已回答
After Allocating a Large Variable and Crashing, MATLAB is Forever Slow
Several possibilities spring to mind: # Your antivirus is running wild ( <http://www.mathworks.com/matlabcentral/answers/9256...

12 years 前 | 4

已回答
IM2JAVA2D is not available on this platform
*_im2java2d_* is only available on platforms that run Java GUI (Swing); yours doesn't

12 years 前 | 0

已回答
How to clear persistent variables?
you can use clear functionName and all the persistent vars in that function will be cleared (set to [])

12 years 前 | 10

| 已接受

已回答
OOP-Performance problems in accessing large arrays in class properties
This is because you are inadvertently reallocating tens of thousands of elements, 1e4 times, in the following line: ctmp(ind...

12 years 前 | 3

已回答
calling java class from external jar
Here's one way to access Java enumerators: msgType = javaMethod('valueOf','java.awt.TrayIcon$MessageType','INFO'); or: ...

12 years 前 | 0

已回答
Big Data analysis using Matlab and Database connection, is it possible ?
1. Try to disconnect from the DB every now and then, ensuring that all references are explicitly cleared so that there's no dang...

12 years 前 | 0

| 已接受

已回答
plot legend -> bad performance
The legend is automatically connected to the axes so that whenever the axes children change (as in deleting/adding plot lines), ...

12 years 前 | 0

已回答
Using findjobj in R2013a
You only need to use _findjobj_ without an output (result assignment) value if you want to see an interactive GUI display of all...

12 years 前 | 1

已提交

treeTable - create a sortable table control with collapsible row groups
Create a sortable Java-based tree-table GUI control having collapsible/expandable data row groups

12 years 前 | 3 次下载 |

5.0 / 5

已回答
Performance tuning - finding CPU time
The Profiler *DOES* provide detailed information about specific call invocations, but you need to dig a bit in its undocumented ...

12 years 前 | 1

已提交

addLogo - add image to container figure/panel
add the specified image at the specified container position; supports resizing/animated/transparent

12 years 前 | 1 次下载 |

0.0 / 5

已回答
how to change each cell color in a uitable
This is answered in great detail here: http://undocumentedmatlab.com/blog/uitable-cell-colors/

12 years 前 | 8

已回答
Removing uitable cell selection highlight
This is covered (briefly) at the bottom of page 169 of my book...

12 years 前 | 1

| 已接受

提问

Anyone know what's up with Urs (us) Schwartz?
The venerable us has apparently <http://www.mathworks.com/matlabcentral/newsreader/search_results?dur=all&search_string=authorid...

13 years 前 | 2 个回答 | 0

2

个回答

已回答
Good homepage where you can get buy expert help?
Mikkel - I answered your specific GUI/CW question <http://www.mathworks.com/matlabcentral/answers/71078-command-window-output-to...

13 years 前 | 1

已回答
Command Window Output to GUI
You can access the CW text programmatically as follows: jDesktop = com.mathworks.mde.desk.MLDesktop.getInstance; jCmdWin...

13 years 前 | 6

已回答
MATLAB function "save" and "-V7.3"
Since R2008b, v7.3 compression seems to be done only (and always) for [large?] numeric data, but never for non-numeric data, reg...

13 years 前 | 6

已回答
Performance Issue of 'imrotate' in double precision mode
This is a limitation imposed by MathWorks in _imrotate.m_ (subfunction _useIPP_), purportedly because Intel's Performance Primit...

13 years 前 | 0

已提交

JTattoo look-and-feel demo GUI
JTattooDemo demonstrates effects of Look-and-Feel changes (including JTattoo L&F) on GUI controls

13 years 前 | 1 次下载 |

5.0 / 5

已提交

checkVersion - Check for a newer file version on the File Exchange
checkVersion implements an auto-update mechanism to check for a newer version of a utility on FEX

13 years 前 | 1 次下载 |

5.0 / 5

提问

What are the differences (if any) between Matlab system objects and class objects?
Matlab includes a wide variety of System Objects, that seem to be standard Matlab objects (typically singletons) which derive fr...

13 years 前 | 3 个回答 | 6

3

个回答

已回答
refreshing legend when Visible is set on/off
I explained how to do this here: <http://undocumentedmatlab.com/blog/legend-semi-documented-feature/#comment-70611> Here is ...

13 years 前 | 1

已回答
hggroup of text() objects and contextmenu
Oleg, you can simply reuse the |localGetNonScribeScribeContextMenu()| subfunction in _%matlabroot/toolbox/matlab/graph2d/private...

13 years 前 | 2

已回答
Does checkcode return the status of the "Message indicator box", i.e. red/orange/green ?
I must admit that I have it on my articles TODO list for quite some time... Here's something to get you started: http://www.m...

13 years 前 | 3

| 已接受

已回答
uitree & uitreenode in R2011 & R2012
They still work in 2012 More on this: * <http://undocumentedmatlab.com/blog/uitree/> * <http://undocumentedmatlab.com/blo...

13 years 前 | 1

已回答
Experiences with release 2012b
Not less importantly than the documentation layout, many online doc pages have changed URLs, and the old URLs no longer work. I ...

13 years 前 | 7

已回答
Experiences with release 2012b
I must say that I expected more from ML8 than a Desktop facelift. Yes, I know it's anything but "simple", and I am aware of the ...

13 years 前 | 15

已回答
MATLAB as Java IDE
Take a look at MatClipse, a Matlab plugin for Eclipse: <http://code.google.com/a/eclipselabs.org/p/matclipse/>

13 years 前 | 0

已回答
Datatips don't disappear
I also see it from time to time in the editor when I hover the mouse on the ellipsis mark (...) signifying folded code: If the d...

13 years 前 | 0

已回答
can we convert com.mathworks.toolbox.javabuilder.MWArray to java.lang.object?
Every Java object, whatever its class is, is also automatically a java.lang.Object, since Object is the top superclass of all Ja...

13 years 前 | 1