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how can we represent a pixel to a character in image ?
Hints: imread, rgb2gray, imshow, imresize, fprintf, size. With a double for loop over rows and columns and those 6 functions, y...

más de 2 años hace | 0

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Real Football Draft Order Adventure
Here's some help: To learn fundamental concepts, invest 2 hours of your time here: MATLAB Academy - Free 2 hour training T...

más de 2 años hace | 0

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Smooth data on a Sloping wall
I'd try to rotate the wall so that it's perfectly vertical or horizontal. Then use movmean or conv2 to blur it. Then rotate it...

más de 2 años hace | 0

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Trying to fix error 353 or error 1616 'no more activations available' but cant deactivate old copy on a crashed machine
You can deactivate from the Mathworks website. Just login and go to your account and look for a link that lists your licenses a...

más de 2 años hace | 0

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I want my line graph to Overlap
Try this to reposition the legend from the default location to a location that you find more desirable. % Plot something. plot...

más de 2 años hace | 0

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What criteria should be used to select the number of images used in image processing for detection the drawbacks of any surfaces?
It depends on your situation. So I'm presuming you have some ground truth that tells you whether the algorithm gave the correct...

más de 2 años hace | 0

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How to have MATLAB provide picture output from a typed sentence
Use a dictionary to find the image file name corresponding to the word. For example the word "speak" might correspond to the "s...

más de 2 años hace | 0

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Overall intensity calculation from an image
Not sure what you mean by overall intensity. You can get the red channel like this redChannel = rgbImage(:, :, 1); % Get sum ...

más de 2 años hace | 0

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Edge tracing - left side only
@Carolina Vazquez try this: % Demo by Image Analyst clc; % Clear the command window. close all; % Close all figures (exce...

más de 2 años hace | 1

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green arrow for current line and variable values not displaying during debug pause at breakpoint
So it stopped on line 68 but there is no green arrow pointing to that line? It could be some kind of display adapter issue. Wh...

más de 2 años hace | 0

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When are previous version of MATLAB at end of life?
Not sure but those are new enough that they are still supported. If you did have like a 15 year old version, it would probably ...

más de 2 años hace | 0

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my license check failed for cytomap. Please help?
What license? Can you run MATLAB at all, even before trying to run Cytomap? If so, I'd recommend you contact the author: http...

más de 2 años hace | 0

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my detector shows multiple bounding boxes .
I don't know what your detector does or how it operates or even what function you called. However maybe you can run through the...

más de 2 años hace | 0

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How to make a nonperiodic signal periodic?
How about making it for one chunk, and then using repmat to make copies of it? You can't go from t → -∞, +∞ but you can go for...

más de 2 años hace | 1

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insert two vertical axes (left and right) into the same bar graph
Wow, that is confusing. As a consumer of your data visualization, that would be very confusing for me to interpret. What I'd...

más de 2 años hace | 1

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Return largest number of decimal places in a vector of numbers
All double numbers have the same number of decimal points, unless they're rounded, because they're all 64 bit numbers. Watch: ...

más de 2 años hace | 0

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Identifying regions in matrix rows
If you have the Image Processing Toolbox, it's pretty easy: M = [...] 1 2 3 -1 -1 -1 -1 -1 -1 ...

más de 2 años hace | 0

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How can I deactivate MATLAB on a pc I cannot access?
You can do it via the webiste. Login to mathworks.com with your account credentials. Go to "My Account" by clicking on your ic...

más de 2 años hace | 0

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imwrite is corrupting a mex file when I run it
I believe imwrite, when saving tiff files expects them to be uint8 in the range of 0-255 or uint16 in the range 0-65535. You're...

más de 2 años hace | 0

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Draw samples using a Non-Gaussian distribution
Let's say you have a vector of 100 numbers. The numbers could be anything -- doesn't matter, and we don't care. To make x from...

más de 2 años hace | 0

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how sort data in the excel
Try this: filename = "sort_dataset.xlsx"; % Read data into a table variable. t = readtable(filename) % Sort table in order ...

más de 2 años hace | 1

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Invalid expression please fix :(
"can send screenshots of code running that would be helpful". It runs fine in r2023a and r2023b (see below). Now it's your tu...

más de 2 años hace | 0

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how to solve this problem, when run a exe
You can get any MCR from here: https://www.mathworks.com/products/compiler/matlab-runtime.html

más de 2 años hace | 0

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Complex Roots of a quadratic function
Why not call the built-in roots function? help roots

más de 2 años hace | 0

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Error when upload image to GUI
You do not have an axes with the name axes2. Open up GUIDE, click on all your axes controls, and look at the "Tag" property. S...

más de 2 años hace | 0

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Color Label Image By Region Property
You can still use label2rgb -- just construct your colormap so that each row has the color you want for that particular blob (ba...

más de 2 años hace | 1

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How do I do a regress like this?
Not sure why you need a regression. How about this to just find out the percentage decrease at each time point. Then compute t...

más de 2 años hace | 1

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Magnify Surface Blobs and Paint Them
Well there are two ways to draw outlines of the original and enlarged region. Use bwboundaries to get the outline of the segmen...

más de 2 años hace | 0

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How to fix problem with subplot and for loop
N_fact=0.2:0.6:4 numel(N_fact) You can see that you need at least 7 plots but with "3,2" you're setting up a layout of only 6 ...

más de 2 años hace | 0

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How do I add commas to numbers using fprintf?
See my attached utility function that inserts commas to make a string out of a number. Then in your fprintf you print the strin...

más de 2 años hace | 0