# Create three variational formulation with mixed finite element

**URL:** <https://community.freefem.org/t/create-three-variational-formulation-with-mixed-finite-element/1850>\
**Category:** General Discussion\
**Created:** [June 26, 2022, 5:32am UTC](https://community.freefem.org/t/create-three-variational-formulation-with-mixed-finite-element/1850 "2022-06-26T05:32:18Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Qianrui](https://avatars.discourse-cdn.com/v4/letter/q/9fc348/32.png) [@Qianrui](https://community.freefem.org/u/Qianrui)\
**Post date:** [June 26, 2022, 5:32am UTC](https://community.freefem.org/t/create-three-variational-formulation-with-mixed-finite-element/1850/1 "2022-06-26T05:32:18Z")

</div>

Hello, can the mixed finite element be written in the form of variation(the command

> varf Possion(u,v)

)？