Yair Altman
Consultant
Professional Matlab consultant/programmer. http://UndocumentedMatlab.com Books author: "Accelerating MATLAB Performance", "Undocumented MATLAB-Java Programming Secrets" (http://UndocumentedMatlab.com/books). Email: altmany at gmail.com
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Feeds
Add Tooltip to each UI Tree Checkbox in App Designer
I am not aware of any easy way to do this in the new web-figures. In the old Java-based figures it was easy to attach user-defin...
4 mesi fa | 1
| accettato
How can I add a backup an option, addSaveCallback, to save a timestamped version of my file, to the MATLAB editor?
I believe that you can use the editor object's undocumented (hidden) ContentSaved event, as follows: documentObj = matlab.deskt...
6 mesi fa | 2
| accettato
Identify exact jittered point from swarmchart plot
The answer lies in the pair of undocumented properties XYZJitter and XYZJittered. You can see these properties if you inspect th...
6 mesi fa | 0
| accettato
How to optimize YOLOv11 implementation in MATLAB that is significantly slower than its PyTorch counterpart?
There are numerous ways to speedup Matlab code, and your general question is too vague for specific fixes. The best recommendati...
12 mesi fa | 0
Can I make my gui look like MATLAB's diagram viewer?
You can indeed create custom GUI toolstrips in Matlab, as I have shown in the following series of articles (it's a series of art...
oltre un anno fa | 0
R2012b custom toolstrip tab?
You can indeed create custom toolstrips in Matlab, as I have shown in the following series of articles: https://undocumentedmatl...
oltre un anno fa | 0
Custom Toolstrip tab Matlab R2022b?
You can indeed create custom toolstrips in Matlab, as I have shown in the following series of articles: https://undocumentedmatl...
oltre un anno fa | 0
Performance Issue using cell() to convert Python data types to Matlab
If you are certain that the python list only contains numeric values (as in your example code), then using double() instead of c...
oltre un anno fa | 0
| accettato
How to Connect Matlab with Stock Brokers in India
I believe that Interactive Brokers connects to India's stock exchange and also has a Matlab connector - see IB-Matlab. It is al...
oltre un anno fa | 0
How to prevent export_fig plot background images to have a low resolution?
Anti-aliasing is especially important for exported text characters, so by forcing export_fig to not anti-alias (using -a1) you a...
circa 2 anni fa | 0
uifigure vector export size/resolution
As already noted above, neither print nor the exportgraphics functions support setting the output page size, and ignore the figu...
circa 2 anni fa | 0
| accettato
Is "Undocumented Secrets of MATLAB Java Programming" by Yair Altman still up to date?
As of the latest release (R2023b), most of what I posted over the years on the undocumentedmatlab.com website (and in the 2011 b...
oltre 2 anni fa | 8
| accettato
How can I make the execution speed consistent while I am testing the speed of the programs?
I can certainly understand the desire to use a sandboxed environment that would enable you to optimize the performance of your p...
circa 3 anni fa | 0
Get data point that was clicked on in graph
At your service :-) t=0:.01:5; y=sin(t); hPlot=plot(t,y); hPlot.ButtonDownFcn = @(h,e) disp(e.IntersectionPoint); Now wheneve...
circa 3 anni fa | 2
Simulink Project Opening Speeds
You might find some of the ideas in the following article useful. It's a bit old, but some of the suggestions might possibly sti...
circa 3 anni fa | 0
Axes box incompletely copied to clipboard
@Matt J export_fig(gcf,'-transparent','-clipboard') v3.28 now supports figure transparency for image fomats as well as EMF (wher...
oltre 3 anni fa | 2
| accettato
Get path from running script
mfilename('fullpath') does indeed return the full path to the currently-running script file, at least on the latest Matlab relea...
oltre 3 anni fa | 1
how to change java icon (after convert GUI to exe file) to my project logo
The icon image needs to be placed next to the executable when you run the program, otherwise it will not be found and the defaul...
oltre 3 anni fa | 0
Increase Java Heap Space for a appliction created by Matlab Application Compiler
You can add a java.opts file to the "Files installed for your end users" section, at the bottom of the deploy-tool window, next ...
oltre 3 anni fa | 0
Java Icon after packaging standalone application
The icon image needs to be placed next to the executable when you run the program, otherwise it will not be found and the defaul...
oltre 3 anni fa | 0
Compiler Question - Figure Docking
The Matlab Desktop is not available in compiled application, and for a very good reason - otherwise users could compile and dist...
oltre 3 anni fa | 1
| accettato
Docking a figure in application
The ability to dock figures in deployed programs is available, but is intentionally blocked by the Matlab compiler. I think this...
oltre 3 anni fa | 1
Figure docking not working when an application is created using the MATLAB Compiler
The ability to dock figures in deployed programs is available, but is intentionally blocked by the Matlab compiler. I think this...
oltre 3 anni fa | 0
Compiled application can't dock figures
The ability to dock figures in deployed programs is available, but is intentionally blocked by the Matlab compiler. I think this...
oltre 3 anni fa | 0
GPU speed up for pcg() is disappointing
The gpuArray version of pcg has not been updated since 2018, so it is somewhat lagging compared to the CPU version. Precondition...
oltre 3 anni fa | 0
Can you programmatically delete text in the editor window?
You can simply update the activeFile.Text property based on your code logic. For example: activeFile.Text = [activeFile.Text(1:...
oltre 3 anni fa | 2
| accettato
Requirement to speed up MATLAB Simulink file
Use the Profiler to discover where your performance hotspots are. It is quite possible that you will discover that it's not in y...
quasi 4 anni fa | 0
Matlab class property specification
Starting in 16a, you can use the new syntax as long as you don't specify the dimensions. In other words, the following 2 propery...
quasi 4 anni fa | 2
| accettato
Any simple ideas to improve performance of reading long (10 GB scale) .csv file?
If you need to read the entire file for some reason, then try to use parallelization with multiple workers. Each worker would re...
circa 4 anni fa | 0
Operand stack and Execution stack Error using append_pdfs
append_pdfs only accepts PDF input files, not PNG files or any other non-PDF files
circa 4 anni fa | 0
