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Arabarra


University of Basel

Last seen: 3 years ago |  Active since 2016

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Image Processing Specialist

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state of uitoogletool not correctly shown on a Mac
Hi I've tried this code in a Mac (10.15.6) nfig = figure; ht = uitoolbar(nfig); tt = uitoggletool(ht,'CData',rand(16,...

3 years ago | 1 answer | 0

1

answer

Question


Can I customize the options in the popupmenu for selected text in the editor?
Hi, I was wondering if there is a way to customize the options that the Matlab editor offers when left clicking on a text sele...

3 years ago | 1 answer | 0

1

answer

Question


behaviour of nargout for anonymous functions
I'm struggling to understand the behaviour of nargout when used outside of a script. I have a testing function called addOne f...

4 years ago | 1 answer | 0

1

answer

Question


race condition at asynchronous task assignment during runtime
Dear Matlab community, I am trying to figure out a problem that I anticipated easy but is proving me wrong ... Basically, I am ...

4 years ago | 1 answer | 0

1

answer

Question


extremely bad performance of event issuing by slider uicontrol in version R2020b
I have observed that in the new version of Matlab, the slider uicontrol does not issue events properly when used continuously. T...

4 years ago | 1 answer | 0

1

answer

Question


how to ask for a pool size when using parpool with threads
Dear all, using R2020b, looks like the flag "threads" when using a parpool excludes providing a pool size... is there a reason ...

4 years ago | 1 answer | 0

1

answer

Question


programmatical access to current selection in uitable under uifigure
Hi, Is there any way to: 1) check which cells are currently selected in a uitable (under the new uifigures, I'm aware of the...

4 years ago | 3 answers | 0

3

answers

Question


ButtonDownFcn in uitable inside uifigure for cell-dependent contextual uimenu
Hi, In uitables from normal figures, I used the ButtonDownFcn property of the uitable to define a contextmenu that depends on t...

4 years ago | 0 answers | 2

0

answers

Question


How determine if a key is pressed
Hi, is there a system-portable way to determine if a given key is pressed? I found this: https://ch.mathworks.com/matlabc...

4 years ago | 1 answer | 0

1

answer

Question


parpool does not open.
Hi, Since a couple of weeks and out of a sudden, I cannot use Parallel Toolbox utilities on any of my Linux workstations. mayb...

5 years ago | 0 answers | 0

0

answers

Question


Loops in parfor are overly slow in a very simple code
Hi, I'm strugging to understand why a code that I wrote scales so poorly when ran in parallel using parpool. The operation ...

5 years ago | 1 answer | 0

1

answer

Question


Slow performance of fftn in the gpu when used inside a loop
I have just realized that the execution times for fftn operations inside a loop is not proportional to the length of the loop wh...

5 years ago | 1 answer | 0

1

answer

Question


how to automatically identify errors in the output of checkcode
Hi, my project comprises thousands of matlab functions, some of them created automatically... I need a way to check that ther...

5 years ago | 2 answers | 1

2

answers

Question


uipushtool not shown correctly when the State is 'on' and figure is on focus
Hi, I'm running R2019a on a Mac, and I've detected that the uipushtool icons in a figure do not appear shadowed when they are...

5 years ago | 0 answers | 0

0

answers

Question


Error during mex: "collect2: fatal error: cannot find 'ld'"
Hi, I get an strange error on my Linux machine (Ubuntu 16.04) when trying to compile the example file arrayProduct.cpp: >...

5 years ago | 0 answers | 0

0

answers

Question


setenv fails to change environment variables on Linux
Hi, I'm using Matlab on Ubuntu 16.04, and it seems that Matlab cannot run system calls:, because of an apparently failure o...

5 years ago | 1 answer | 0

1

answer

Question


gpuArray of variable size for codegen
Hi, I'm trying to figure out the actual potential of the codegen capabilities on the GPU. In particular there are two points...

6 years ago | 1 answer | 0

1

answer

Question


font control in uimenu objects
Hi, is there some obscure trick to change the fonts in uimenus? I use uimenus to show tabulated data: name : <fo...

6 years ago | 2 answers | 0

2

answers

Question


currently shown columns in a uitable
Hi, when the contents of a table are big (many columns or rows), some columns and/or rows go out of the scope represented in...

6 years ago | 1 answer | 0

1

answer

Question


listening to the creation/deletion of a file with specific name.
Hi, I'm wondering if it is possible somehow to listen to the creation/deletion of a file with an specific name. I know in Win...

6 years ago | 2 answers | 0

2

answers

Question


Continuous tracking of 'LocationChanged' event of figure
Hi, I am trying to glue a (main) figure 1 to a (following) figure 2, so that when the user manually moves the main figure, th...

6 years ago | 2 answers | 1

2

answers

Question


non-square output size for iradon
Hi, When using the Matlab function iradon, one can choose an output size in the input syntax. However, this size has to be sq...

7 years ago | 0 answers | 0

0

answers

Question


determine if the mouse is pressed in a given moment
I’m wondering if the Figure class has some (probably hidden) property that expresses if the mouse is pressed (and which button)...

7 years ago | 2 answers | 0

2

answers

Answered
'FocusGainedCallback' doesn't work once figure has axes 2015b
Hi Fabio, the code below (I've pasted it to the Yair's article you mention) did work for me in R2016b, but it's mainly created...

8 years ago | 1

Question


capture focus change of a figure
Hi, does somebody know how to listen to a focus change of a figure? Yair Altman's blog mentions a way in his blog: http://un...

8 years ago | 1 answer | 2

1

answer

Question


input command makes figures irresponsive in Matlab R2016a
Hi, I have a major problem with matlab R2016a. As it turns out, while the prompt is executing an "input" command, the figures...

8 years ago | 1 answer | 0

1

answer

Question


uigetfile blocks the matlab shell!
Hi, using uigetfile just blocks the Matlab shell. If I type for instance the Mathworks provided example (on a freshly opened...

9 years ago | 0 answers | 0

0

answers