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What would be the equation of the following surface?
One assumption might be that it's the sum of two Gaussians, like z = a1 * exp(-( (x-xctr1).^2 + (y-yctr1).^2) / sigma1) + a2 *...

circa 2 mesi fa | 0

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Problem with loop for
This is round-off error, a form of quantization error. See https://en.wikipedia.org/wiki/Round-off_error and https://matlab....

circa 2 mesi fa | 0

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Standalone Application - fwrite invalid file identifier if launched by another user
Maybe try fclose('all') in the code where your app shuts down.

circa 2 mesi fa | 1

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Crack analysis and width measurement in Concrete
I'm pretty sure I've done this several times before. Look up tags concrete, crack, etc. and see what answers of mine pop up. I...

circa 2 mesi fa | 0

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How to enhance and denoise an FFT diffraction image?
If you want only the spectrum from within the green circle regions, you can just zero out everything outside of those. You can ...

circa 2 mesi fa | 2

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How to read and add 100 consecutive images
See attached demo file where I do exactly that. Adapt as needed.

circa 2 mesi fa | 0

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How to eliminate the black part added in the moving image during image registration?
Usually the fixed and moving images will not have black triangles because they are your original source images. Once your movin...

circa 2 mesi fa | 0

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How can I improve the image segmentation and outlining of a layered object?
@NATHAN SUTEMIRE Not sure how I missed this 3 years ago, but here is my solution (better late than never). It uses kmeans to fi...

2 mesi fa | 0

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convert the image sketch in to x,y boundary coordinate
You don't need the (x,y) coordinates. You can work from the binary image directly. Getting the (x,y) coordinates just complica...

2 mesi fa | 0

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How to develop "a model" from a given m-file of regression analysis?
What I would do is to use the Regression Learner app on the Apps tab of the tool ribbon. It's in the Statistics and Machine Lea...

2 mesi fa | 1

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Cropping Abnormal Image for Multiple Laboratory Trials
You can certainly crop out the pad's bounding box to a new image if you need to. Not sure you need to though. I've worked on...

2 mesi fa | 0

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Loop outputting deleted object?
>> test5 Error using input Not enough input arguments. Error in test5 (line 49) output(ii,:) = gammatone(input, CenterFreqs...

2 mesi fa | 0

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Program not calculating properly
Looks like you just took my code that I gave you in your other question and made a few changes to make it not work. I suggest y...

2 mesi fa | 1

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Solving multi-criteria tasks
To learn fundamental concepts, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training

2 mesi fa | 0

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How to find same values in a randi function
I've already done it. You can look at the attached m-file code. % Finds frequency of 5 card poker hands % Reference % https:...

2 mesi fa | 1

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How to read 0's and 1's from an array of images (originally from a video) and store each value (one per image) in a vector?
I don't think your algorithm is good. Contrast enhancement is not necessary and may even give deceptive results. Nor is Otsu t...

2 mesi fa | 1

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How to segment an EMG signal according to a column value?
If your data are in a regular matrix, you can use indexing to extract rows for that class. For example if column 2 contains the...

2 mesi fa | 1

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which type of image conversion have low occupy the CPU & Memory ? gray 2 Lab or ?
Not sure why you're asking. How big are your images? For normal sized images I wouldn't worry about it. I'd just use rgb2lab ...

2 mesi fa | 0

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Software development in Matlab for a standalone application
You can do almost anything in any language. Some might have more built-in libraries than others. Some you have to look for lib...

2 mesi fa | 0

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Is it possible to convert a tiff image to uint16 without changing the images actual appearance?
If you have a uint8 image and the values are in the range of 0-255, it seems to multiply everything by 256 (roughly) to make the...

2 mesi fa | 0

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how to plot table to line graph with dots ?
Your numbers have commas in them instead of decimal points. That's probably why it reads them in as character arrays instead of...

2 mesi fa | 1

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How to add an image to the current axes without replacing existing plots
See my attached examples to inset images and plots into other images and plots.

2 mesi fa | 0

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How to renew license
Like it says, contact your system administrator. If you don't know who it is, call the main Mathworks sales team.

2 mesi fa | 0

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Find data from files that are too large to read in
Perhaps memmapfile? I think its purpose is to look at very large files. help memmapfile

2 mesi fa | 0

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Figures from code executed on Answers are tiny
You might get more attention from the developers if you post here: https://www.mathworks.com/matlabcentral/discussions/ideas

2 mesi fa | 0

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I need Matlab code for STBC-NOMA for my project please help T-T
To get started programming in MATLAB, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training If you don't w...

2 mesi fa | 0

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Got this error message: statset requires Statistics and Machine Learning Toolbox.
Do you see it listed when you give the "ver" command? What does this show hasLicenseForToolbox = license('test', 'Statistics_T...

2 mesi fa | 0

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User Error 2.753: This license does not need to be activated. I am using linux btw and when ı open mathlab ı cannot even run the simple code
Probably the quickest route to success is to do exactly what it says in the FAQ: https://matlab.fandom.com/wiki/FAQ#After_insta...

2 mesi fa | 0

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Retracting the time-tags from the histcounts
Try setting those counts to nan. Then they won't show up. Something like data = 5000 * rand(1, 5000); subplot(1, 2, 1); [co...

2 mesi fa | 0

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How to determine the contact angle of droplet with a cannula in place
Is the cannula always in the same place? Then just mask it out.

2 mesi fa | 0

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