# `concrete` — Concrete linear operators

## Basic operators

```{eval-rst}
.. autoclass:: aljabr.concrete.Identity
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.Diag
   :members:
   :show-inheritance:
```

## Fourier transforms

```{eval-rst}
.. autoclass:: aljabr.concrete.DFT
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.RealDFT
   :members:
   :show-inheritance:
```

## Convolutions

```{eval-rst}
.. autoclass:: aljabr.concrete.Conv
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.DirectConv
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.FreqFilter
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.CircConv
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.Diff
   :members:
   :show-inheritance:
```

## Other operators

```{eval-rst}
.. autoclass:: aljabr.concrete.Sampling
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.Slice
   :members:
   :show-inheritance:
```

## Wavelet operators

```{eval-rst}
.. autoclass:: aljabr.concrete.DWT
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.Analysis2
   :members:
   :show-inheritance:

.. autoclass:: aljabr.concrete.Synthesis2
   :members:
   :show-inheritance:
```