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Content Feed
Display variable outside ODE45 function
Since Rx and Ry are only time-dependent, why no do plot(time,cos(time), time,sin(2*time), time,cos(time)+sin(2*time))
11 jours ago | 0
How to switch uitab using commands?
Use SelectedTab property of uitabgroup. E.g. f = figure; tabgp = uitabgroup(f,'Position',[.05 .05 .3 .8]); tabA = uitab(tab...
11 jours ago | 0
| accepted
Asking the user to enter the extension of the files and load them in workspace
Not sure what you mean by "load similar files". To "load" or import file(s) you first need to specify the file(s). If you want u...
11 jours ago | 1
Is MATLAB supported on Apple Silicon Macs?
Matlab for AppleSilicon beta is out for testing. https://in.mathworks.com/support/apple-silicon-r2022a-beta.html
environ un mois ago | 1
Question
ppval and polyval giving different results
I created a piecewise polynomial using mkpp. But when I evaluate a set of points I get incorrect results using ppval, although p...
environ un mois ago | 2 answers | 0
2
answersapp designer dynamic button number
Yes, in at least a couple of ways. First is to use the uicontrol() in the selectionchanged callback of DropConcentration to crea...
5 mois ago | 0
| accepted
Question
Unable to run a deployed file in linux: error while loading shared libraries: libmwlaunchermain.so
I have created a deployable XYZ but unable to launch it even after configuring LD_LIBRARY_PATH. I keep getting the error error...
5 mois ago | 0 answers | 0
0
answerssurf plot of f(x,y). With gridlines, but more sparse than default
s=surf(x,y,z) Now use s.Parent.XTick and set it to a vector. E.g. s.Parent.XTick = 0:2:10; will make the X-grid 2units with...
5 mois ago | 0
Create single array from multiple arrays in struct
Presuming the error you got is "Dimensions of arrays being concatenated are not consistent.", all data in column vectors may be ...
5 mois ago | 1
| accepted
how to use "for" loop to save variables to an array?
Of course, it will show the last result only since you are overwriting the areaone variable in every iteration of the loop. You ...
5 mois ago | 0
Save figure name as string
saveas(hfig,[directoryPath, str, '.jpeg']) directoryPath is the string with ending in fileseperator / or \ depending on your OS...
5 mois ago | 0
| accepted
Is MATLAB supported on Apple Silicon Macs?
Depends on version. MW has said 2020b v3 and later will work on M1 through Rosetta. There might still be issues to iron out. Lat...
6 mois ago | 0
How to declare input variables as a vector?
Of course it can be a vector, a matrix or a variable of some class.
9 mois ago | 0
| accepted
How do I write an expression that refers to only the elements that have odd-number/odd-number index subscripts in a vector?
Is this what you are looking for? myvec(1:2:end)
9 mois ago | 0
rearrange an equation in simulink
No known blocks/methods to pull off such a thing in Simulink. Did you try symbolic math?
9 mois ago | 0
pause loop with "if" statement?
You must give it a range of time period rather than a unique time point since the execution doesn't guarantee the particular lin...
9 mois ago | 0
| accepted
Question
Cannot find authentication imaqmex_mexw64.auth
A compiled version of UI with images and camera feed works mostly fine. But very occasionally, like once in a month, the program...
environ un an ago | 0 answers | 0
0
answerscant open .fig anymore
Try clearing your workspace and then launching the GUI. Looks like you have a variable with the same name as the GUI.
environ un an ago | 0
Question
Doesn't Matlab's built-in Tesseract OCR work on calculator font?
I have a simple image showing timer and ocr() is failing to recognise the text. Any idea why? Thanks.
environ un an ago | 0 answers | 0
0
answersIs MATLAB supported on Apple Silicon Macs?
UPDATE 1: Text comparison tool in R2019b not working on M1 mac. Got the following error popup.
plus d'un an ago | 0
Is MATLAB supported on Apple Silicon Macs?
I cannot believe the results (below) I'm seeing on my MBP-M1 with R2019b. R2018a showed slower benchmarks as expected for Matlab...
plus d'un an ago | 0
Macbook air M1 - will 2018 or 2019 matlab releases work?
2016b and 2018a work on M1. Terribly slow graphics and the applications consume a lot of energy even sitting idle (as reported b...
plus d'un an ago | 0
Image Acquisition to disk without using memory
Set logging to None. Neither disk nor memory. Set large enough number for Number of Frames for Acquisition upon Trigger, say 100...
plus d'un an ago | 0
Question
Can a Matlab figure window display 4k video feed at 30FPS?
That's the question in title -for an RGB 8-bit video stream. Or do performance limilations preclude Matlab from achieving a smoo...
plus d'un an ago | 1 answer | 0
1
answerQuestion
Imaq's preview() vs CV's vision.DeployableVideoPlayer
Is there a performance difference between Image acquisition toolbox's preview function and computer vision toolbox's DeployableV...
plus d'un an ago | 0 answers | 0
0
answersHow to check if hardwear supported by Data Acquisition Toolbox?
I would presume an entry in the supported HW list would be a blanket one, unless specified otherwise. E.g. as far as I can tell ...
plus d'un an ago | 0
detect spray color from an image
You should try colour based segmentation, roicolor(), etc.
plus d'un an ago | 0
Finding where a m file or a function is called in a folder with subfolders and many other m files?
If you mean which function is calling xyz.m, you can try adding the following line in xyz.m evalin('caller','mfilename') That ...
plus d'un an ago | 0
VideoWriter with 4k images
I see this error when trying to log live images from a UHD camera using DiskLogger feature in image acquisition toolbox. However...
plus d'un an ago | 0
Recognition of colored percentage of a white paper using Image Processing
You can even out the light intensity across the image using imtophat(). Then use segmentation and/or ROI based processing functi...
plus d'un an ago | 0
