# \#bifurcationkit

**URL:** https://discourse.julialang.org/tag/bifurcationkit/1769.md

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## [Continuing a periodic orbit with bifurcationkit from an orbit guess](https://discourse.julialang.org/t/continuing-a-periodic-orbit-with-bifurcationkit-from-an-orbit-guess/134506)

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**Author:** [@ole-sc](https://discourse.julialang.org/u/ole-sc)\
**Replies:** 2\
**Last updated:** [December 12, 2025, 9:57am UTC](https://discourse.julialang.org/t/continuing-a-periodic-orbit-with-bifurcationkit-from-an-orbit-guess/134506 "2025-12-12T09:57:32Z")

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I am trying to continue an unstable periodic orbit of a 3-dimensional ODE using BifurcationKit. I found the limit cycle using AUTO, so I know an initial condition on the periodic orbit and the period for some parameters. …

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## [Only trivial solution in BifurcationKit](https://discourse.julialang.org/t/only-trivial-solution-in-bifurcationkit/132391)

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**Author:** [@acubed](https://discourse.julialang.org/u/acubed)\
**Replies:** 13\
**Last updated:** [September 22, 2025, 9:09pm UTC](https://discourse.julialang.org/t/only-trivial-solution-in-bifurcationkit/132391 "2025-09-22T21:09:03Z")

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I try to investigate pitchfork bifurcation, using the BifurcationKit. My problem looks as follow. I start from some definitions: ND = 500 dx = 1.0/ND x = collect(1:ND)\*dx.-dx/2 J = +1.0 beta0 = 0.1 u0 = 0.01\*ones(Float…

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## [Bifurcation Analysis of large nonlinear system](https://discourse.julialang.org/t/bifurcation-analysis-of-large-nonlinear-system/132184)

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**Author:** [@AlirezaMiraliakbar](https://discourse.julialang.org/u/AlirezaMiraliakbar)\
**Replies:** 4\
**Last updated:** [September 8, 2025, 4:35pm UTC](https://discourse.julialang.org/t/bifurcation-analysis-of-large-nonlinear-system/132184 "2025-09-08T16:35:52Z")

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Hi, I am new to Julia and BifurcationKit. I am trying to perform a bifurcation analysis for a kinetic model I am using to model a chemical plant. The plant’s nonlinear algebraic system of equation is quite large with 67 …

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## [Importing \`DifferentialEquations\` and \`BifurcationKit\` together unpredictably fails](https://discourse.julialang.org/t/importing-differentialequations-and-bifurcationkit-together-unpredictably-fails/130831)

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**Author:** [@lpz18](https://discourse.julialang.org/u/lpz18)\
**Replies:** 5\
**Last updated:** [July 19, 2025, 3:36pm UTC](https://discourse.julialang.org/t/importing-differentialequations-and-bifurcationkit-together-unpredictably-fails/130831 "2025-07-19T15:36:09Z")

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Importing DifferentialEquations and BifurcationKit together unpredictably fails. I have 3 pluto notebooks: a new one (A), an “intermediate” one (B), and an old one (C) The notebooks import many packages but I isolated …

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## [BifurcationKit - Error using continuation()](https://discourse.julialang.org/t/bifurcationkit-error-using-continuation/130737)

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**Author:** [@jackwoodruff](https://discourse.julialang.org/u/jackwoodruff)\
**Replies:** 2\
**Last updated:** [July 15, 2025, 11:11am UTC](https://discourse.julialang.org/t/bifurcationkit-error-using-continuation/130737 "2025-07-15T11:11:36Z")

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Hello, I am new to Julia and trying to use BifurcationKit to do some continuation analysis. However, I have yet to get it working for my system of ODEs. Having debugged a few errors, I am now getting this one that I cann…

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## [Bifurcation diagram 2D reaction diffusion type system on GPU](https://discourse.julialang.org/t/bifurcation-diagram-2d-reaction-diffusion-type-system-on-gpu/128490)

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**Author:** [@mellever](https://discourse.julialang.org/u/mellever)\
**Replies:** 5\
**Last updated:** [June 25, 2025, 9:48am UTC](https://discourse.julialang.org/t/bifurcation-diagram-2d-reaction-diffusion-type-system-on-gpu/128490 "2025-06-25T09:48:56Z")

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Hi all, This is my first time posting, so forgive me if I am not following the proper etiquette. I am currently working on computing bifurcation diagrams of 2D reaction diffusion type models (e.g. Brusselator model) wi…

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## [BifurcationKit nd point periodic orbit](https://discourse.julialang.org/t/bifurcationkit-nd-point-periodic-orbit/129384)

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**Author:** [@Mehmet\_On](https://discourse.julialang.org/u/Mehmet_On)\
**Replies:** 2\
**Last updated:** [May 28, 2025, 9:58am UTC](https://discourse.julialang.org/t/bifurcationkit-nd-point-periodic-orbit/129384 "2025-05-28T09:58:32Z")

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Hello, I am new to Julia and BifurcationKit.jl. I would like to simulate a model, 6 differential equations, 4 complex 2 real variables. Because I am new, I started from a simplified version, 2 equations, 2 complex variab…

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## [Continuation of Equilibria with Bifurcation Kit - model specific issue or wrong initial conditions?](https://discourse.julialang.org/t/continuation-of-equilibria-with-bifurcation-kit-model-specific-issue-or-wrong-initial-conditions/129277)

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**Author:** [@AP9](https://discourse.julialang.org/u/AP9)\
**Replies:** 3\
**Last updated:** [May 26, 2025, 6:21pm UTC](https://discourse.julialang.org/t/continuation-of-equilibria-with-bifurcation-kit-model-specific-issue-or-wrong-initial-conditions/129277 "2025-05-26T18:21:36Z")

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I am using BifurcationKit.jl to analyze the steady states of my system varying a parameter A. In the figure, the bifurcation diagram predicts a stable steady state before the first Hopf bifurcation. However, when I plot …

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## [Saving Codim-2 data](https://discourse.julialang.org/t/saving-codim-2-data/128564)

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**Author:** [@iclo3](https://discourse.julialang.org/u/iclo3)\
**Replies:** 2\
**Last updated:** [May 5, 2025, 9:28am UTC](https://discourse.julialang.org/t/saving-codim-2-data/128564 "2025-05-05T09:28:59Z")

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Hi, I want to save the output of my Codim-2 continuation as a csv or txt file. codim2\_a2 = continuation(br, 2, (@optic \_.a2), ContinuationPar(opts\_br, p\_min = 0.0, p\_max = 1000.0, dsmin = 1e-6, max\_steps = 1e8, tol…

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## [Parsing lens for codim2 bifurcation](https://discourse.julialang.org/t/parsing-lens-for-codim2-bifurcation/127710)

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**Author:** [@iclo3](https://discourse.julialang.org/u/iclo3)\
**Replies:** 6\
**Last updated:** [April 7, 2025, 12:42pm UTC](https://discourse.julialang.org/t/parsing-lens-for-codim2-bifurcation/127710 "2025-04-07T12:42:02Z")

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Hi, I’m trying to perform a codimension2 continuation of a SN point, but I’m runnning into errors with parsing lens. I’ve continued the initial equilibrium solution for parameter A1, found some bifurcation points. Now I …

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## [Detecting pitchfork bifurcations from side branch](https://discourse.julialang.org/t/detecting-pitchfork-bifurcations-from-side-branch/127558)

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**Author:** [@danielwe](https://discourse.julialang.org/u/danielwe)\
**Replies:** 4\
**Last updated:** [April 2, 2025, 8:37pm UTC](https://discourse.julialang.org/t/detecting-pitchfork-bifurcations-from-side-branch/127558 "2025-04-02T20:37:52Z")

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@rveltz Is BifurcationKit.jl capable of detecting a pitchfork bifurcation when the continuation approaches along a side branch? I always use detect\_bifurcation=3 as you suggested on slack, and have spent more time than I…