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# Turlough Hughes

Last seen: Today Active since 2019

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how do i store for loop values?
There's only one value because your code is working as follows: for ii = 1:3 A = ii + 1 end Matlab is not told where to ...

28 dagen ago | 0

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Cannot obtain structure elements where both field and variable are indexed into
Try the following: students(1).name='john'; students(2).name='andrea'; arrayfun(@(x) students(x).name(1), 1:2).'

28 dagen ago | 0

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Submitted

MATLAB-Binance-API
Suite of functions for accessing the Binance API via MATLAB. Supports trading on spot accounts and most public endpoints.

I wanted to 3D plot my data like shown in attached image.
Use <https://uk.mathworks.com/help/matlab/ref/surf.html surf()> or doc surf there are several examples at both locatio...

ongeveer een maand ago | 0

how to convert from grayscale to rgb by lightness method ??
You can do the following: I=imread('peppers.png'); newImage = uint8(( double(min(I,[],3)) + double(max(I,[],3)) ) ./ 2); im...

ongeveer een maand ago | 0

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evaluate rising edge sample of a signal
Is it just the local minima you're having trouble with? Edit: The rising edge is found where the slope of the original data ...

ongeveer een maand ago | 0

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How to marker a fplot(anonymous function) function on a specific point which user enters.
You can add it in at the end of your function using plot: function x=calcDisplacement(t) m=1100; k=570; c=430; x0=0.05; v0...

ongeveer een maand ago | 0

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how to select and save particulat part of a column in mat file?
columns = [2 3 5]; rows = 50:100; x = mydata(rows,columns); save('mydata.mat','x')

ongeveer een maand ago | 1

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How to save data in a vector for each loop indice?
x = 1:0.1:1.5; vec=zeros(size(x)); for ii = 1:numel(x) sol = x(ii)+1; vec(ii)=sol; end vec

ongeveer een maand ago | 1

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Random values in timetable
You can collect the data in the loop and then use timetable n = 1; for i = 1:5 Time(i,1) = datetime('now'); Conducti...

ongeveer een maand ago | 2

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

ongeveer een maand ago | 0

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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...

ongeveer een maand ago | 0

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...

ongeveer een maand ago | 1

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...

ongeveer een maand ago | 1

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

ongeveer een maand ago | 0

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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);

ongeveer een maand ago | 0

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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...

ongeveer een maand ago | 0

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

ongeveer een maand ago | 0

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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,...

ongeveer een maand ago | 0

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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} = ...

ongeveer een maand ago | 0

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

ongeveer een maand ago | 1

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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...

ongeveer een maand ago | 1

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(...

3 maanden ago | 1

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 ...

3 maanden ago | 0

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'))

4 maanden ago | 0

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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...

4 maanden ago | 0

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4 maanden ago | 1

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....

5 maanden ago | 0

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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...

5 maanden ago | 0

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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...

5 maanden ago | 0

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