# {py:mod}`qcheff.magnus.utils_gpu`

```{py:module} qcheff.magnus.utils_gpu
```

```{autodoc2-docstring} qcheff.magnus.utils_gpu
:allowtitles:
```

## Module Contents

### Functions

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

* - {py:obj}`matrix_power_two_batch <qcheff.magnus.utils_gpu.matrix_power_two_batch>`
  - ```{autodoc2-docstring} qcheff.magnus.utils_gpu.matrix_power_two_batch
    :summary:
    ```
* - {py:obj}`expm_taylor <qcheff.magnus.utils_gpu.expm_taylor>`
  - ```{autodoc2-docstring} qcheff.magnus.utils_gpu.expm_taylor
    :summary:
    ```
* - {py:obj}`taylor_approx <qcheff.magnus.utils_gpu.taylor_approx>`
  - ```{autodoc2-docstring} qcheff.magnus.utils_gpu.taylor_approx
    :summary:
    ```
* - {py:obj}`differential <qcheff.magnus.utils_gpu.differential>`
  - ```{autodoc2-docstring} qcheff.magnus.utils_gpu.differential
    :summary:
    ```
````

### Data

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

* - {py:obj}`degs <qcheff.magnus.utils_gpu.degs>`
  - ```{autodoc2-docstring} qcheff.magnus.utils_gpu.degs
    :summary:
    ```
* - {py:obj}`thetas_dict <qcheff.magnus.utils_gpu.thetas_dict>`
  - ```{autodoc2-docstring} qcheff.magnus.utils_gpu.thetas_dict
    :summary:
    ```
````

### API

````{py:data} degs
:canonical: qcheff.magnus.utils_gpu.degs
:value: >
   [1, 2, 4, 8, 12, 18]

```{autodoc2-docstring} qcheff.magnus.utils_gpu.degs
```

````

````{py:data} thetas_dict
:canonical: qcheff.magnus.utils_gpu.thetas_dict
:value: >
   None

```{autodoc2-docstring} qcheff.magnus.utils_gpu.thetas_dict
```

````

````{py:function} matrix_power_two_batch(A, k)
:canonical: qcheff.magnus.utils_gpu.matrix_power_two_batch

```{autodoc2-docstring} qcheff.magnus.utils_gpu.matrix_power_two_batch
```
````

````{py:function} expm_taylor(A)
:canonical: qcheff.magnus.utils_gpu.expm_taylor

```{autodoc2-docstring} qcheff.magnus.utils_gpu.expm_taylor
```
````

````{py:function} taylor_approx(A, deg)
:canonical: qcheff.magnus.utils_gpu.taylor_approx

```{autodoc2-docstring} qcheff.magnus.utils_gpu.taylor_approx
```
````

````{py:function} differential(A, E, f)
:canonical: qcheff.magnus.utils_gpu.differential

```{autodoc2-docstring} qcheff.magnus.utils_gpu.differential
```
````