Answered
Generate synthetic images with controlled variation using the few sample images.
If by defect you mean the circular feature on the left of the image, you can check its attributes (pixel colours) and copy them ...

11 months ago | 0

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The stem plot is not shown in the figure
I don't think there is markersize attribute in stem(). Either do stem(n,xn) or replace stem() with plot()

11 months ago | 0

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Finding the max value in a column every 601 rows of excel file
If you already have the one big column, it's easy to reshape it into a matrix of 600xN (N=100*313?) >> M = reshape(BigColumMatr...

11 months ago | 0

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Simulink: MATLAB Function Doesn't Recognise Variables
Of course it doesn't. That is intended behaviour. Functions have their own workspace which is distinct from base workspace (or m...

11 months ago | 0

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Question

Is MQTT functionality implemented for 3rd party applications?
Is MQTT functionality designed to work only with Thingspeak or any 3rd party application in general? Which toolbox(es) is the fu...

11 months ago | 1 answer | 0

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Answered
Concatenate correlation matrices/tables across subjects to one 3D matrix
cat(3,m1,m2,m3,m4...) concatenates m1,m2,... along third dimension.

11 months ago | 0

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Answered
LSTM in App Designer: predictAndUpdateState Error
The error doens't necessarily mean it cannot work with double type parameters. I may also be that it cannot find the function. M...

11 months ago | 0

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Answered
Removing outliers from Control System response?
Check this out. https://in.mathworks.com/matlabcentral/fileexchange/101475-peirce-s-criterion-for-outlier-rejection

11 months ago | 0

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How to make a Gui checkbox work
In the toggleHistory callback, use an if condition to check the value of the checkbox. if sender.Value == 1 disp showHisto...

11 months ago | 0

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Answered
How to use the zplane command in app designer
I dont think zplane() has a syntax to pass in handle to target axes. Instead plot zeros and poles separately using plot function...

11 months ago | 0

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Question

2022b for apple M1
A 2022b beta trial of Matlab running natively on M1 macs was released for public and it closed some time in August. 2022b is no...

11 months ago | 1 answer | 0

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Answered
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))

1 year ago | 0

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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...

1 year 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...

1 year ago | 1

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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

1 year 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...

1 year ago | 2 answers | 0

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Answered
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...

2 years 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...

2 years 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...

2 years ago | 0

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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 ...

2 years 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 ...

2 years ago | 0

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

2 years 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...

2 years ago | 0

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

2 years 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)

2 years ago | 1

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

2 years ago | 0

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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...

2 years 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...

2 years ago | 0 answers | 0

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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.

2 years 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.

2 years ago | 0 answers | 0

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