# Proper coordinates for eval()-method

**URL:** <https://fenicsproject.discourse.group/t/proper-coordinates-for-eval-method/1635>\
**Category:** Uncategorized\
**Created:** [September 26, 2019, 8:00pm UTC](https://fenicsproject.discourse.group/t/proper-coordinates-for-eval-method/1635 "2019-09-26T20:00:09Z")\
**Posts on this page:** 1\
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**Author:** ![pflaume](https://avatars.discourse-cdn.com/v4/letter/p/58f4c7/32.png) [@pflaume](https://fenicsproject.discourse.group/u/pflaume)\
**Post date:** [September 27, 2019, 1:18pm UTC](https://fenicsproject.discourse.group/t/proper-coordinates-for-eval-method/1635/3 "2019-09-27T13:18:28Z")

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I’m sorry I should’ve been more specific; it does indeed work, just as

```
value = u(x,y)

```

but I need a fast way to evaluate u at many points. I really don’t want to loop over the coordinates in plain python and evaluate u pointwise, that would just take way too much time.

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