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Memory

Quirks with parfor vs. for

Parallelizing loops with Matlab's parfor might generate unexpected results. Users beware!

January 5, 2017 7 Comments Read More »

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.

January 29, 2014 No Comments Read More »

Allocation performance take 2

The clear function has some non-trivial effects on Matlab performance.

August 14, 2013 6 Comments Read More »

The Java import directive

The import function can be used to clarify Java code used in Matlab.

June 13, 2012 No Comments Read More »

Internal Matlab memory optimizations

Copy-on-write and in-place data manipulations are very useful Matlab performance improvement techniques.

May 30, 2012 7 Comments Read More »

Array resizing performance

Several alternatives are explored for dynamic array growth performance in Matlab loops.

May 23, 2012 7 Comments Read More »

Preallocation performance

Preallocation is a standard Matlab speedup technique. Still, it has several undocumented aspects.

May 16, 2012 30 Comments Read More »

Matlab's internal memory representation

Matlab's internal memory structure is explored and discussed.

March 15, 2012 9 Comments Read More »

Profiling Matlab memory usage

mtic and mtoc were a couple of undocumented features that enabled users of past Matlab releases to easily profile memory usage.

February 29, 2012 8 Comments Read More »

Matlab mex in-place editing

Editing Matlab arrays in-place can be an important technique for optimizing calculations. This article shows how to do it using Mex.

February 8, 2012 15 Comments Read More »
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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
  • Iñigo (2 days 6 hours ago): Thanks Yair. I didn’t realize it was posted just above. It would be great to know about a solution soon
  • Yair Altman (3 days 13 hours ago): @Iñigo – your query is related to Seth’s question above. We can access the currently-browsed URL in JavaScript (for example: jBrowserPanel.executeScript...
  • Iñigo (5 days 5 hours ago): I am looking for setting a UI that allows following process: opening a web site, navigate inside this web site and at some specific moments (i.e. when the figure is closed or a button...
  • Nicholas (12 days 10 hours ago): Yair, this works wonderfully! I can’t thank you enough!
  • Collin (14 days 14 hours ago): Seth Good point, I am using 2022b, mathworks seems to have started using CEF browsers from 2019a, best I can tell. take a look at the package com.mathworks.toolbox.matla...
  • Seth (15 days 6 hours ago): Collin, What version of MATLAB are you using?
  • Collin (20 days 12 hours ago): Seth, I have had some success executing javascript that requires no return value by executing it directly (sort of) on the org.cef.browser.CefBrowser that a...
  • Coo Coo (22 days 8 hours ago): FFT-based convolution is circular whereas MATLAB’s conv functions have several options (‘valid’, ‘same’, ‘full’) but unfortunately not...
  • Seth (22 days 10 hours ago): No luck with removing the space.
  • Seth (22 days 12 hours ago): The javascript code works fine running the application from the 2019b desktop version and the 2016b deployed version.
  • Seth (22 days 12 hours ago): I have been using this browser functionality in 2016b because it works fully in deployed applications in that version. However, because of Java 7 being flagged as a security risk, I...
  • Yair Altman (22 days 12 hours ago): I’ve never tested javascript callbacks, but perhaps you should try removing the extra space after the “matlab:” protocol specifier. Does it make any difference?
  • Seth (22 days 13 hours ago): I have been using this functionality in 2016b since it works in deployed applications and have not had a reason to need to upgrade but with java 7 being flagged as a security risk I am...
  • KEVIN (42 days 13 hours ago): I apologize, I intended my response to fall under ‘T’ but did not seem to work. I was referring to the bit of code posted by ‘T’ regarding the toolgroup and...
  • Yair Altman (42 days 14 hours ago): It is not clear from your comment which code exactly you are referring to and what you see differently in 19b vs. 20b, so I cannot assist with your specific query. In general I...
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