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Unable to "read" Text Area
Good one: "I've confrimed name/no typos." and "My text ares is..." Ha ha. 🤣 Anyway what is selection and selection.TypeText?...

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GLOBAL VARIABLE :HOW USE IT?
See the FAQ: https://matlab.fandom.com/wiki/FAQ#Are_global_variables_bad?

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TASK Create a variable volumes that contains the last two columns of data. You can see the size of data in the output pane to the right of your screen.
Is data a 3-D array? What does this show" whos data If data is a 3-D array you need to do volumes = data(:, 3:4, ;) If data...

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I don't understand why the last line is wrong
Not sure what your goal is, but you can't subtract histogram objects. Perhaps you want to use histcounts() or get a property of...

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Predict classification of a set of images using googlenet
Possibly of interest: https://www.mathworks.com/matlabcentral/fileexchange/103650-matlab-deep-learning-model-hub

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I am getting an error in watermark extraction.. actually extracted watermark is showing blank image. please help me with this code.. thank you
Looks like it requires teh Wavelet toolbox, which I don't have. Is extracted_watermark floating point? If so, try this: imsho...

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Find circularity in low signal to noise image with light relfections
Try this. Adjust parameters as needed to get what you want. % Demo by Image Analyst clc; % Clear the command window. clos...

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how to find average curve of n curves? n=3 in this case
Try findobj or see if you can get XData and YData properties of the figure. Otherwise see if you can get the data or equations/...

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Could individual campus license be used in different computers?
You are allowed to change computers a few times per year, like if you get a new one. I don't know what a "campus" license is. ...

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How to change angles to 0 to 180
You say "What I wanted to do is I want to put all the following angles in the first quadrant ([0,90] so the ones that are alread...

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How to change angles to 0 to 180
How about just adding 180 to all angles less than 0, so for example -135 becomes +45 degrees. mask = angles < 180; angles(mask...

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How can I save "alpha" and "beta" parameters as double using fitdist command?
Try this (untested): % Preallocate a and b column vectors. One element for each file. a = zeros(50, 1); b = zeros(50, 1); %...

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How to hold previous figures when using imagesc?
If you want to paste an opaque copy of the newest image on top of existing images, see my attached copy and paste demo. If you ...

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Conditional if loop for addition of three consecutive numbers in app designer interface
Try it this way (untested and not using disp): x1 = app.EditField.Value x2 = app.EditField_2.Value x3 = app.EditField_3.Valu...

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How to set up a check box to review EMG signals?
Learn how to use App Designer and you can do that: MATLAB App Designer

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Hi guys, my code doesn't run i couldn't debug this, could you anyone help me?
Put the fuunction definition at the END of your script, not near the beginning. Then you need to CALL IT, passing it all the ar...

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plotting trajectory direction of a path
See plot and quiver

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please help to decode the error using data mining
Add this to the end of your .m file: %=========================================================================================...

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Requesting a demo code for calculating second-order statistics (contrast, correlation, energy, homogeneity, and entropy) for medical images.
Try graycoprops. I'm also attaching a related GLCM demo and image moments demo. Good luck. help graycoprops

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Find value at which a line changes its slope
See if my attached piecewise linear fit identifies it correctly for you. If not, then attach your data after reading this: T...

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Read notepad into a variable
Try textLines = readlines(fileName); If you have any more questions, then attach your text file with the paperclip icon after ...

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How to shade the area between two lines (constructed by large number of data points)
FAQ: https://matlab.fandom.com/wiki/FAQ#How_do_I_shade_the_region_between_two_curves?

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Fit gaussian surface on 3D data
That's not 3-D data. That is 2-D data. How about you find the centroid with code I gave you before, then get the average radia...

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sortrows "not enough input arguments"
x = randi(99, 5, 2) x=sortrows(x,1) Seems to work fine. What did you do differently in the 59 prior lines of code?

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Error prediction of imregister results
Try using imabsdiff. However if there are black triangles rotated in, you don't want to compare those so you might have to take...

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my plot is blank?
What does this show in the command window? whos velocitiesB1 whos velocitiesB2 plot(velocitiesB1,velocitiesB2,'b-*'); Please...

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how this command works"meanGL = mean(blackMaskedImage(binaryImage));". My input image is a HSV image. How it calculates the mean.
Let's just take it one step at a time. See if this helps explain it grayScaleImage = magic(6) binaryImage = grayScaleImage > ...

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Why is the horizontal axis 0 to 1 in a histogram for a rgb image?
Please attach one of your images and code to read it in. Evidently your image got converted to floating point. And there is no...

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How to reduce valid coin mask true pixels outside valid coins?
Don't use imfindcircles. Use bwareafilt to select only a certain number of blobs, or blobs in a certain size range.

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How to calcutate the area of each cell?
How were the white boundaries obtained and in what form are they? You can probably use regionprops() if you can make a mask of ...

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