# \#singularity

**URL:** https://fenicsproject.discourse.group/tag/singularity/13.md

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## [SLEPc gives indefinite matrix error](https://fenicsproject.discourse.group/t/slepc-gives-indefinite-matrix-error/14137)

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**Author:** [@jedi](https://fenicsproject.discourse.group/u/jedi)\
**Replies:** 0\
**Last updated:** [April 5, 2024, 9:03pm UTC](https://fenicsproject.discourse.group/t/slepc-gives-indefinite-matrix-error/14137 "2024-04-05T21:03:31Z")

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Hello again After some much apprciated assistance on this discussion, I have managed to get a Microstrip line eigenvalue solver. Ignoring all the hard stuff ahead of me (calculating H-fields, impedances, etc.), I rushe…

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## [Error in fenics installation on a Singularity container](https://fenicsproject.discourse.group/t/error-in-fenics-installation-on-a-singularity-container/1261)

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**Author:** [@bhaveshshrimali](https://fenicsproject.discourse.group/u/bhaveshshrimali)\
**Replies:** 19\
**Last updated:** [February 27, 2024, 1:55pm UTC](https://fenicsproject.discourse.group/t/error-in-fenics-installation-on-a-singularity-container/1261 "2024-02-27T13:55:09Z")

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I am trying to build a Singularity container with FEniCS installed, specifically for deploying on a HPC cluster here. Although there are existing docker images already available, I wanted to configure the container with …