# Discourse Help

**URL:** https://bempp.discourse.group/c/discourse-help/6.md

[Latest](https://bempp.discourse.group/latest.md) · [Categories](https://bempp.discourse.group/categories.md)

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## [About the Discourse Help category](https://bempp.discourse.group/t/about-the-discourse-help-category/21)

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**Author:** [@mscroggs](https://bempp.discourse.group/u/mscroggs)\
**Replies:** 0

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This category is for discussion of the Discourse forum itself.

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## [How can I use a bempp operator's tangential as a new operator?](https://bempp.discourse.group/t/how-can-i-use-a-bempp-operators-tangential-as-a-new-operator/217)

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**Author:** [@zbl](https://bempp.discourse.group/u/zbl)\
**Replies:** 1\
**Last updated:** [26 October 2023 08:45 UTC](https://bempp.discourse.group/t/how-can-i-use-a-bempp-operators-tangential-as-a-new-operator/217 "2023-10-26T08:45:22Z")

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The integral equation I want to solve is: lhs=0.5\*Id+cross(n,E) rhs=know The “cross()” above means the vector’s cross product, and the vector ‘n’ is the unit normal vector upon the surface of the target. Moreover, the…

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## [How to get your question answered](https://bempp.discourse.group/t/how-to-get-your-question-answered/15)

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**Author:** [@mscroggs](https://bempp.discourse.group/u/mscroggs)\
**Replies:** 0\
**Last updated:** [15 September 2020 16:33 UTC](https://bempp.discourse.group/t/how-to-get-your-question-answered/15 "2020-09-15T16:33:50Z")

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:bempp: Welcome Welcome to the Bempp Discourse. Before asking your first question, we recommend that you read this guide. Following the guidance here will make it more likely that you get a useful answer to your questio…