Turlough Hughes

Last seen: 1 year ago | Active since 2019

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MATLAB-Binance-API
Suite of functions for accessing the Binance API via MATLAB. Supports spot and margin trading and all public endpoints.

4 months ago | 12 downloads |

Answered
Code to assign correlation values from a correlation matrix to a column vector
You're almost there - use the loop variable, ii, to index into cors as follows: sz = 1000; iters = 10000; cors = zeros(iters,...

1 year ago | 0

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How to use dir function with customized number of folders
You can do the following: p = dir('C:\Username\myfolder'); dateStringFromFilename = regexp({p.name}.','\d{2}-\d{2}-\d{4}','mat...

2 years ago | 1

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Answered
what's the meaning of 'minprominence' in islocalmin or islocalmax function?
Given that I don't have your dataset, I'll use the following data to help demonstrate how prominence is calculated: x = 0:0.01:...

2 years ago | 1

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Answered
Sum groups of columns
Here's another option: a = rand(10,4600); b = mat2cell(a,height(a),repmat(50,1,width(a)/50)); result = cellfun(@(x) sum(x,'...

2 years ago | 0

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App Designer Tab name xlsl
Have a look at your component browser in the app designer, and you'll see app.Tab1 or something similar (as shown above). Cl...

2 years ago | 0

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Can figures or menues open up without app designer's objects placed on the canvas?
Your figures will open up outside the app canvas - and if you're wondering, they will also generate outside the app's canvas wit...

2 years ago | 0

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Accessing User Data in Standalone App
You can store image paths in a property in your app (see imageFiles in the attached .mlapp file) and then use that to load the i...

2 years ago | 0

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Answered
What should go in a next-generation MATLAB X?
When using the debugger, I would love to have a button to Step (run the next line) and display output regardless of the ; being ...

2 years ago | 1

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Read data from text file. Tables with uneven number of rows
fid = fopen('t1.txt'); c = 1; while ~feof(fid) d = fgetl(fid); if ~isempty(regexp(d,'X.*Y.*Z.*Energy', 'once')) ...

3 years ago | 0

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How to image one text file from many
You could use imagesc or imshow(___,[]) as follows: dataImage = randi(1000,100,100,5); % example data you could have for dataIm...

3 years ago | 0

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Answered
Graphing a For Loop Array
i can either be the index or a value that you use on the RHS of your equations but typically not both. To fix your code you coul...

3 years ago | 0

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How can Windows 10 user account info be accessed through Matlab
You could try system as follows: [~,info] = system('whoami'); [~,info] = system('net user'); % another possibility

3 years ago | 0

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How to set names to each colunm and row using "writematrix"?
You can use writetable for this as follows: B = rand(100,13); Labels=["Irr", "SOC", "PVHarvest", "Mecons", "ElecEne", "PVen", ...

3 years ago | 1

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Answered
Im trying to find the zeroes of the two lines on the graphs I've made
If you have the mapping toolbox then polyxpoly is very handy for this. For example: x = linspace(-1.5*pi,1.5*pi,1000); y = sin...

3 years ago | 0

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Jump Discontinuity Functions Open and Close Circle
My preferred approach is to use fplot as follows: clc, clear figure(), hold on axis ([-10 10 -10 20]) fplot(@(x) x.^2, [-p...

3 years ago | 1

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I need help on finding the max & min values of a 3d array.
From the documentation for max: M = max(A,[],'all') finds the maximum over all elements of A. This syntax is valid for MATLAB...

3 years ago | 0

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Answered
Find and remove equal element in 2 different cell with different size
% Your sample data A = {[100,103,104],[4,5,11],[66],[4,5,1],[85,88,89,77]}; B = {[40,41,41],[4,5,11],[68],[85,88,89,77],[31,66...

3 years ago | 0

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Answered
How to add a new column in a table and then write on a file only some columns?
I like to use addvars and removevars for this: T = readtable('https://uk.mathworks.com/matlabcentral/answers/uploaded_files/887...

3 years ago | 1

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Answered
How can I average the vectors within the grid cell?
% code provided in the question [X,Y] = meshgrid(0:6,0:6); U = 0.25*X; V = 0.5*Y; [Xq,Yq] = meshgrid(0:0.25:6); Uq = interp...

3 years ago | 0

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Answered
How can I make a bar graph using only max/min values with std dev line on both ends?
x = rand(10,3); boxplot(x); Normally (at least for most other plot functions) you could do this sort of thing with a name-valu...

3 years ago | 1

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How to find elements in an array faster / without using for loop?
In the example you provided you aren't actually storing any of the indices. It is also important to consider that you will get r...

3 years ago | 1

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Answered
Open multiple timetables within an array into one matrix
Let's call the cell array data, then you can vertically concatentate as follows: oneBigTable = vertcat(data{:}); If you want i...

3 years ago | 0

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How to find out if a logical array is all zeros?
One way: ~any(x)

3 years ago | 2

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how to find zero value with find
Try the following: find(BC==0) or find(~BC)

3 years ago | 1

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I am trying to display multiple lines of centered text
Here's one way: t = ["On a scale of 0 to 8, how much control did you have over the target circle?"; "0 = no control & 8 = ...

3 years ago | 0

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Assign NaN to specific rows(based on criteria) for multiple table variables
You can do that as follows: % Firstly some sample data T = array2timetable(randi(3,10,5),'Rowtimes',datetime() + seconds(0:9))...

3 years ago | 0

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Answered
How can I incorporate the angle of orientation in my colourmap?
To represent the orientations with arrows, you could a quiver plot as follows: %Import the data data = readmatrix('https://uk....

3 years ago | 1

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Answered
How do I juxtapose the two plots so that the circles indicating the peak amplitude is in contrast with the plot?
You need to include t in your call to findpeaks. For example: t = linspace(0,1,1000); Ca = t./exp(t).*(1-sin(2*pi*t*20)); p...

3 years ago | 0

Answered
How to interpolate data in cells?
As follows: S_or_x_cycle2 = cellfun(@(x) interpft(x,100), S_or_x_cycle, 'uni', 0)

3 years ago | 0

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