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Technical articles

Technical articles

Matlab callbacks for Java events in R2014a

R2014a changed the way in which Java objects expose events as Matlab callbacks.

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May 8, 2014 16 Comments

Animated busy (spinning) icon

An animated spinning icon label can easily be embedded in Matlab GUI.

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April 16, 2014 51 Comments

Transparent uipanels

Matlab uipanels can be made transparent, for very useful effects.

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April 9, 2014 17 Comments

uicontextmenu performance

Matlab uicontextmenus are not automatically deleted with their associated objects, leading to leaks and slow-downs.

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April 2, 2014 5 Comments

JSON-Matlab integration

JSON can easily be integrated in Matlab to achieve cross-platform standard API.

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March 26, 2014 18 Comments

Undocumented feature list

A list of undocumented MATLAB features can be retrieved. Here’s how…

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March 19, 2014 4 Comments

Explicit multi-threading in Matlab part 4

Matlab performance can be improved by employing timer objects and spawning external processes.

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March 12, 2014 30 Comments

Explicit multi-threading in Matlab part 3

Matlab performance can be improved by employing POSIX threads in C/C++ code.

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March 5, 2014 4 Comments

Explicit multi-threading in Matlab part 2

Matlab performance can be improved by employing .Net (C#, VB, F# or C++) threads.

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February 26, 2014 No Comments

Explicit multi-threading in Matlab part 1

Explicit multi-threading can be achieved in Matlab by a variety of simple means.

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February 19, 2014 31 Comments

Improving Simulink performance

Simulink simulation run-time performance can be improved by orders of magnitude by following some simple steps.

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February 12, 2014 3 Comments

Undocumented button highlighting

Matlab button uicontrols can easily be highlighted by simply setting their Value property.

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February 5, 2014 1 Comment

Assessing Java object size in Matlab

Java object sizes are not reported by Matlab, but we can still estimate them using two free external utilities.

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January 29, 2014 No Comments

Serializing/deserializing Matlab data

Matlab does not provide a documented manner to serialize data into a byte stream, but we can do this with some undocumented functionality.

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January 22, 2014 22 Comments

MathWorks blogs facelift

MathWorks has just released a new look-&-feel for their blogs section.

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January 12, 2014 1 Comment

2013 perspective & plans for 2014

2013 has seen a continued steady growth in website content and readership. This post takes an overview of past achievements and future plans.

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January 8, 2014 1 Comment

Accessing private object properties

Private properties of Matlab class objects can be accessed (read and write) using some undocumented techniques.

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December 18, 2013 2 Comments

Class object creation performance

Performance aspects of Matlab class object creation are discussed, with specific suggestions.

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December 11, 2013 8 Comments

Plotly graphs

Plotly charts can be created and customized in Matlab.

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December 4, 2013 4 Comments

sprintfc – undocumented helper function

The built-in sprintfc function can be used to quickly generate a cell-array of formatted strings.

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November 27, 2013 5 Comments

Performance: accessing handle properties

Handle object property access (get/set) performance can be significantly improved using dot-notation.

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November 20, 2013 13 Comments

Listbox layout customization

Matlab’s listbox layout can be modified to display multiple item columns and different inter-cell margins.

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November 13, 2013 14 Comments

Another Command Window text color hack

Matlab’s fprintf command has an undocumented hack to display orange-colored text.

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November 6, 2013 6 Comments

Matlab numerical gotchas

Matlab includes some numerical gotchas that we should be careful to avoid…

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October 30, 2013 9 Comments

Draggable plot data-tips

Matlab’s standard plot data-tips can be customized to enable dragging, without being limitted to be adjacent to their data-point.

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October 23, 2013 6 Comments
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Accelerating MATLAB Performance book
Recent Posts

Speeding-up builtin Matlab functions – part 3

Improving graphics interactivity

Interesting Matlab puzzle – analysis

Interesting Matlab puzzle

Undocumented plot marker types

Matlab toolstrip – part 9 (popup figures)

Matlab toolstrip – part 8 (galleries)

Matlab toolstrip – part 7 (selection controls)

Matlab toolstrip – part 6 (complex controls)

Matlab toolstrip – part 5 (icons)

Matlab toolstrip – part 4 (control customization)

Reverting axes controls in figure toolbar

Matlab toolstrip – part 3 (basic customization)

Matlab toolstrip – part 2 (ToolGroup App)

Matlab toolstrip – part 1

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Recent Comments
  • Leuze (16 days 21 hours ago): Hello, I would like to add a new object into SLDD and display columns according to my object properties <>
  • Eric Delgado (45 days 23 hours ago): Hey Yair, I think your site is the right place to share that I wrote ccTools, a lib that allows a lot of customizations of Matlab built-in web components (such as uifigure,...
  • Eric Delgado (45 days 23 hours ago): Hey guys, first of all, thanks to @Yair, your site saved me a lot of times! 🙂 That’s why I am sharing that I wrote m2mlapp (*.m => *.mlapp) file conversion, that...
  • François (62 days 21 hours ago): more than 10 years later it helps me after struggling few hours, so thanks you very much !
  • Yair Altman (63 days 19 hours ago): I am not familiar with a universal catch-all tab-completion mechanism for all functions, and it also doesn’t make much sense to me, because different functions use...
  • Arye (64 days 13 hours ago): hi, is there a universal functionSignature.json file that will allow my to get the function hints when opening brackets of my funcs? something that automaticly recognize my function...
  • Sunham (67 days 8 hours ago): This is an old article, but the issue persists even in 2023. 2023a: z = mat2cell(1:1e6,1,repmat(1,1,1e 6)); f = @() cellfun(‘isempty’, z); g = @() cellfun(@isempty,z);...
  • Yair Altman (76 days 22 hours ago): Robot only runs when you tell it to run a command such as keyPress. If you don’t tell it to run a command, it uses no CPU, so there’s no need to remove the Robot...
  • Eric (77 days 9 hours ago): Hey @Kevin, can you share your code about create group of figures in the AppContainer? The container of multiples uifigures could be an amazing improvement over AppDesigner and its...
  • Elsa Smith (78 days 0 hours ago): I recently used java.awt.Robot to perform GUI testing on MATLAB and found it to be an extremely easy and useful way to control mouse movements.
  • Elsa Smith (78 days 0 hours ago): I’m suspecting that the slow performance of my GUI may be due to the use of java.awt.Robot. Is there a way to cancel/stop/remove the robot after it has been created, or is...
  • Michelle Kline (78 days 17 hours ago): *edit* tip about fopen(), not about fwrite(). ‘Wb’ vs. ‘wb’
  • Michelle Kline (78 days 17 hours ago): Thank you, Yair! With this previously-unknown-to-me tip about fwrite() performance, you have saved me literally hours of processing time. Michelle Kline Department of...
  • Alessandro Beda (91 days 5 hours ago): I found what I think is a bug related to this (tested in R2022 and R2023a). If I add a “ButtonDownFcn” to the plots (see example below), then the modified...
  • Nicholas (92 days 20 hours ago): Yair, Changing the desktop help options did not solve the issue. Though, it’s unclear how I could change these options in the Runtime, if that’s what you meant? I should...
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