# API Reference

## Functional Interface

```{eval-rst}
.. autofunction:: torch_dxdt.dxdt
```

```{eval-rst}
.. autofunction:: torch_dxdt.dxdt_orders
```

```{eval-rst}
.. autofunction:: torch_dxdt.smooth_x
```

```{eval-rst}
.. autofunction:: torch_dxdt.available_methods
```

## Base Class

```{eval-rst}
.. autoclass:: torch_dxdt.Derivative
   :members:
   :undoc-members:
   :show-inheritance:
```

## Differentiation Methods

### Finite Difference

```{eval-rst}
.. autoclass:: torch_dxdt.FiniteDifference
   :members:
   :undoc-members:
   :show-inheritance:
```

### Savitzky-Golay

```{eval-rst}
.. autoclass:: torch_dxdt.SavitzkyGolay
   :members:
   :undoc-members:
   :show-inheritance:
```

### Spectral

```{eval-rst}
.. autoclass:: torch_dxdt.Spectral
   :members:
   :undoc-members:
   :show-inheritance:
```

### Spline

```{eval-rst}
.. autoclass:: torch_dxdt.Spline
   :members:
   :undoc-members:
   :show-inheritance:
```

### Kernel

```{eval-rst}
.. autoclass:: torch_dxdt.Kernel
   :members:
   :undoc-members:
   :show-inheritance:
```

### Kalman

```{eval-rst}
.. autoclass:: torch_dxdt.Kalman
   :members:
   :undoc-members:
   :show-inheritance:
```

### Whittaker

```{eval-rst}
.. autoclass:: torch_dxdt.Whittaker
   :members:
   :undoc-members:
   :show-inheritance:
```