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How to replace specific area of image with zeros in video loop
Instead of recreating the annotation in the loop, create just one annotation before the loop, assign a handle to it and inside t...

4日 前 | 0

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uidropdown does not extend beyond its parent figure
You are right, this doesn't seem to be a bug. Since the child objects cant extend beyond parent containers. However, in R2022b o...

4日 前 | 0

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Scroll bar does not appear in tab group.
According to the documentation: Setting this property to 'on' enables scrolling within the container. However, there are additi...

4日 前 | 0

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how to read .txt file having the following format.
readtable(), importdata(), etc. You may just drag and drop the file into workspace to launch importwizard. Make the appropriate...

8日 前 | 0

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The label component of an edit field is not showing in component browser of app designer
I don't think Label for an edit field exists as a separate object (at least not in very recent versions). It's a part of the edi...

8日 前 | 0

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MATLAB is taking endless snapshots instead of a video, when trying to track colored object in webcam video.
Move call to figure() out of while loop. It opens a new window on each call in every iteration of the loop which is why your plo...

8日 前 | 0

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How can I make each iteration of a for each block create a unique random number?
You will have to generate a vector of random numbers outside and pass it as an input. Default partitioning of this vector might ...

11日 前 | 0

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How to plot a graph with logarithmic scale
I did a quick search and couldn't find a call to plot functions in your script. Where are you plotting? Did you try to use semil...

12日 前 | 1

質問


2022b Beta is suddenly unlaunchable on macOS M1
Today my matlab window became unresponsive. Not sure exactly when, but I had data import window and a plot open while connected ...

12日 前 | 0 件の回答 | 0

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Plot timeseries for mean monthly temperature
Try this. xdata = datenum(dataClean(1:3)'); ydata = dataClean(4,:)'; plot(xdata,ydata); datetick x Cheers

17日 前 | 0

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Error using stem X must be same length as Y.
The lengths of x and n are different, 19 and 25. Plotting requires them to be equal. I think you want to do x2 = zeros(size(n...

18日 前 | 0

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How can I write ANOVA results to a csv file?
Don't understand whats causing the problem, but the below line works writetable(ranovatbl(1:end,:),'test_table.txt') Really st...

18日 前 | 1

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How to convert excel date and time data into numerical integer matrix [year, month, day, hour, minute, second]
An easier way of doing that would be convert the dates into datenum so that you dont have to individually compare years,months,....

18日 前 | 0

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Arrays have incompatible sizes for this operation.
Try the following change in conv() call on line 5. h12 = conv(h1,h2,'same');

18日 前 | 0

質問


Constraining solution space of estimateGeometricTransform()
The last time I used estimateGeometricTransform() I had to manually deal with solutions that were of no interest. E.g. I wouldn'...

20日 前 | 0 件の回答 | 0

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Text skew detection and correction in image
In general, pattern maching is used. See estimateGeometricTransform() But the result may not be exactly the angle it's rotated ...

20日 前 | 0

質問


Is there a callback for a pushbutton pressed-and-held state in app designer?
I can't find an equivalent of slider's valuechanging function for a pushbutton. Something that may execute repeatedly when a pus...

21日 前 | 0 件の回答 | 0

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Determine -3db gain on Freq- gain plot
interp1() outputs linearly interpolated values that you are asking for. if Gain_3db is a scalar value the output is a scalar. Th...

21日 前 | 0

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How do I solve differential that is not w.r.t time in simulink?
Can we consider dX/dV as (dX/dt) / (dV/dt) to set up a regular simulink model. Regards

21日 前 | 0

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How to fit custom equation in a linear regression?
Presuming you are trying to estimate a1, a2, a3 you can just to a lmdivide. You will need data for x & y with atleast 3 to solve...

21日 前 | 0

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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 ...

22日 前 | 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()

23日 前 | 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...

24日 前 | 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...

24日 前 | 0

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質問


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...

24日 前 | 1 件の回答 | 0

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

25日 前 | 0

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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...

25日 前 | 0

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

25日 前 | 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...

25日 前 | 0

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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...

27日 前 | 0

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