# Getting incremental cost for variables

**URL:** <https://discourse.julialang.org/t/getting-incremental-cost-for-variables/17563>\
**Category:** Optimization (Mathematical)\
**Created:** [November 15, 2018, 3:36pm UTC](https://discourse.julialang.org/t/getting-incremental-cost-for-variables/17563 "2018-11-15T15:36:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rasoul](https://avatars.discourse-cdn.com/v4/letter/r/bb73d2/32.png) [@Rasoul](https://discourse.julialang.org/u/Rasoul)\
**Post date:** [November 15, 2018, 3:36pm UTC](https://discourse.julialang.org/t/getting-incremental-cost-for-variables/17563/1 "2018-11-15T15:36:39Z")

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Can you please let me know how can I get incremental cost associated with variables after solving an optimization problem in Jump? Thanks in advance!

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**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:** [November 15, 2018, 4:09pm UTC](https://discourse.julialang.org/t/getting-incremental-cost-for-variables/17563/2 "2018-11-15T16:09:32Z")

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See `getdual(x)` in the JuMP documentation: [Variables — JuMP -- Julia for Mathematical Optimization 0.18 documentation](http://www.juliaopt.org/JuMP.jl/0.18/refvariable.html?highlight=getdual)