# Use the "gradient of unstructured data set" filter to output the vorticity

**URL:** https://discourse.paraview.org/t/use-the-gradient-of-unstructured-data-set-filter-to-output-the-vorticity/6813
**Category:** ParaView Support
**Created:** [March 29, 2021, 7:58am UTC](https://discourse.paraview.org/t/use-the-gradient-of-unstructured-data-set-filter-to-output-the-vorticity/6813 "2021-03-29T07:58:06Z")
**Posts on this page:** 1
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### Author: ![Kenneth\_Moreland](https://discourse.paraview.org/user_avatar/discourse.paraview.org/kenneth_moreland/32/15033_2.png) [@Kenneth\_Moreland](https://discourse.paraview.org/u/Kenneth_Moreland)
#### Post date: [March 29, 2021, 12:00pm UTC](https://discourse.paraview.org/t/use-the-gradient-of-unstructured-data-set-filter-to-output-the-vorticity/6813/2 "2021-03-29T12:00:45Z")

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Please see the following discussion: [Numerics of "Gradient Of Unstructured DataSet" Filter](https://discourse.paraview.org/t/numerics-of-gradient-of-unstructured-dataset-filter/638). It points to the section of code where the gradient in this filter is computed.

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