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Update for OrdinaryDiffEq v7 / DifferentialEquations v8 #3

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Merged
tobydriscoll merged 2 commits into from
May 4, 2026
Merged

Update for OrdinaryDiffEq v7 / DifferentialEquations v8 #3

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e264bdf
update for OrdinaryDiffEq v7 / DifferentialEquations v8
ChrisRackauckas May 4, 2026
58faadf
keep BVP link pointing at the DiffEq docs
ChrisRackauckas May 4, 2026
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2 changes: 1 addition & 1 deletion Project.toml
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Expand Up @@ -37,7 +37,7 @@ TestImages = "5e47fb64-e119-507b-a336-dd2b206d9990"
[compat]
Arpack = "0.5"
Dierckx = "0.5"
DifferentialEquations = "7.15"
DifferentialEquations = "7.15, 8"

@ChrisRackauckas ChrisRackauckas May 4, 2026

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Both versions are still supported.

FFTW = "1.8"
FileIO = "1.16"
GraphRecipes = "0.5"
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2 changes: 1 addition & 1 deletion README.md
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Expand Up @@ -90,7 +90,7 @@ These codes are for instructional purposes. They are not recommended for applica
| Integration | [QuadGK](https://juliamath.github.io/QuadGK.jl/stable/) |
| Spline | [Dierckx](https://github.com/kbarbary/Dierckx.jl) |
| [Initial-value problem](https://diffeq.sciml.ai/latest/tutorials/ode_example/#ode_example) | [DifferentialEquations](https://diffeq.sciml.ai/latest/) |
| [Boundary-value problem](https://diffeq.sciml.ai/latest/tutorials/bvp_example/#Boundary-Value-Problems) | [DifferentialEquations](https://diffeq.sciml.ai/latest/) |
| [Boundary-value problem](https://diffeq.sciml.ai/latest/tutorials/bvp_example/#Boundary-Value-Problems) | [BoundaryValueDiffEq](https://diffeq.sciml.ai/latest/) |

@ChrisRackauckas ChrisRackauckas May 4, 2026

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The other BVP docs are sub-docs here, so the full thing is better. Therefore this is good.

| Method of lines | [MethodOfLines](https://methodoflines.sciml.ai/dev/) (still under development) |


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2 changes: 1 addition & 1 deletion src/chapter10.jl
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Expand Up @@ -17,7 +17,7 @@ function shoot(ϕ,xspan,g₁,g₂,init,tol=1e-5)
IVP = ODEProblem(shootivp,s,float.(xspan))
sol = solve(IVP,Tsit5(),abstol=tol/10,reltol=tol/10)
x = sol.t; y = sol;
return [g₁(s...),g₂(y[end]...)]
return [g₁(s...),g₂(y.u[end]...)]

@ChrisRackauckas ChrisRackauckas May 4, 2026

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You probably shouldn't splat for performance, but this at least matches before.

end

# Find the unknown quantity at x=a by rootfinding.
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