# Guidance needed for ODE problem
**URL:** https://discourse.julialang.org/t/guidance-needed-for-ode-problem/113956
**Category:** Optimization (Mathematical)
**Created:** [May 7, 2024, 4:27pm UTC](https://discourse.julialang.org/t/guidance-needed-for-ode-problem/113956 "2024-05-07T16:27:24Z")
**Posts on this page:** 3
**Page:** 1
### Author:  [@BALWWE](https://discourse.julialang.org/u/BALWWE)
#### Post date: [May 7, 2024, 4:27pm UTC](https://discourse.julialang.org/t/guidance-needed-for-ode-problem/113956/1 "2024-05-07T16:27:24Z")
to find min time to steer x0=0 to xf=100 for the dynamics x’=y, y’=u-a y-by^2, u= 1, 0, -1, a=b=0.4
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### Author:  [@adienes](https://discourse.julialang.org/u/adienes)
#### Post date: [May 7, 2024, 4:32pm UTC](https://discourse.julialang.org/t/guidance-needed-for-ode-problem/113956/2 "2024-05-07T16:32:28Z")
(I’ve edited your title to be more descriptive; I hope that’s ok)
what have you tried? which packages are you trying to use if any?
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### Author:  [@odow](https://discourse.julialang.org/u/odow)
#### Post date: [May 8, 2024, 8:22pm UTC](https://discourse.julialang.org/t/guidance-needed-for-ode-problem/113956/3 "2024-05-08T20:22:48Z")
Hi @BALWWE, welcome to the forum.
See, for example:
- Tutorials in the JuMP documentation: [Rocket Control · JuMP](https://jump.dev/JuMP.jl/stable/tutorials/nonlinear/rocket_control/)
Or some related packages:
- [GitHub - infiniteopt/InfiniteOpt.jl: An intuitive modeling interface for infinite-dimensional optimization problems.](https://github.com/infiniteopt/InfiniteOpt.jl)
- [GitHub - JuliaControl/ModelPredictiveControl.jl: An open source model predictive control package for Julia.](https://github.com/JuliaControl/ModelPredictiveControl.jl)
- [GitHub - control-toolbox/OptimalControl.jl: Solvers of optimal control problems](https://github.com/control-toolbox/OptimalControl.jl)