# Explicitly assembling matrices with dolfinx\_mpc

**URL:** <https://fenicsproject.discourse.group/t/explicitly-assembling-matrices-with-dolfinx-mpc/11122>\
**Category:** General\
**Created:** [May 8, 2023, 11:38am UTC](https://fenicsproject.discourse.group/t/explicitly-assembling-matrices-with-dolfinx-mpc/11122 "2023-05-08T11:38:53Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![BillS](https://avatars.discourse-cdn.com/v4/letter/b/9fc348/32.png) [@BillS](https://fenicsproject.discourse.group/u/BillS)\
**Post date:** [May 8, 2023, 3:00pm UTC](https://fenicsproject.discourse.group/t/explicitly-assembling-matrices-with-dolfinx-mpc/11122/7 "2023-05-08T15:00:43Z")

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Could be!

I installed using the Ubuntu apt command

`sudo apt install python3-dolfinx-mpc`

Perhaps it installed the real version. How do I get it to install the complex version?

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