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make vectors same length using min function
How about x = [2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016]; y = [0, 0.05, 0.1, 0.15, 0.2]; a = [2...

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Find index of a nearest value
Another solution x = [1 2 3 4 5 6 11 15 21 51 52 54 100 101 151 201 251 301 401]; targetValue = 10; [~, index] = min(abs(x - ...

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How to detect right triangles from an image and find the three side lengths of each triangle？
See my Image Segmentation Tutorial in my File Exchange: Image Analyst's File Exchange It's a generic, general purpose demo of ...

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warning in serial properties
If you look in the help, it will tell you. Use serialport instead. I figure you can figure out how to change your code as well...

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Align image to 3d point cloud
You'd have to somehow project your 3-D point cloud onto a 2-D plane so it can be compared to your 3-D image. But then some of t...

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change the color of curve from blue to any color and make it bold
You can specify the color as a 3 element vector with values between 0 and 1, or use one of the built in colors like 'r': y = ra...

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what toolbox to include for regression
For these few data points, and for a case like this where the best fit might simply be a line, you can use the build-in polyfit ...

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MATLAB editor configuration text extremely small
What is the "find bar"? Some of the fonts might still be controlled by the operating system so if you can't change a font siz...

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Why does my matlab code cannot detect the number of periods in a specific time range
Is locs_gelb the yellow signal? It looks like you've already determined how many cracks you have and your loop simply inspects ...

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I have the wrong code. How should I modify it to accomplish the goal?
That should be right, but delete lines 4-6. They should not be there. You pass in the base and height with your test function,...

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How to remove noise of low frequency signals
One way is use envelope, envspectrum, or audioEnvelope. Once you have the envelope, just subtract the lower curve of the envelo...

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what kind of plot is useful for comparing two matrices?
Why a plot and not a 2-D image showing differences? What would your x axis represent? If you treat your matrix as an image the...

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How to find repeated patterns of combination of numbers in the rows of a matrix
I don't have time to try anything for you now, but did you try ismember?

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real-time ROI and scatter plot in app designer
Once you have the ROI, you can get the x and y coordinates from the roi object. I didn't look at your code but when you then st...

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How can I connect the upper endpoint of the red curve to the red dot while keeping the curvature nearly the same?
Try using plot after you use scatter to draw a line from the last point on the curve to the marker you placed with scatter(): f...

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How to draw an uncertain number of sub-images in one coordinate in app designer?
Perhaps you want stackedplot. help stackedplot

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error
The main problem is exactly what it said and that is your script is called image.m which will take priority over a very importan...

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MatLab stays on Run forever and doesn't generate image file
Usually when there is an infinite loop it's with a while loop that never met the condition to exit, and (importantly!) didn't ha...

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Drawing the major and minor axis of an elliptical object in Matlab
This is discussed in this blog entry of Steve Eddins: https://blogs.mathworks.com/steve/2010/07/30/visualizing-regionprops-elli...

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Calculate Mean of vector in more decimals
It is already that. A = [0,1,9]; format short g m = mean(A) fprintf('Mean with 30 decimal places is %.30f.\n', m); format l...

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Peak coming at 50Hz in every data file. How to get rid of that
Find out what index the 50 Hz spike is in and zero it out. Something like f = fft(signal) [peakSignal, indexOfMax] = max(f) ...

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Matlab code to delete contents of a subfolders
Try this. At the bottom of the loop, put in a call to delete or whatever you want: % Start with a folder and get a list of all...

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Adjusting Convex Hull Area
Try regionprops % Make cross. cross = false(5, 5); cross(2:4, 3) = true; cross(3, 2:4) = true; % Measure area of convex hul...

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fenêtrage d'une image scannographie
help conv2 There are other windowed functions, for example stdfilt, imgaussfilt, etc.. It really depends on what you want to d...

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how to do Open mouth detection
See articles on drowsiness detection here: https://www.visionbib.com/bibliography/motion-f725.html#Driver%20Monitoring,%20Eyes,...

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Using matlab in snaptostamps image processing
Try using ./ instead of / in the line where you assign demx.

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What is wrong with this code for finding out the number of significant digits after decimal?
See the FAQ https://matlab.fandom.com/wiki/FAQ#Why_is_0.3_-_0.2_-_0.1_(or_similar)_not_equal_to_zero? One way to compare float...

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Why does Matlab state that I do not have a valid license file?
I suggest the FAQ: https://matlab.fandom.com/wiki/FAQ#After_installation,_MATLAB_crashes_or_gives_an_error_message_when_I_try_to...

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inputdlg Window Not Showing
I ran it and it works fine for me. The input window popped up. Your script in not called inputdlg.m is it? Because that would...

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Manual and Automatic Image Recognition
Most bright spots looks like they're surrounded by a dark spot/ring. Do you want to count those as one of the dark spots? Do y...

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