# \#variable-length

**URL:** https://discourse.julialang.org/tag/variable-length/1421.md

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## [Struggle at using JuMP/MathOptInterface for calculating number of constraints](https://discourse.julialang.org/t/struggle-at-using-jump-mathoptinterface-for-calculating-number-of-constraints/116275)

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**Author:** [@SSGD](https://discourse.julialang.org/u/SSGD)\
**Replies:** 6\
**Last updated:** [June 29, 2024, 4:59pm UTC](https://discourse.julialang.org/t/struggle-at-using-jump-mathoptinterface-for-calculating-number-of-constraints/116275 "2024-06-29T16:59:01Z")

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Hello :smiley: I am using JuMP to solve a chance-constrained optimization, the original package is very old and I met issues of reproducing it. Following is one package I am trying to solve but stuck for more than a we…