# Can I get variable value during the optimization JuMP.value?

**URL:** <https://discourse.julialang.org/t/can-i-get-variable-value-during-the-optimization-jump-value/26474>\
**Category:** Specific Domains\
**Tags:** question, jump\
**Created:** [July 17, 2019, 6:22pm UTC](https://discourse.julialang.org/t/can-i-get-variable-value-during-the-optimization-jump-value/26474 "2019-07-17T18:22:41Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![faoh](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/faoh/32/9483_2.png) [@faoh](https://discourse.julialang.org/u/faoh)\
**Post date:** [July 17, 2019, 6:22pm UTC](https://discourse.julialang.org/t/can-i-get-variable-value-during-the-optimization-jump-value/26474/1 "2019-07-17T18:22:41Z")

</div>

I want to get variables’ value and use it in objective function during the optimization.  
When I try JuMP.value(), it shows NoOptimizer(). But the Optimizer is defined in the main function.  
Is there anyway that I can get variables’ value in objective function during the optimization?

Thanks a lot!

---

<div class="post-metadata">

**Author:** ![odow](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/odow/32/28685_2.png) [@odow](https://discourse.julialang.org/u/odow)\
**Post date:** [July 17, 2019, 6:44pm UTC](https://discourse.julialang.org/t/can-i-get-variable-value-during-the-optimization-jump-value/26474/2 "2019-07-17T18:44:00Z")

</div>

Please read [Please read: make it easier to help you](https://discourse.julialang.org/t/psa-make-it-easier-to-help-you/14757) and provide a minimum working example.

---

<div class="post-metadata">

**Author:** ![faoh](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/faoh/32/9483_2.png) [@faoh](https://discourse.julialang.org/u/faoh)\
**Post date:** [July 17, 2019, 6:50pm UTC](https://discourse.julialang.org/t/can-i-get-variable-value-during-the-optimization-jump-value/26474/3 "2019-07-17T18:50:55Z")

</div>

Thanks for reminding this! I will update my question.