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Insert values of one vector at specific places into another
a = [0 0 0 0 1 0 0 0 1 0 1 0 0 0 1 0 0 1 0]; b = [ 10 20 30 40 50 ]; c = zeros(size(a)); c(logical(a)) = b

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access data returned from a method of a class in other methods
You could make it a private property, the private property can only be accessed by the class (see property attributes). You're p...

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How can I find the Y value on an X–Y plot that corresponds to the tangent of the flattest part of a curve?
How robust this is depends on the consistency of that initial pattern, i.e. the initial acceleration followed by a period of dec...

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How to locate the x and y co-ordinate of minimum value from a contour plot automatically ?
Try: [min_e,index] = min(e,[],'all','linear'); x_min = x(index); y_min = y(index); hold on, plot(x_min,y_min,'ok','MarkerF...

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Set properties from Superclass in subclass
Set the Access attribute in the superclass: classdef food properties protein carbs end ...

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Repeat a 2D matrix at multiple places in 5D matrix
You could do the following: A(:, :, 2, :, :) = repmat(B,1,1,1,2,2);

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Unable to perform assignment because the left and right sides have a different number of elements.
Your vlookup is not returning a value when j = 634. You will need a condition to deal with this when it happens. For example...

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How to revert Editor window in MATLAB 2021A back to normal?

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add data information with scatter or plot
Personally, I would just use scatter3 and then look at the data from above (along the z-axis). So something like: scatter3(x,y,...

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Interchange dimensions of cell array and the matrices included in it
Here's one way temp = vertcat(originalData{:}); D = repmat({zeros(3,27)},1,1000); % preallocate for ii = 1:1000 D{ii} = ...

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rectangle invisible in matlab
The following works for me: roi.Visible = 'off';

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How to extract points from a 3D plot that fall within a particular distance from the center coordinate?
The points which are within a radius, r, from the origin can be obtained as follows: index = sum(X.^2,2) < r^2; % X is an n by...

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connect Matlab to Binance API
Try my recent submission to the file exchange: MATLAB-Binance-API Then placing a limit order is simply: obj = spot.newOrder(...

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Finding coordinates with image processing
You could use the regionprops function to get the centroids. See the following example: % This just sets up an image for demo ...

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Extracting files of the same name only from the first level of subdirectories
Hey Bob, a single star will go down one level only, so try the following: list = dir(fullfile(Alevel,'*','filename.txt'))

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switch command on listbox value
You can get an index of the selected values as follows: idx = ismember(app.ListBox.Items,app.ListBox.Value); Then, make the pl...

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Reading values from xml file
You can now read XML files in R2021a using readtable (and readtimetable). For example: filename = 'students.xml'; T = readtabl...

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How can I assign information to my array file?
You could make a table as follows: w = strings(size(mci)); w(mci<0.4) = "wheeze"; w(mci>=0.4) = "non-wheeze"; T = table(mci....

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Capture plot titles using getframe and writerobj
You can use the figure handle (instead of the axis handle) with the getframe function and that captures the entire interior of t...

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How to divide images from folder into 4x4 blocks
Hi Petrus, the mat2cell approach that Jonas pointed out can be done more generally as follows. Note, this handles the scenario w...

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Identify index of cell based on stringlength
Example data: Tstr{1}{1,1} = 'Hello... It me, I was wondering if after all these years youd like to meet'; Tstr{1}{2,1} = '18...

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bitget working with an example
As I'm sure you know, computers communicate at the lowest level with underlying switch-like states known as bits, whose digital ...

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Getting error while deleting every row of the matrix M that contains the variable x
No need for any loops. Here's an example of data to work with M = randi(10,[10 3]); % sample data x = 3; % ...

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Plotting doubles against cells
Here's an example, i've used X and Y in place of AAG and AAI to simplify: % example data X = arrayfun(@(x) cell(1,randi(1000,1...

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Saving Output in a While Loop
You could store the letters as follows in the variable currentResult. I've added in some conditions to count lives. One could al...

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codesearch
Quickly search all folders and subfolders from your user path for m-files that contain a specific search term.

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Increase matrix size, with the first matrix a the center of the new matrix
There is a function made specifically for this called padarray, try the following example: A = rand(2000); B = padarray(A,[100...

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Rescale points plotted using scatter3 based on their distance from the origin
Yes. Firstly get distances from the origin: d = sqrt(sum(A.^2,2)); If you have the machine learning & statistics toolbox, you...

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Extracting specific rows with different content from a large table array
Tnew = T(T.MatDate>=SpecificDay-30 & T.MatDate<=SpecificDay+10,:);

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How to pick the values from individual grids ?
The objective is to create an excel sheet with columns of data having different length. You can store data that has different le...

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