# Julia equivalent for python scipy.optimize.fsolve

**URL:** <https://discourse.julialang.org/t/julia-equivalent-for-python-scipy-optimize-fsolve/46139>\
**Category:** General Usage\
**Tags:** package, roots\
**Created:** [September 6, 2020, 12:09pm UTC](https://discourse.julialang.org/t/julia-equivalent-for-python-scipy-optimize-fsolve/46139 "2020-09-06T12:09:12Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![HerAdri](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/heradri/32/5816_2.png) [@HerAdri](https://discourse.julialang.org/u/HerAdri)\
**Post date:** [September 6, 2020, 3:03pm UTC](https://discourse.julialang.org/t/julia-equivalent-for-python-scipy-optimize-fsolve/46139/17 "2020-09-06T15:03:28Z")

</div>

sys := { 3_x + 5_y + 2_z = 12, 2_x + 5_y - 4_z = 9,  
4_x - y + 5_z = -3};

![sys := {3x+5y+2z = 12, 2x+5y-4z = 9, 4x-y+5...](https://global.discourse-cdn.com/julialang/original/3X/7/6/7693684930413bd89a2a91ce58661fce81b7cd75.gif)

> **solve( sys, {x,y,z});**

![{y = 99/37, z = 24/37, x = -33/37}](https://global.discourse-cdn.com/julialang/original/3X/6/8/687133690901ede247436bf87f460143fa365e33.gif)  
Maple will automatically use fractions. However, you can force decimal answers using the evalf command.

> **evalf(%);**

![{y = 2.675675676, z = .6486486486, x = -.8918918919...](https://global.discourse-cdn.com/julialang/original/3X/4/e/4e64968239099c35ae6587a58cfb751641e6afea.gif)

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