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Last seen: 5 days ago | Active since 2011

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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))

2 months ago | 0

Answered
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...

2 months ago | 0

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Answered
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...

2 months ago | 1

Answered
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

2 months 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...

2 months ago | 2 answers | 0

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app 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...

6 months ago | 0

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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...

6 months ago | 0 answers | 0

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surf 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...

7 months ago | 0

Answered
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 ...

7 months ago | 1

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Answered
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 ...

7 months ago | 0

Answered
Save figure name as string
saveas(hfig,[directoryPath, str, '.jpeg']) directoryPath is the string with ending in fileseperator / or \ depending on your OS...

7 months ago | 0

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Answered
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...

8 months ago | 0

Submitted

Peirce's Criterion for Outlier Rejection
Apply Peirce's criterion for outlier detection for arbitrary number of observations 3 or more using Gould's implementation.

8 months ago | 2 downloads |

Answered
How to declare input variables as a vector?
Of course it can be a vector, a matrix or a variable of some class.

10 months ago | 0

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Answered
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)

10 months ago | 0

Answered
rearrange an equation in simulink
No known blocks/methods to pull off such a thing in Simulink. Did you try symbolic math?

10 months ago | 0

Answered
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...

10 months ago | 0

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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...

1 year ago | 0 answers | 0

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Answered
cant 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.

1 year 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.

1 year ago | 0 answers | 0

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Answered
Is MATLAB supported on Apple Silicon Macs?
UPDATE 1: Text comparison tool in R2019b not working on M1 mac. Got the following error popup.

1 year ago | 0

Answered
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...

1 year ago | 0

Answered
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...

1 year ago | 0

Answered
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...

1 year 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...

1 year ago | 1 answer | 0

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Question

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...

1 year ago | 0 answers | 0

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Answered
How 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 ...

1 year ago | 0

Answered
detect spray color from an image
You should try colour based segmentation, roicolor(), etc.

1 year ago | 0

Answered
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 ...

1 year ago | 0

Answered
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...

1 year ago | 0

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