

````{py:function} all(narray, axis=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.all

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.all
```
````

````{py:function} area(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.area

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.area
```
````

````{py:function} aspect(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.aspect

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.aspect
```
````

````{py:function} aspect_gamma(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.aspect_gamma

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.aspect_gamma
```
````

````{py:function} condition(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.condition

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.condition
```
````

````{py:function} cross(x, y)
:canonical: vtkmodules.numpy_interface.internal_algorithms.cross

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.cross
```
````

````{py:function} curl(narray, dataset=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.curl

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.curl
```
````

````{py:function} divergence(narray, dataset=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.divergence

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.divergence
```
````

````{py:function} det(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.det

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.det
```
````

````{py:function} determinant(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.determinant

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.determinant
```
````

````{py:function} diagonal(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.diagonal

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.diagonal
```
````

````{py:function} dot(a1, a2)
:canonical: vtkmodules.numpy_interface.internal_algorithms.dot

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.dot
```
````

````{py:function} eigenvalue(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.eigenvalue

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.eigenvalue
```
````

````{py:function} eigenvector(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.eigenvector

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.eigenvector
```
````

````{py:function} gradient(narray, dataset=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.gradient

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.gradient
```
````

````{py:function} inv(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.inv

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.inv
```
````

````{py:function} inverse(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.inverse

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.inverse
```
````

````{py:function} jacobian(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.jacobian

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.jacobian
```
````

````{py:function} laplacian(narray, dataset=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.laplacian

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.laplacian
```
````

````{py:function} ln(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.ln

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.ln
```
````

````{py:function} log(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.log

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.log
```
````

````{py:function} log10(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.log10

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.log10
```
````

````{py:function} max(narray, axis=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.max

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.max
```
````

````{py:function} max_angle(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.max_angle

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.max_angle
```
````

````{py:function} mag(a)
:canonical: vtkmodules.numpy_interface.internal_algorithms.mag

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.mag
```
````

````{py:function} mean(narray, axis=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.mean

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.mean
```
````

````{py:function} min(narray, axis=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.min

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.min
```
````

````{py:function} min_angle(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.min_angle

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.min_angle
```
````

````{py:function} norm(a)
:canonical: vtkmodules.numpy_interface.internal_algorithms.norm

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.norm
```
````

````{py:function} shear(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.shear

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.shear
```
````

````{py:function} skew(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.skew

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.skew
```
````

````{py:function} strain(narray, dataset=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.strain

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.strain
```
````

````{py:function} sum(narray, axis=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.sum

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.sum
```
````

````{py:function} surface_normal(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.surface_normal

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.surface_normal
```
````

````{py:function} trace(narray)
:canonical: vtkmodules.numpy_interface.internal_algorithms.trace

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.trace
```
````

````{py:function} var(narray, axis=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.var

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.var
```
````

````{py:function} volume(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.volume

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.volume
```
````

````{py:function} vorticity(narray, dataset=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.vorticity

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.vorticity
```
````

````{py:function} vertex_normal(dataset)
:canonical: vtkmodules.numpy_interface.internal_algorithms.vertex_normal

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.vertex_normal
```
````

````{py:function} make_vector(ax, ay, az=None)
:canonical: vtkmodules.numpy_interface.internal_algorithms.make_vector

```{autodoc2-docstring} vtkmodules.numpy_interface.internal_algorithms.make_vector
```
````