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Turlough Hughes


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221 total contributions since 2019

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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....

3 días ago | 0

| accepted

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...

3 días ago | 0

| accepted

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...

6 días ago | 0

| accepted

Answered
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...

7 días ago | 0

| accepted

Answered
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 ...

7 días ago | 2

Answered
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; % ...

11 días ago | 1

Answered
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...

14 días ago | 0

| accepted

Answered
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...

14 días ago | 1

Submitted


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

28 días ago | 3 downloads |

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Answered
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...

7 meses ago | 0

Answered
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...

8 meses ago | 0

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

8 meses ago | 1

Answered
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...

8 meses ago | 1

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Answered
Sample a 3D surface
If I understand correctly, you just want to generate some x,y values that match your z values (i.e. b): [x,y] = meshgrid(1:size...

8 meses ago | 1

| accepted

Answered
vectorizing or speeding looped code
This should help, though I've already made assumptions about the sizes of arrays. How many rows/columns are in each variable? X...

8 meses ago | 0

Answered
Efficiently calculating sum-thresholds across vector
You could do the following but with the caveat that it assumes samples are all positive values runningSum = cumsum(samples); i...

8 meses ago | 0

| accepted

Answered
how to use an if statement to determine whether an index is out of bounds
If indices is outside of bounds, I want to display ''Error: index is out of bounds.' The conditional expression in your if bloc...

8 meses ago | 0

Answered
How can I create different colors in the plotted chart for a lot of data
I'm coming at this from a slightly different angle. You can interactively highlight different lines by setting up a slider in th...

8 meses ago | 1

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Answered
how to get character from an array using another logical array?
A slight modification on your inputs: V = ['1b.%291x g'; 'yig&aaSgwa'; 'tqtbbs!?R!']; logicalVec = logical([ 1 0 1 0 1 0 1 ...

8 meses ago | 0

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Answered
How to find the most frequently repeated time interval?
First I read in data as a string array opts = detectImportOptions(filename,'TextType','string'); opts.SelectedVariableNames = ...

8 meses ago | 1

| accepted

Answered
How to find a corresponding matrix value
You can get the corresponding values in W as follows [mQ,idx] = max(Q,[],2,'linear') W(idx)

8 meses ago | 1

| accepted

Question


Issue with browser slowing down while using MATLAB answers
While writing/editing answers on the forum, I've been having issues where the tab in my google chrome browser that's in use beco...

10 meses ago | 1 answer | 0

1

answer

Answered
How to select different colors and legend for the bar plot??
For the first part of your question, you can do so as follows: x = rand(3,2); h = bar (x); h(1).FaceColor = 'red' h(2).FaceC...

10 meses ago | 1

| accepted

Answered
averaging the matrix and creating an averaged matrix
As far as I understand you want the average of each 5 rows by 10 columns hence the expected output size of 53x101. You can do th...

10 meses ago | 0

Solved


Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

10 meses ago

Solved


Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

10 meses ago

Solved


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

10 meses ago

Solved


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

10 meses ago

Solved


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

10 meses ago

Solved


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

10 meses ago

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