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MatGPT was launched on March 22, 2023 and I am amazed at how many times it has been downloaded since then - close to 16,000 downloads in one year. When AI Chat Playground came out on MATLAB Central, I thought surely that people will stop using MatGPT. Boy I was wrong.
In early 2023 I was playing with the new shiny toy called ChatGPT like everyone else but instead of having it tell me jokes or haiku, I wanted to know how I can use it on MATLAB, and I started collecting the prompts that worked. Someone suggested I should turn that into an app, and MatGPT was born with help from other colleagues.
Here is the question - what should I do with it now? Some people suggested I could add other LLMs like Gemini or Claude, but I am more interested in learning how people actually use it.
If you are a MatGPT user, do you mind sharing how you use the app?
I feel like no one at UC San Diego knows this page, let alone this server, is still live. For the younger generation, this is what the whole internet used to look like :)
In short: support varying color in at least the plot, plot3, fplot, and fplot3 functions.
This has been a thing that's come up quite a few times, and includes questions/requests by users, workarounds by the community, and workarounds presented by MathWorks -- examples of each below. It's a feature that exists in Python's Matplotlib library and Sympy. Anyways, given that there are myriads of workarounds, it appears to be one of the most common requests for Matlab plots (Matlab's plotting is, IMO, one of the best features of the product), the request precedes the 21st century, and competitive tools provide the functionality, it would seem to me that this might be the next great feature for Matlab plotting.
I'm curious to get the rest of the community's thoughts... what's everyone else think about this?
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User questions/requests
- https://www.mathworks.com/matlabcentral/answers/480389-colored-line-plot-according-to-a-third-variable
- https://www.mathworks.com/matlabcentral/answers/2092641-how-to-solve-a-problem-with-the-generation-of-multiple-colored-segments-on-one-line-in-matlab-plot
- https://www.mathworks.com/matlabcentral/answers/5042-how-do-i-vary-color-along-a-2d-line
- https://www.mathworks.com/matlabcentral/answers/1917650-how-to-plot-a-trajectory-with-varying-colour
- https://www.mathworks.com/matlabcentral/answers/1917650-how-to-plot-a-trajectory-with-varying-colour
- https://www.mathworks.com/matlabcentral/answers/511523-how-to-create-plot3-varying-color-figure
- https://www.mathworks.com/matlabcentral/answers/393810-multiple-colours-in-a-trajectory-plot
- https://www.mathworks.com/matlabcentral/answers/523135-creating-a-rainbow-colour-plot-trajectory
- https://www.mathworks.com/matlabcentral/answers/469929-how-to-vary-the-color-of-a-dynamic-line
- https://www.mathworks.com/matlabcentral/answers/585011-how-could-i-adjust-the-color-of-multiple-lines-within-a-graph-without-using-the-default-matlab-colo
- https://www.mathworks.com/matlabcentral/answers/517177-how-to-interpolate-color-along-a-curve-with-specific-colors
- https://www.mathworks.com/matlabcentral/answers/281645-variate-color-depending-on-the-y-value-in-plot
- https://www.mathworks.com/matlabcentral/answers/439176-how-do-i-vary-the-color-along-a-line-in-polar-coordinates
- https://www.mathworks.com/matlabcentral/answers/1849193-creating-rainbow-coloured-plots-in-3d
- https://groups.google.com/g/comp.soft-sys.matlab/c/cLgjSeEC15I?hl=en&pli=1 (a question asked in 1999!)
- ... the list goes on, and on, and on...
User-provided workarounds
- https://undocumentedmatlab.com/articles/plot-line-transparency-and-color-gradient
- https://www.mathworks.com/matlabcentral/fileexchange/19476-colored-line-or-scatter-plot
- https://www.mathworks.com/matlabcentral/fileexchange/23566-3d-colored-line-plot
- https://www.mathworks.com/matlabcentral/fileexchange/30423-conditionally-colored-line-plot
- https://www.mathworks.com/matlabcentral/fileexchange/14677-cline
- https://www.mathworks.com/matlabcentral/fileexchange/8597-plot-3d-color-line
- https://www.mathworks.com/matlabcentral/fileexchange/39972-colormapline-color-changing-2d-or-3d-line
- https://www.mathworks.com/matlabcentral/fileexchange/37725-conditionally-colored-plot-ccplot
- https://www.mathworks.com/matlabcentral/fileexchange/11611-linear-2d-plot-with-rainbow-color
- https://www.mathworks.com/matlabcentral/fileexchange/26692-color_line
- https://www.mathworks.com/matlabcentral/fileexchange/32911-plot3rgb
- And perhaps more?
MathWorks-provided workarounds
- https://www.mathworks.com/videos/coloring-a-line-based-on-height-gradient-or-some-other-value-in-matlab-97128.html
- https://www.mathworks.com/videos/making-a-multi-color-line-in-matlab-97127.html
- https://www.mathworks.com/matlabcentral/fileexchange/95663-color-trajectory-plot (contributed by a MathWorks staff member)
- And perhaps more?
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I was in a meeting the other day and a coworker shared a smiley face they created using the AI Chat Playground. The image looked something like this:
And I suspect the prompt they used was something like this:
"Create a smiley face"
I imagine this output wasn't what my coworker had expected so he was left thinking that this was as good as it gets without manually editing the code, and that the AI Chat Playground couldn't do any better.
I thought I could get a better result using the Playground so I tried a more detailed prompt using a multi-step technique like this:
"Follow these instructions:
- Create code that plots a circle
- Create two smaller circles as eyes within the first circle
- Create an arc that looks like a smile in the lower part of the first circle"
The output of this prompt was better in my opinion.
These queries/prompts are examples of 'zero-shot' prompts, the expectation being a good result with just one query. As opposed to a back-and-forth chat session working towards a desired outcome.
I wonder how many attempts everyone tries before they decide they can't anything more from the AI/LLM. There are times I'll send dozens of chat queries if I feel like I'm getting close to my goal, while other times I'll try just one or two. One thing I always find useful is seeing how others interact with AI models, which is what inspired me to share this.
Does anyone have examples of techniques that work well? I find multi-step instructions often produces good results.
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The image was created with DALL-E 3.
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Spoiler, it's April 1st if you hadn't noticed. While we might not (yet) have the technology to read minds or predict the future, we do have an incredible community filled with knowledgeable, supportive members ready to tackle any question you throw their way.
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I would like to propose the creation of MATLAB EduHub, a dedicated channel within the MathWorks community where educators, students, and professionals can share and access a wealth of educational material that utilizes MATLAB. This platform would act as a central repository for articles, teaching notes, and interactive learning modules that integrate MATLAB into the teaching and learning of various scientific fields.
Key Features:
1. Resource Sharing: Users will be able to upload and share their own educational materials, such as articles, tutorials, code snippets, and datasets.
2. Categorization and Search: Materials can be categorized for easy searching by subject area, difficulty level, and MATLAB version..
3. Community Engagement: Features for comments, ratings, and discussions to encourage community interaction.
4. Support for Educators: Special sections for educators to share teaching materials and track engagement.
Benefits:
- Enhanced Educational Experience: The platform will enrich the learning experience through access to quality materials.
- Collaboration and Networking: It will promote collaboration and networking within the MATLAB community.
- Accessibility of Resources: It will make educational materials available to a wider audience.
By establishing MATLAB EduHub, I propose a space where knowledge and experience can be freely shared, enhancing the educational process and the MATLAB community as a whole.
In one line of MATLAB code, compute how far you can see at the seashore. In otherwords, how far away is the horizon from your eyes? You can assume you know your height and the diameter or radius of the earth.
Me at the beginning of every meeting
Hey MATLAB Community! 🌟
March has been bustling with activity on MATLAB Central, bringing forth a treasure trove of insights, innovations, and fun. Whether you're delving into the intricacies of spline conversions or seeking inspiration from Pi Day celebrations, there's something for everyone.
Here’s a roundup of the top posts from the past few weeks that you won't want to miss:
Interesting questions
Dive into the technicalities of converting spline forms with a focus on calculating coefficients. A must-read for anyone dealing with spline representations.
Explore the challenges and solutions in tuning autopilot gains within a non-linear model of a business jet aircraft.
Popular discussions
Celebrate Pi Day with cool MATLAB implementations and code. A delightful read filled with π-inspired creativity.
Get a glimpse of fun with MATLAB through an engaging visual shared by Athanasios. A light-hearted thread that showcases the fun side of mathematics.
From File Exchange
Unlock the secrets of global climate data with MATLAB. This thread offers tools and insights for analyzing precipitation variability.
Interact with a numerical puddle in real-time and explore the dynamics of disturbances. A fascinating exploration of fluid dynamics simulation.
From the Blogs
Revisit Pi Day with Jiro's picks of the coolest π visualizations. A post that combines art, math, and the joy of exploration.
Discover the synergy between MATLAB and Visual Studio Code, enhanced by GitHub Copilot support. A game-changer for MATLAB developers.
These threads are just the tip of the iceberg. Each post is a gateway to new knowledge, ideas, and community connections. Dive in, explore, and don't forget to contribute your insights and questions. Together, we make MATLAB Central a vibrant hub of innovation and support.
Happy Coding!
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We are thrilled to announce the launch of a brand-new area within the MATLAB Central community – 'Discussions'. This exciting addition is designed to foster a stronger and more connected community.
Discover the 'Tips & Tricks' Channel
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s = ['M','A','T','L','A','B']
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The File Exchange team is thrilled to introduce a more streamlined approach to working with GitHub and File Exchange - the MATLAB and Simulink Integration for GitHub!
Key Enhancements:
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Starting April 16, 2024, your File Exchange submissions will no longer update automatically unless you take the following steps:
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