Guy Rouleau

Last seen: Today | Active since 2008

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How do you Inspect Logged Signals?
I receive and debug Simulink models all day every day. This means that I often need to log many signals and inspect them to...

4 days ago

Published

Extracting Timetables… Simulink style
Today I want to share a simple tip to interact with data logged from a Simulink modelThe ProblemLet's take this simple model...

2 months ago

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Record and Playback Blocks
Today I want to talk about two relatively new blocks: Record and Playback.Record BlockLet's start with this simple example...

4 months ago

Published

Merging Simulink Models Automatically in Git
This post is targeted at users developing Simulink models under Git source control, but who are not necessarily using the...

4 months ago

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How to programmatically configure a Simulink simulation?
Here is another frequently viewed MATLAB Answers post:Set simulation time and fixed step size for a Simulink model from the...

4 months ago

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Organizing Simulink files and folders in a project
Today I am happy to welcome Sarah Dagen from MathWorks Consulting Services to talk about project organization.I recently...

5 months ago

Published

What’s New in Simulink R2025a!
For a first post about R2025a, I decided to highlight 3 enhancements that will help speed up your Simulink workflows... and...

6 months ago

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Visualizing the number of blocks in a Simulink model?
I was recently discussing different ways to visualize the content of a Simulink model with colleagues. Working in technical...

7 months ago

Published

Using Test Points to log Signals for Software-In-The-Loop Simulation
This week's post is a suggestion from Raymond Estrada from MATLAB and Simulink Consulting Services. Raymond reached out...

8 months ago

Published

The Basics of a Control Loop in Simulink
This week I received a series of interesting questions on the basics of putting together a simulation of a control loop...

8 months ago

Published

The Most Impactful Recent Features in Simulink
I have been recently asked this question:What are the top 10 most impactful and recent features for Simulink and Model-Based...

12 months ago

Published

Capabilities for Modeling Dynamic Systems and Designing Feedback Control Systems in MATLAB and Simulink
In today's post, I want to share a few links. I shared those with individual users recently, and every time the response I...

1 year ago

Published

How to correct errors in port width or dimension in Simulink?
Let's continue our tour of the most viewed Simulink-related MATLAB Answers. This week, we look at:How to correct error in...

1 year ago

Published

What’s New in Simulink in R2024b?
Looking at the Release Notes for Simulink in R2024b, what stands out the most to me is that we have improved a lot of...

1 year ago

Published

How can I create an impulse (delta) signal in Simulink?
Here is another frequently visited page on MATLAB Answers:How can I create an impulse (delta) signal in Simulink?The...

1 year ago

Published

Pole Vault – 2024 Olympics update
In 2016, we published this blog post simulating a pole vault jump. I decided to revisit this topic and demonstrate how I...

1 year ago

Published

Shot Put – Olympics 2024 Update
With the Paris Olympics going on, I decided to revisit the simulation of the shot put event that we published in 2016....

1 year ago

Published

Derivative of state ‘1’ in block ‘X/Y/Integrator’ at time 0.55 is not finite
Let's look at another frequently visited MATLAB Answers page:Derivative of state '1' in block 'X/Y/Integrator' at time 0.55...

1 year ago

Published

How to Run Simulink Simulation from MATLAB Script?
I recently ran into a report of the most visited entries on MATLAB Answers. I looked at the ones involving Simulink and...

1 year ago

Published

What’s New in Simulink R2024a?
MATLAB R2024a is now available, and a lot of new important features have been added to Simulink. Here are my top...

1 year ago

Published

What’s New in Simulink in R2024a: Emojis!
MATLAB R2024a has been released recently, so I thought I should share my favorite new addition to Simulink: The ability to...

1 year ago

Published

Computing π… Simscape Multibody Style
On this π day 2024, I decided to tag along with Mike Croucher from The MATLAB Blog and show one way to compute π.While Mike...

1 year ago

Published

Become a MathWorks Certified Simulink Associate!
The MathWorks Certification Program recently released a new certification: Simulink Associate.With this certification, you...

2 years ago

Published

How to Create a Mask Popup Parameter that can be tuned in Rapid Accelerator
A few weeks ago I published this blog post: Getting the most out of Rapid Accelerator mode – Version R2023b, where I...

2 years ago

Published

Accelerator Cache and Rebuilds – Everything you need to know
In Simulink, the different simulation modes (accelerators) can save you a lot of time. There are, however, subtleties to...

2 years ago

Published

YouTube Livestream on Speeding Up Simulink Simulation Workflows
I don’t usually publicize this sort of thing on this blog, but I think the subject is too relevant for many readers of this...

2 years ago

Published

Getting the most out of Rapid Accelerator mode – Version R2023b
Earlier this week, a user came to me with a question related to a blog post I wrote a long time ago: Getting the most out of...

2 years ago

Published

Signals vs Parameters in Simulink… and the Parameter Writer block
A colleague recently told me that he was often referring users to this blog post I wrote many years ago: How Do I Change a...

2 years ago

Published

What’s New in R2023b?
With so many features and enhancements introduced each release, it's difficult to decide which ones to highlight on this...

2 years ago

Published

Tips for Working with Simulink Libraries and Data Dictionaries
I came across an interesting feature recently for Simulink® libraries that could be helpful when working with buses and...

2 years ago