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Plotting in 3D using dashed and solid lines for a given range of R2
You may call quiver3() twice in separate statements one with solid line spec and the other with dashed line spec. E.g. as your...

3 days ago | 0

Answered
How to set a variable in the simulink workspace from the model itself?
You can use model callback functions. E.g. Preload, postload, init. See more info here https://mathworks.com/help/simulink/ug/mo...

3 days ago | 0

Question

Vectorizing a loop for cumulative sum with reset
The lines below work fine to compute cumulative sum on a 1D logical array ('s') such that the summation resets to zero whereever...

1 month ago | 1 answer | 0

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answer

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intersections between rays and 2D square grid
Each line has an equation, and in this case several lines have simple equations like y=c (horizontal lines) or x=c (vertical lin...

5 months ago | 0

Submitted

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

5 months ago | 1 download |

Answered
How to put name of images files on workspace ?
Initialise count = {}; instead of count = []; then replace the count update before imwrite() as count(end+1,:) = {file_nrm...

5 months ago | 0

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Answered
3 point radius of curvature of a circle
Just fit a circle through the xy coordinate data and you would get centre and radius. See https://lucidar.me/en/mathematics/lea...

6 months ago | 0

Answered
How do I design my code so that when the user presses a button, a sound plays?
In the app you will see callback functions for each button. Eg you right click a button and select add buttonpressed callback an...

6 months ago | 0

Answered
How to create a DLL file from .cpp and .h in Matlab?
You dont need matlab to compile C/cpp files. Just need a c/cpp compiler.

6 months ago | 0

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Question

Effect of os clock change on timers
I see that on Windows 7 and Matlab 2017a, timer execution can be thrown astray if OS clock jumps back. E.g., if timer callback w...

6 months ago | 1 answer | 1

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Answered
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...

6 months ago | 0

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Answered
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...

6 months ago | 0

Answered
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...

6 months ago | 0

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Answered
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...

6 months ago | 0

Answered
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...

6 months ago | 0

Answered
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...

6 months ago | 0

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Answered
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 ...

6 months ago | 0

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Answered
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...

6 months ago | 1

Question

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 ...

6 months ago | 0 answers | 0

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

6 months ago | 0

Answered
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...

6 months ago | 0

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Answered
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...

6 months ago | 1

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Answered
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,....

6 months ago | 0

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

6 months ago | 0

Question

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'...

6 months ago | 0 answers | 0

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Answered
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 ...

6 months ago | 0

Question

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...

7 months ago | 0 answers | 0

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Answered
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...

7 months ago | 0

Answered
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

7 months ago | 0

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Answered
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...

7 months ago | 0

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