# Demo: 4D-variational data assimilation with Tesseract

```{toctree}
:caption: Contents
:maxdepth: 1
:hidden:

data-assimilation-4dvar.ipynb
lorenz_tesseract.md
```

(cards-clickable)=


:::{card} 4D-Variational Data Assimilation for a Chaotic Dynamical System
:link: data-assimilation-4dvar.html

Demo using differentiable Tesseracts to implement a 4D-Var data assimilation scheme
for a chaotic dynamical system
:::

:::{card} Lorenz Tesseract
:link: lorenz_tesseract.html

Detailed implementation of the Lorenz Tesseract used in the 4D-Var demo.
:::