# Applying a constraint using a Lagrange multiplier dolfinx

**URL:** <https://fenicsproject.discourse.group/t/applying-a-constraint-using-a-lagrange-multiplier-dolfinx/4523>\
**Category:** dolfinx\
**Created:** [November 11, 2020, 6:58pm UTC](https://fenicsproject.discourse.group/t/applying-a-constraint-using-a-lagrange-multiplier-dolfinx/4523 "2020-11-11T18:58:56Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![mscroggs](https://yyz2.discourse-cdn.com/free1/user_avatar/fenicsproject.discourse.group/mscroggs/32/757_2.png) [@mscroggs](https://fenicsproject.discourse.group/u/mscroggs)\
**Post date:** [July 11, 2022, 10:04am UTC](https://fenicsproject.discourse.group/t/applying-a-constraint-using-a-lagrange-multiplier-dolfinx/4523/4 "2022-07-11T10:04:37Z")

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Good news: @jackhale has been working on Real spaces and there’s a now a PR open that adds support for them to DOLFINx ([Add Real Space by jhale · Pull Request #2266 · FEniCS/dolfinx · GitHub](https://github.com/FEniCS/dolfinx/pull/2266))

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