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**Content Feed**

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...

25 days 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.

25 days ago | 12 downloads |

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...

27 days ago | 0

| accepted

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...

1 month ago | 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...

1 month ago | 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.

2 months ago | 0

| accepted

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...

2 months ago | 1 answer | 1

### 1

answerHow 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...

2 months ago | 0

| accepted

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...

2 months ago | 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...

2 months ago | 0

| accepted

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...

2 months ago | 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...

2 months ago | 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...

2 months ago | 0

| accepted

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 ...

2 months ago | 0

| accepted

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...

2 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 ...

2 months ago | 0 answers | 0

### 0

answersPlot timeseries for mean monthly temperature

Try this. xdata = datenum(dataClean(1:3)'); ydata = dataClean(4,:)'; plot(xdata,ydata); datetick x Cheers

2 months ago | 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...

2 months ago | 0

| accepted

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...

2 months ago | 1

| accepted

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,....

2 months ago | 0

Arrays have incompatible sizes for this operation.

Try the following change in conv() call on line 5. h12 = conv(h1,h2,'same');

2 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'...

2 months ago | 0 answers | 0

### 0

answersText 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 ...

2 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...

2 months ago | 0 answers | 0

### 0

answersDetermine -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...

2 months ago | 0

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

2 months ago | 0

| accepted

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...

2 months ago | 0

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 ...

2 months ago | 0

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()

3 months ago | 0

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...

3 months ago | 0