Monthly Archive: April 2009

Button customization

Matlab's button uicontrols (pushbutton and togglebutton) are basically wrappers for a Java Swing JButton object. This post describes how the buttons can be customized using this Java object in ways

April 24, 2009 33 Comments Read More »

Spy Easter egg

The built-in Matlab function spy has an undocumented feature (Easter egg) when it is called with no input arguments.

April 11, 2009 4 Comments Read More »

ismembc – undocumented helper function

Matlab has several undocumented internal helper functions that can be useful on their own in some cases. This post presents the ismembc function.

April 8, 2009 14 Comments Read More »

Undocumented profiler options

The Matlab profiler has some undocumented options that facilitate debugging memory bottlenecks and JIT (Just-In-Time Java compilation) problems.

April 2, 2009 23 Comments Read More »

Nicholas (7 days 3 hours ago): Hi Yair, Thanks for the reply. I am on Windows 10. I also forgot to mention that this all works wonderfully out of the editor. It only fails once compiled. So, yes, I have tried a...
Nicholas (7 days 3 hours ago): Hi Yair, Thanks for the reply. I am on Windows 10. I also forgot to mention that this all works wonderfully out of the editor. It only fails once compiled. So, yes, I have tried a...
Yair Altman (7 days 10 hours ago): Nicholas – yes, I used it in a compiled Windows app using R2022b (no update). You didn’t specify the Matlab code location that threw the error so I can’t help...
Nicholas (8 days 6 hours ago): Hi Yair, Have you attempted your displayWebPage utility (or the LightweightHelpPanel in general) within a compiled application? It appears to fail in apps derived from both R2022b...
João Neves (11 days 11 hours ago): I am on matlab 2021a, this still works: url = struct(struct(struct(struct(hF ig).Controller).PlatformHost). CEF).URL; but the html document is empty. Is there still a way to do...
Yair Altman (14 days 10 hours ago): Perhaps the class() function could assist you. Or maybe just wrap different access methods in a try-catch so that if one method fails you could access the data using another...
Jeroen Boschma (14 days 12 hours ago): Never mind, the new UI components have an HTML panel available. Works for me…
Alexandre (14 days 13 hours ago): Hi, Is there a way to test if data dictionnatry entry are signal, simulink parameters, variables … I need to access their value, but the access method depends on the data...
Nicholas (15 days 3 hours ago): In case anyone is looking for more info on the toolbar: I ran into some problems creating a toolbar with the lightweight panel. Previously, the Browser Panel had an addToolbar...
Jeroen Boschma (18 days 11 hours ago): I do not seem to get the scrollbars (horizontal…) working in Matlab 2020b. Snippets of init-code (all based on Yair’s snippets on this site) handles.text_explorer...
Yair Altman (46 days 13 hours ago): m_map is a mapping tool, not even created by MathWorks and not part of the basic Matlab system. I have no idea why you think that the customizations to the builtin bar function...
chengji chen (46 days 19 hours ago): Hi, I have tried the method, but it didn’t work. I plot figure by m_map toolbox, the xticklabel will add to the yticklabel at the left-down corner, so I want to move down...
Yair Altman (54 days 12 hours ago): @Alexander – this is correct. Matlab stopped including sqlite4java in R2021b (it was still included in 21a). You can download the open-source sqlite4java project from...
Alexander Eder (60 days 8 hours ago): Unfortunately Matlab stopped shipping sqlite4java starting with R2021(b?)
K (66 days 18 hours ago): Is there a way to programmatically manage which figure gets placed where? Let’s say I have 5 figures docked, and I split it into 2 x 1, I want to place 3 specific figures on the...