Turlough Hughes

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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 ...

30 días ago | 0

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Answered
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).'

30 días 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.

alrededor de 1 mes ago | 43 downloads |

Answered
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...

alrededor de 1 mes ago | 0

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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...

alrededor de 1 mes ago | 0

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Answered
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 ...

alrededor de 1 mes ago | 0

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Answered
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...

alrededor de 1 mes ago | 0

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Answered
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')

alrededor de 1 mes ago | 1

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Answered
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

alrededor de 1 mes ago | 1

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Answered
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...

alrededor de 1 mes ago | 2

Answered
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

alrededor de 1 mes ago | 0

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Answered
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...

alrededor de 1 mes ago | 0

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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...

alrededor de 1 mes ago | 1

Answered
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...

alrededor de 1 mes 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 ...

alrededor de 1 mes ago | 0

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

alrededor de 1 mes ago | 0

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Answered
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...

alrededor de 1 mes ago | 0

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

alrededor de 1 mes ago | 0

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Answered
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,...

alrededor de 1 mes ago | 0

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Answered
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} = ...

alrededor de 1 mes ago | 0

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

alrededor de 1 mes ago | 1

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Answered
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...

alrededor de 1 mes ago | 1

Answered
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 meses ago | 1

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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 ...

3 meses ago | 0

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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'))

4 meses ago | 0

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Answered
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 meses ago | 0

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

5 meses ago | 1

Answered
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....

5 meses ago | 0

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Answered
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 meses ago | 0

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Answered
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 meses ago | 0

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