# {py:mod}`qcheff.operators.dense_operator`

```{py:module} qcheff.operators.dense_operator
```

```{autodoc2-docstring} qcheff.operators.dense_operator
:allowtitles:
```

## Module Contents

### Classes

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

* - {py:obj}`DenseOperator <qcheff.operators.dense_operator.DenseOperator>`
  - ```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator
    :summary:
    ```
````

### API

`````{py:class} DenseOperator
:canonical: qcheff.operators.dense_operator.DenseOperator

Bases: {py:obj}`qcheff.operators.operator_base.OperatorMatrix`

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator
```

````{py:attribute} op
:canonical: qcheff.operators.dense_operator.DenseOperator.op
:type: qcheff.operators.operator_base.qcheff_dense_array
:value: >
   None

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.op
```

````

````{py:attribute} backend_module
:canonical: qcheff.operators.dense_operator.DenseOperator.backend_module
:type: types.ModuleType
:value: >
   'field(...)'

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.backend_module
```

````

````{py:method} save(filename: str) -> None
:canonical: qcheff.operators.dense_operator.DenseOperator.save

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.save
```

````

````{py:method} load(filename: str) -> qcheff.operators.dense_operator.DenseOperator
:canonical: qcheff.operators.dense_operator.DenseOperator.load
:classmethod:

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.load
```

````

````{py:method} to(backend: str) -> None
:canonical: qcheff.operators.dense_operator.DenseOperator.to

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.to
```

````

````{py:method} diagonals() -> qcheff.operators.operator_base.qcheff_dense_array
:canonical: qcheff.operators.dense_operator.DenseOperator.diagonals

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.diagonals
```

````

````{py:method} couplings() -> qcheff.operators.operator_base.qcheff_dense_array
:canonical: qcheff.operators.dense_operator.DenseOperator.couplings

```{autodoc2-docstring} qcheff.operators.dense_operator.DenseOperator.couplings
```

````

`````