# \#events

**URL:** https://discourse.julialang.org/tag/events/625.md

[Latest](https://discourse.julialang.org/latest.md) · [Categories](https://discourse.julialang.org/categories.md) · [Tags](https://discourse.julialang.org/tags.md)

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## [Parameter sensitivity of ODE with parameter-dependent event](https://discourse.julialang.org/t/parameter-sensitivity-of-ode-with-parameter-dependent-event/103602)

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**Author:** [@Neodym](https://discourse.julialang.org/u/Neodym)\
**Replies:** 4\
**Last updated:** [February 2, 2026, 11:28am UTC](https://discourse.julialang.org/t/parameter-sensitivity-of-ode-with-parameter-dependent-event/103602 "2026-02-02T11:28:17Z")

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Hey, I’m trying to get parameter sensitivities of an ODE problem with a parameter-dependent time-event. Just throwing AD at the problem doesn’t seem to work: using OrdinaryDiffEq using SciMLSensitivity using ForwardDi…

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## [Large allocations with MTK event](https://discourse.julialang.org/t/large-allocations-with-mtk-event/133680)

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**Author:** [@klinders](https://discourse.julialang.org/u/klinders)\
**Replies:** 1\
**Last updated:** [November 5, 2025, 11:35pm UTC](https://discourse.julialang.org/t/large-allocations-with-mtk-event/133680 "2025-11-05T23:35:22Z")

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Dear all, Recently, you helped me get events working in MTK. Thank you for all the help! Continuing on the topic, I ran into a performance issue with events. I have the following code to measure the time and allocation…

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## [Terminate simulation on event using ModelingToolkit](https://discourse.julialang.org/t/terminate-simulation-on-event-using-modelingtoolkit/133243)

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**Author:** [@klinders](https://discourse.julialang.org/u/klinders)\
**Replies:** 4\
**Last updated:** [November 5, 2025, 10:57am UTC](https://discourse.julialang.org/t/terminate-simulation-on-event-using-modelingtoolkit/133243 "2025-11-05T10:57:05Z")

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Hi all, First of all, thank you all for your immense efforts on Julia and ModelingToolkit. I’ve been using it for over 2 years and I keep being impressed with the power and capabilities. I’m trying to terminate an MTK …

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## [New Julia HPC Call on second Thursday of the month](https://discourse.julialang.org/t/new-julia-hpc-call-on-second-thursday-of-the-month/114961)

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**Author:** [@giordano](https://discourse.julialang.org/u/giordano)\
**Replies:** 2\
**Last updated:** [May 7, 2025, 9:55pm UTC](https://discourse.julialang.org/t/new-julia-hpc-call-on-second-thursday-of-the-month/114961 "2025-05-07T21:55:05Z")

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As announced in the poll we launched last month, in order to cater for more people across the globe we’re starting an additional time for the Julia HPC call: second Thursday of the month, at 13:00 British Time/14:00 Cent…

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## [Events seemingly ignored in system model](https://discourse.julialang.org/t/events-seemingly-ignored-in-system-model/121605)

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**Author:** [@jmaedler](https://discourse.julialang.org/u/jmaedler)\
**Replies:** 1\
**Last updated:** [October 22, 2024, 10:47pm UTC](https://discourse.julialang.org/t/events-seemingly-ignored-in-system-model/121605 "2024-10-22T22:47:34Z")

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Hi guys, I am running into an issue simulating a system model. Fundamentally it is two valves in sequence between two pressure sources. This is a test for the valve models which should allow these scenarios for a virtua…

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## [JuliaHealth Warsaw Workshop 🇵🇱 : Monday, July 15th 2024](https://discourse.julialang.org/t/juliahealth-warsaw-workshop-monday-july-15th-2024/116487)

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**Author:** [@TheCedarPrince](https://discourse.julialang.org/u/TheCedarPrince)\
**Replies:** 4\
**Last updated:** [July 15, 2024, 8:00am UTC](https://discourse.julialang.org/t/juliahealth-warsaw-workshop-monday-july-15th-2024/116487 "2024-07-15T08:00:49Z")

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Hi everyone, With a huge thank you to Dr. @Jakub\_Mitura, I am pleased to announce that I will be visiting the National Information Processing Institute in Warsaw, Poland to give a small workshop on Julia and JuliaHealth…

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## [Parameters modified by events are not captured in ODE the solution](https://discourse.julialang.org/t/parameters-modified-by-events-are-not-captured-in-ode-the-solution/114592)

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**Author:** [@valerdam](https://discourse.julialang.org/u/valerdam)\
**Replies:** 1\
**Last updated:** [May 23, 2024, 9:23pm UTC](https://discourse.julialang.org/t/parameters-modified-by-events-are-not-captured-in-ode-the-solution/114592 "2024-05-23T21:23:23Z")

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It seems that parameters modified by callback events are not captured as time dependent in the ODE solution. Using a slight modification of the example in here, parameter k changes from 1.0 to 5.0 at time t=5. However t…

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## [Poll: planning new Julia HPC Call](https://discourse.julialang.org/t/poll-planning-new-julia-hpc-call/113495)

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**Author:** [@giordano](https://discourse.julialang.org/u/giordano)\
**Replies:** 0\
**Last updated:** [April 25, 2024, 10:50am UTC](https://discourse.julialang.org/t/poll-planning-new-julia-hpc-call/113495 "2024-04-25T10:50:35Z")

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The Julia HPC call doubles! The Julia HPC community runs a monthly call (see the Julia community calendar), on the fourth Tuesday of the month, to gather people interested in using Julia in the HPC domain, answer questio…

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## [Bioinference conference 2024: Call for Abstract & Registration](https://discourse.julialang.org/t/bioinference-conference-2024-call-for-abstract-registration/108614)

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**Author:** [@Yongchao](https://discourse.julialang.org/u/Yongchao)\
**Replies:** 0\
**Last updated:** [January 10, 2024, 10:49am UTC](https://discourse.julialang.org/t/bioinference-conference-2024-call-for-abstract-registration/108614 "2024-01-10T10:49:10Z")

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BioInference 2024: save the date and call for abstract The BioInference 2024 conference (2024 Conference - BioInference) is taking place at the University of Warwick on the 5th-7th June 2024, and it will combine a data-…

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## [Bayesian Data Analysis Meetup on January 26, 2024 @ 6:30pm](https://discourse.julialang.org/t/bayesian-data-analysis-meetup-on-january-26-2024-6-30pm/108753)

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**Author:** [@bparbhu](https://discourse.julialang.org/u/bparbhu)\
**Replies:** 2\
**Last updated:** [January 21, 2024, 11:11pm UTC](https://discourse.julialang.org/t/bayesian-data-analysis-meetup-on-january-26-2024-6-30pm/108753 "2024-01-21T23:11:09Z")

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Hi All, So on Friday January 26th, I’ll be hosting the first Bayesian Data Analysis Meetup for 2024. Our speaker will be Brian Ward from the Flatiron Institute, who will be giving a talk on BridgeStan, the newest in-mem…

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## [Customizing Makie rectangle zoom mouse interaction and axis limits](https://discourse.julialang.org/t/customizing-makie-rectangle-zoom-mouse-interaction-and-axis-limits/104448)

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**Author:** [@oscarvdvelde](https://discourse.julialang.org/u/oscarvdvelde)\
**Replies:** 8\
**Last updated:** [October 21, 2023, 3:47pm UTC](https://discourse.julialang.org/t/customizing-makie-rectangle-zoom-mouse-interaction-and-axis-limits/104448 "2023-10-21T15:47:52Z")

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I am trying to create a Makie dashboard where several axes (e.g. x-y, t-z) with the same data points will update simultaneously based on the mouse selection of data in any of the axes. I made an observable, selection\[\],…

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## [Call for Participation: PackagingCon 2023, 26-28 October, Berlin & Virtual](https://discourse.julialang.org/t/call-for-participation-packagingcon-2023-26-28-october-berlin-virtual/102093)

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**Author:** [@tnabtaf](https://discourse.julialang.org/u/tnabtaf)\
**Replies:** 3\
**Last updated:** [September 8, 2023, 8:05am UTC](https://discourse.julialang.org/t/call-for-participation-packagingcon-2023-26-28-october-berlin-virtual/102093 "2023-09-08T08:05:20Z")

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PackagingCon 2023 26-28th October Berlin and online Submission deadline: 31st July Early registration ends: 8th September PackagingCon 2023 will bring together different software packaging ecosystems to share best…

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## [Julia Event Calendar 📅](https://discourse.julialang.org/t/julia-event-calendar/102870)

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**Author:** [@Steven\_Kell](https://discourse.julialang.org/u/Steven_Kell)\
**Replies:** 3\
**Last updated:** [August 16, 2023, 6:56pm UTC](https://discourse.julialang.org/t/julia-event-calendar/102870 "2023-08-16T18:56:52Z")

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The Julia Community has a shared calendar for all upcoming global events. If you are an event organizer, please email us with the details so they can be added to the calendar. The Julia community also has \[local meetups …

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## [ODE terms dependent on time of events](https://discourse.julialang.org/t/ode-terms-dependent-on-time-of-events/88962)

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**Author:** [@KalelR](https://discourse.julialang.org/u/KalelR)\
**Replies:** 5\
**Last updated:** [October 27, 2022, 10:13am UTC](https://discourse.julialang.org/t/ode-terms-dependent-on-time-of-events/88962 "2022-10-27T10:13:26Z")

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Hey there I would like some advice for implementing efficient code for a spiking neuron network with coupling that depends on spike times. When a neuron in the model spikes (one of its variables, the membrane potential,…

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## [Multiple Condition for DifferentialEquations callback](https://discourse.julialang.org/t/multiple-condition-for-differentialequations-callback/89308)

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**Author:** [@pimler73](https://discourse.julialang.org/u/pimler73)\
**Replies:** 1\
**Last updated:** [October 26, 2022, 5:11pm UTC](https://discourse.julialang.org/t/multiple-condition-for-differentialequations-callback/89308 "2022-10-26T17:11:46Z")

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I am solving an IVP with the DifferentialEquations package and I am looking to find n events with a specific condition. The issue rises from the fact that my events require 2 conditions to be satisfied. I am using Contin…

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## [JuliaCon 2022 London Meetup](https://discourse.julialang.org/t/juliacon-2022-london-meetup/83135)

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**Author:** [@giordano](https://discourse.julialang.org/u/giordano)\
**Replies:** 2\
**Last updated:** [July 28, 2022, 3:33pm UTC](https://discourse.julialang.org/t/juliacon-2022-london-meetup/83135 "2022-07-28T15:33:02Z")

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As part of the global effort to host local meetups during JuliaCon, we’re excited to announce the JuliaCon 2022 London Meetup: Come join us to watch JuliaCon talks, chat with other users and have cookies.

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## [How to get system state during event handling?](https://discourse.julialang.org/t/how-to-get-system-state-during-event-handling/77994)

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**Author:** [@egor](https://discourse.julialang.org/u/egor)\
**Replies:** 1\
**Last updated:** [March 16, 2022, 10:17pm UTC](https://discourse.julialang.org/t/how-to-get-system-state-during-event-handling/77994 "2022-03-16T22:17:17Z")

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Hello everyone, I’m going through an example from the documentation about event handling during dynamic system integration. using DifferentialEquations function f(du,u,p,t) du\[1\] = -u\[1\] end u0 = \[10.0\] const V = 1 …

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## [Beginner AMA featuring Dr. Katharine Hyatt and Dr. Rachel Kurchin, Saturday March 6th, 4 PM EST](https://discourse.julialang.org/t/beginner-ama-featuring-dr-katharine-hyatt-and-dr-rachel-kurchin-saturday-march-6th-4-pm-est/56482)

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**Author:** [@logankilpatrick](https://discourse.julialang.org/u/logankilpatrick)\
**Replies:** 5\
**Last updated:** [March 4, 2021, 6:38pm UTC](https://discourse.julialang.org/t/beginner-ama-featuring-dr-katharine-hyatt-and-dr-rachel-kurchin-saturday-march-6th-4-pm-est/56482 "2021-03-04T18:38:46Z")

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Hey all, join us this Saturday and bring your questions for an “Ask Me Anything” (AMA) session! CC @kslimes @rkurchin