# Gettting RHS range for shadow prices

**URL:** <https://discourse.julialang.org/t/gettting-rhs-range-for-shadow-prices/16026>\
**Category:** Optimization (Mathematical)\
**Created:** [October 8, 2018, 3:23pm UTC](https://discourse.julialang.org/t/gettting-rhs-range-for-shadow-prices/16026 "2018-10-08T15:23:40Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Prashant\_Chintapalli](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/prashant_chintapalli/32/9539_2.png) [@Prashant\_Chintapalli](https://discourse.julialang.org/u/Prashant_Chintapalli)\
**Post date:** [October 8, 2018, 3:23pm UTC](https://discourse.julialang.org/t/gettting-rhs-range-for-shadow-prices/16026/1 "2018-10-08T15:23:40Z")

</div>

Hi,

I am using getdual() function to fetch the shadow prices. However, I am unable to find a function to get the range of RHS of the constraints for which the shadow prices are valid. Does any one know about such a function?

Thanks,  
Prashant