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why do i get "Array indices must be positive integers or logical values " and how do i solve it ?
your X_period should equal to X(0:23) If you want to view it shifted you can have idx = -11:12; and either use plot(idx...
3 Tage vor | 0
movegui in app designer
I opened your mlapp in R2021b (macos intel) and found objects misplaced. I dragged them into positions, saved, closed and reopen...
3 Tage vor | 0
| akzeptiert
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...
6 Monate vor | 0
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...
6 Monate vor | 0
Frage
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...
7 Monate vor | 1 Antwort | 0
1
Antwortintersections 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...
11 Monate vor | 0
Gesendet
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.
11 Monate vor | 1 Download |

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...
11 Monate vor | 0
| akzeptiert
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...
12 Monate vor | 0
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...
12 Monate vor | 0
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.
12 Monate vor | 0
| akzeptiert
Frage
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...
12 Monate vor | 1 Antwort | 1
1
AntwortHow 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...
etwa ein Jahr vor | 0
| akzeptiert
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...
etwa ein Jahr vor | 0
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...
etwa ein Jahr vor | 0
| akzeptiert
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...
etwa ein Jahr vor | 0
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...
etwa ein Jahr vor | 0
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...
etwa ein Jahr vor | 0
| akzeptiert
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 ...
etwa ein Jahr vor | 0
| akzeptiert
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...
etwa ein Jahr vor | 1
Frage
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 ...
etwa ein Jahr vor | 0 Antworten | 0
0
AntwortenPlot timeseries for mean monthly temperature
Try this. xdata = datenum(dataClean(1:3)'); ydata = dataClean(4,:)'; plot(xdata,ydata); datetick x Cheers
etwa ein Jahr vor | 0
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...
etwa ein Jahr vor | 0
| akzeptiert
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...
etwa ein Jahr vor | 1
| akzeptiert
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,....
etwa ein Jahr vor | 0
Arrays have incompatible sizes for this operation.
Try the following change in conv() call on line 5. h12 = conv(h1,h2,'same');
etwa ein Jahr vor | 0
Frage
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'...
etwa ein Jahr vor | 0 Antworten | 0
0
AntwortenText 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 ...
etwa ein Jahr vor | 0
Frage
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...
etwa ein Jahr vor | 0 Antworten | 0
0
AntwortenDetermine -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...
etwa ein Jahr vor | 0