> For the complete documentation index, see [llms.txt](https://applied-physics.gitbook.io/warp-factory/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://applied-physics.gitbook.io/warp-factory/examples/energy-tensor.md).

# Energy Tensor

With the metric constructed, finding the stress-energy tensor is the next step. In this section, different examples of how to use solve for the stress-energy tensor the methods and limits of the numerical approach.

<table><thead><tr><th width="269" data-type="content-ref">Example</th><th>Description</th></tr></thead><tbody><tr><td><a href="/pages/CEkDtfqyDkbTGqf1cszY">/pages/CEkDtfqyDkbTGqf1cszY</a></td><td>First time working with the stress-energy tensor in Warp Factory. <strong>First-time users start here.</strong></td></tr><tr><td><a href="/pages/1gP8M8gCpuk5d6J0aLzs">/pages/1gP8M8gCpuk5d6J0aLzs</a></td><td>How to work with metrics in reduced dimensions using "Cartoon" methods.</td></tr><tr><td><a href="/pages/6zWs78C6636MmkqAGY3i">/pages/6zWs78C6636MmkqAGY3i</a></td><td>How to use the GPU in computing the stress-energy tensor.</td></tr><tr><td><a href="/pages/IHhrGcu7vsxUemHAnIX7">/pages/IHhrGcu7vsxUemHAnIX7</a></td><td>Working with second or fourth-order solver methods.</td></tr><tr><td><a href="/pages/JAwFqNtq9BgyNFRPCv49">/pages/JAwFqNtq9BgyNFRPCv49</a></td><td>Demonstration of the numerical error sources in the solver.</td></tr></tbody></table>