# Starter example in JuMP

**URL:** <https://discourse.julialang.org/t/starter-example-in-jump/75570>\
**Category:** Optimization (Mathematical)\
**Tags:** jump\
**Created:** [February 1, 2022, 11:08am UTC](https://discourse.julialang.org/t/starter-example-in-jump/75570 "2022-02-01T11:08:51Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![lawless-m](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/lawless-m/32/30869_2.png) [@lawless-m](https://discourse.julialang.org/u/lawless-m)\
**Post date:** [February 1, 2022, 1:56pm UTC](https://discourse.julialang.org/t/starter-example-in-jump/75570/4 "2022-02-01T13:56:58Z")

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I don’t actually know if it is a version problem

Although 1.5.3 is no longer maintained.

Anyway, upgrading a whole Julia instance is not so simple as “upgrade”

There are quote a few discussions here on Discourse about it

e.g.

> [@Is there a simple Julia upgrade command?](https://discourse.julialang.org/t/is-there-a-simple-julia-upgrade-command/45691/24):
>
> Five minutes of efficiently doing exactly the right things translates to half an hour of googling and swearing, and reading the documentation of symlinks, and searching through the forum after half-remembered advice on package copying. I sometimes postpone updating for weeks or months because of this. Doing something Julia update, is an incredible improvement.

tbh. I use Projects so I am used to regularly installing a bunch of packages for each project as I use it, it’s not so bad

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