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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...

12 months ago | 0

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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...

12 months ago | 0 answers | 0

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Answered
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...

12 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 ...

12 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 ...

12 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...

12 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...

1 year ago | 0

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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.

1 year ago | 3 downloads |

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

1 year ago | 0

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

1 year 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...

1 year 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.

2 years ago | 1

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 0

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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...

2 years ago | 1 answer | 0

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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...

2 years 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 ...

2 years ago | 0

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

2 years 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 ...

2 years ago | 0

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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...

2 years ago | 0

Answered
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...

2 years ago | 0

Answered
How to make all negative values in a matrix 0?
%% Set all negative elements to 0 A(A<0) = 0; %% Set second column elements to 0 col = 2; a(a(:,col)<0,col) = 0;

2 years ago | 2

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Answered
Import constants to Simulink from Excel file
Setup a model callback InitFcn function in which you call a script that loads the xls file using xlsread()

2 years ago | 1

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Question


Bench() on Macbook pro 2020 with 10th Gen Intel i5
Can anyone having a 2020 Macbook pro with Intel i5 (10th gen) post a screenshot of bench command below. >> bench(5) Please me...

2 years ago | 0 answers | 1

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Question


Genicam support package not showing up in imaqhwinfo despite successful installation
I'm running R2017a on windows 10 and have a problem peculiar to one PC. Even after installing genicam drivers in Image Acquisiti...

2 years ago | 0 answers | 0

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