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Xiangrui Li


Last seen: Today |  Active since 2012

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Answered
How do I close all open scripts in the Editor window?
I suppose you may also close the Editor window, if you wanted to close all scripts. Why does not do the following simple way? ...

mer än 2 år ago | 1

Question


Matlab disables monitor sleeping under Ubuntu
It seems once Matlab starts, the Ubuntu monitor won't fall into sleep, but stay on all the time on some Matlab versions. I have...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


can getpixelposition() be used for uifigure?
getpixelposition(hObj, recursive) is a convenient function to get the position of an object, especially when recursive is true....

ungefär 4 år ago | 1 answer | 0

1

answer

Answered
deprecated javacomponent and javaframe
Some missing functionality are added gradually. After some test with R2020b, I can conform the following： figure icon is implem...

ungefär 4 år ago | 2

Answered
programmatical access to current selection in uitable under uifigure
As mentioned in my previous post, Mathworks informed me the issue has been addressed since R2020a, but I did not find any docume...

mer än 4 år ago | 5

| accepted

Answered
programmatical access to current selection in uitable under uifigure
In R2019b or earlier, there is no way to programmatically select a cell or row. This was confirmed with Mathworks and I requeste...

mer än 4 år ago | 0

Answered
How can I access subfunctions from outside the main function in MATLAB?
Here are two methods I use to access local functions. The m file may look like this: function varargout = myMainFunc(in, vararg...

mer än 4 år ago | 0

Answered
Increase the plotting performance in the MATLAB level (drawmode/ optimizing rendering/ down sampling etc)
I found this thread while looking for solutions to speed up patch update. My figure has four patches, each with ~32k vertices. E...

nästan 7 år ago | 0

Question


py.os.popen error under Windows
Later matlab versions can call python libraries directly. I came across a problem when calling py.os.popen or py.subprocess.chec...

mer än 7 år ago | 1 answer | 1

1

answer

Answered
Why the external dos command/program is so slow in 64 bit window?
I observed the slowness for both win32 and win64. I just posted a question <https://www.mathworks.com/matlabcentral/answers/3385...

mer än 7 år ago | 0

Question


Performance of system/dos function
[status, cmdout] = system(cmd) has been reported to be slow for a while (see <https://www.mathworks.com/matlabcentral/newsr...

mer än 7 år ago | 0 answers | 4

0

answers

Answered
how to separate mac address on windows...?
For Windows: [~, a] = system ('getmac'); mac = regexp(a, '([0-9A-F]{2}-){5}[0-9A-F]{2}', 'match', 'once'); % get first o...

mer än 7 år ago | 1

Answered
simpler way to make new matlab function compatible to early version
Thanks for the answer and comment. Rik's method to use a wrapper will sure work. I think I found a simple way, which is to us...

nästan 8 år ago | 0

Question


simpler way to make new matlab function compatible to early version
flip is a builtin function for later matlab, but not for earlier matlab. I am thinking this simple way to take care of the comp...

nästan 8 år ago | 2 answers | 2

2

answers

Answered
Drag and Drop file (txt file)
For anyone who is interested, here is <http://www.mathworks.com/matlabcentral/fileexchange/53511-drag---drop-functionality-for-j...

mer än 8 år ago | 1

Question


how to add a separator line in popup uicontrol?
Is there a way to add a separator line for a popup uicontrol, like what "Separator" keyword does for uimenu? I searched, but ...

nästan 9 år ago | 2 answers | 0

2

answers

Answered
Why does R2013b keyboard freeze when toggling X11 forwarded windows?
Due to the above problem, I am using VNC viewer for now. The keyboard almost works fine, except several keys on the number pad. ...

nästan 11 år ago | 0

Answered
Why does R2013b keyboard freeze when toggling X11 forwarded windows?
I am having exactly the same problem, although I haven't tried other matlab versions due to access issue. Anyone has a solution?...

ungefär 11 år ago | 0

Question


why serial write freezes in Matlab R2012b?
I just installed 32-bit Matlab R2012b on 32-bit Windows XP, but found that the serial write (both fprintf and fwrite) doesn't wo...

ungefär 12 år ago | 0 answers | 0

0

answers