# {py:mod}`qcheff.models.duffing.duffing_utils`

```{py:module} qcheff.models.duffing.duffing_utils
```

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils
:allowtitles:
```

## Module Contents

### Classes

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

* - {py:obj}`DuffingOscQubit <qcheff.models.duffing.duffing_utils.DuffingOscQubit>`
  - ```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.DuffingOscQubit
    :summary:
    ```
* - {py:obj}`CoupledDuffingOsc <qcheff.models.duffing.duffing_utils.CoupledDuffingOsc>`
  - ```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc
    :summary:
    ```
````

### Functions

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

* - {py:obj}`create_system_NPAD <qcheff.models.duffing.duffing_utils.create_system_NPAD>`
  - ```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.create_system_NPAD
    :summary:
    ```
* - {py:obj}`qutip2sympy <qcheff.models.duffing.duffing_utils.qutip2sympy>`
  - ```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.qutip2sympy
    :summary:
    ```
````

### API

`````{py:class} DuffingOscQubit
:canonical: qcheff.models.duffing.duffing_utils.DuffingOscQubit

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.DuffingOscQubit
```

````{py:attribute} omega
:canonical: qcheff.models.duffing.duffing_utils.DuffingOscQubit.omega
:type: float
:value: >
   None

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.DuffingOscQubit.omega
```

````

````{py:attribute} alpha
:canonical: qcheff.models.duffing.duffing_utils.DuffingOscQubit.alpha
:type: float
:value: >
   None

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.DuffingOscQubit.alpha
```

````

````{py:attribute} ntrunc
:canonical: qcheff.models.duffing.duffing_utils.DuffingOscQubit.ntrunc
:type: int
:value: >
   'field(...)'

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.DuffingOscQubit.ntrunc
```

````

`````

`````{py:class} CoupledDuffingOsc
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc
```

````{py:attribute} qubit1
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.qubit1
:type: qcheff.models.duffing.duffing_utils.DuffingOscQubit
:value: >
   None

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.qubit1
```

````

````{py:attribute} qubit2
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.qubit2
:type: qcheff.models.duffing.duffing_utils.DuffingOscQubit
:value: >
   None

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.qubit2
```

````

````{py:attribute} g
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.g
:type: float
:value: >
   None

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.g
```

````

````{py:method} delta()
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.delta

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.delta
```

````

````{py:method} Delta()
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.Delta

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.Delta
```

````

````{py:method} E2()
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.E2

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.E2
```

````

````{py:method} c01()
:canonical: qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.c01

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.CoupledDuffingOsc.c01
```

````

`````

````{py:function} create_system_NPAD(detuning: float, ntrunc: int = 3, alpha1: float = -0.3, alpha2: float = -0.3, g: float = 0.1) -> qcheff.models.duffing.duffing_utils.CoupledDuffingOsc
:canonical: qcheff.models.duffing.duffing_utils.create_system_NPAD

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.create_system_NPAD
```
````

````{py:function} qutip2sympy(op: qutip.Qobj)
:canonical: qcheff.models.duffing.duffing_utils.qutip2sympy

```{autodoc2-docstring} qcheff.models.duffing.duffing_utils.qutip2sympy
```
````