# Trying to solve a second order differential equation. Your advices

**URL:** https://discourse.julialang.org/t/trying-to-solve-a-second-order-differential-equation-your-advices/41162
**Category:** Optimization (Mathematical)
**Created:** [June 10, 2020, 9:04pm UTC](https://discourse.julialang.org/t/trying-to-solve-a-second-order-differential-equation-your-advices/41162 "2020-06-10T21:04:51Z")
**Posts on this page:** 1
**Showing post:** 8

<div class="post-metadata">

### Author: ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)
#### Post date: [June 22, 2020, 12:37am UTC](https://discourse.julialang.org/t/trying-to-solve-a-second-order-differential-equation-your-advices/41162/8 "2020-06-22T00:37:11Z")

</div>

[https://github.com/SciML/DifferentialEquations.jl/issues/393](https://github.com/SciML/DifferentialEquations.jl/issues/393)

It’s hard case because the element type of the array is not well-defined.

---

_[View the full topic](https://discourse.julialang.org/t/trying-to-solve-a-second-order-differential-equation-your-advices/41162)._