Turlough Hughes

Last seen: 1 jour ago | Active since 2019

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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...

12 jours 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:...

12 jours ago | 0

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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,'...

13 jours 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...

13 jours 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...

13 jours 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...

13 jours ago | 0

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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 ...

environ un mois ago | 1

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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.

8 mois ago | 19 downloads |

Answered
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')) ...

8 mois 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...

8 mois 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...

8 mois 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

8 mois ago | 0

Answered
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", ...

8 mois 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...

8 mois ago | 0

Answered
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...

8 mois ago | 1

Answered
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...

8 mois 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...

8 mois 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...

8 mois 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...

8 mois 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...

8 mois ago | 1

Answered
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...

8 mois 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...

8 mois ago | 0

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

8 mois ago | 2

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

8 mois 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 = ...

8 mois ago | 0

Answered
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))...

8 mois 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....

8 mois 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...

8 mois 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)

8 mois ago | 0

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Answered
Sort Matlab table based on pre-defined order
Try the following: idx = [2 1 3 4]; T(idx,:) = T

8 mois ago | 0

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