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calculate the euclidean distance among all the pairs of nodes and use those resulting distances as the edges weights of the graph
Given the positions of nodes in a graph, i.e. x and y coordinates of each node, is there any compact way to calculate the eucl...

4 dagar ago | 1 answer | 0

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A simple way to find (in a cell array) rows that, once flipped, are duplicates of other rows?
A simple way to find (in a cell array) rows that, once flipped, are duplicates of other rows? E.g. in this example a = [ ...

ungefär en månad ago | 1 answer | 0

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Get shortest paths and distances among nodes without loop for (and possibly in a faster way)
How to get shortest paths and distances among nodes (selected from a list) without a loop for, and possibly in a faster way than...

ungefär en månad ago | 1 answer | 0

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How to request user input to press Esc or Enter ?
How to request user input to press Esc or Enter ? % this is a pseudo-code I wrote just to give an idea about what I am trying t...

ungefär 2 månader ago | 1 answer | 0

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Is it possible to use vertcat with dot notation?
EDITED Is it possible to use vertcat with dot notation? This is an example once I extract names from Excel files contained in a...

ungefär 2 månader ago | 3 answers | 0

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Find the value which is repeated in each row of a matrix (without loop for)
In each row of the following matrix, one of the values is repeated. For example, in the first row, the value 523 is repeated twi...

ungefär 2 månader ago | 2 answers | 0

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A very fast way to convert numbers into datetime ?
Is there any faster way then what showed in the following example to convert numbers into datetime ? % Input: time = [ 2.02210...

ungefär 2 månader ago | 2 answers | 0

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Which rows of a 2-column array contain elements of 1-column array.
When I look for the elements of 1-column array, a, inside a 2-column array, b, I would like to know which rows of b contain the ...

ungefär 2 månader ago | 1 answer | 0

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What is the fastest way to export a large matrix of numbers from MATLAB to Excel (preferably as .xlsx) ?
What is the fastest way to export a large matrix of numbers from MATLAB to Excel (preferably as .xlsx) ? It looks like there ar...

2 månader ago | 1 answer | 0

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A very fast way to find elements and their indices? (Is ismember fast?)
A very fast way to find elements and their indices? (Is ismember fast?) This would be my example: % input: create arrays "a"...

2 månader ago | 1 answer | 0

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A very fast way to (i) concatenate and (ii) calculate the difference of elements?
A very fast way to (i) concatenate and (ii) calculate the difference of elements ? Here below my case / example: a1 = dateti...

2 månader ago | 1 answer | 0

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Question

A very fast way to sort datetime (in "ascend" mode)?
A very fast way to sort datetime (in "ascend" mode)? Here an example: a = datetime([ '2022-10-27 00:22:50.000' '202...

2 månader ago | 3 answers | 0

3

answers

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Is there any way to see if the functions I am using in a script/code are included in toolboxes or in the basic Matlab ?
Is there any way to see if the functions I am using in a script/code are included in toolboxes or in the basic Matlab ? The bes...

3 månader ago | 1 answer | 0

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Are the top-ranked Matlab users working for MathWorks, or do they have another job ?
Are the top-ranked Matlab users working for MathWorks, or do they have another job ?

3 månader ago | 2 answers | 0

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Question

How to use dbscan for durations ?
How can I use dbscan for time durations ? A = duration({'00:01:01' '00:00:53' '00:00:55' '00:00:54' '00:...

3 månader ago | 1 answer | 0

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Question

How to cluster data in a histogram ?
How to cluster data in a histogram ? Desired output Input A = duration({'00:01:01' '00:00:53' '00:00:55...

3 månader ago | 1 answer | 0

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Question

Avoid a "loop for" to add multiple "datetime" elements to a cell array
Given the matrix "a" % (1) create the cell array / matrix "a" a = cell(3,3); % (2) add the first elements to the cell a...

3 månader ago | 1 answer | 0

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Question

Add new "datetime" elements to an existing cell array (matrix)
What I have so far: a = cell(3,3); index = [1 1 2 1 3 3]; b = datetime({'00:01:35' '00:01:1...

3 månader ago | 1 answer | 0

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answer

Question

code vectorization: assign numbers or datetime/durations to cell arrays, without any loop
Here following I am trying to assign numbers or datetime/durations to a cell array, without any loop. In one case the result i...

3 månader ago | 1 answer | 0

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answer

Answered
difference of datetimes using the "diff" function
ah.... probably this one ? >> diff(a,1,2) ans = 8×1 duration array 00:04:11 00:01:09 00:01:24 00:15:...

3 månader ago | 0

Question

difference of datetimes using the "diff" function
I would like to find the temporal difference between the elements in the first (left) column and the elements in the second (rig...

3 månader ago | 1 answer | 0

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answer

Question

compact way to plot "duration" elements, with different colors
Do you know a compact way to plot a set of duration elements in different colors, without the loop for ? % input (set of durati...

3 månader ago | 1 answer | 0

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answer

Question

histogram of datetimes with customisable bin width
How to plot a histogram of (differences of) datetimes, with a customizable bin width, such as 1 minute ? This is my attempt, bu...

3 månader ago | 2 answers | 0

2

answers

Question

writetable for a double entry table
When I write a table with a double entry as a csv file.... labels_1 = {'FirstName' 'Height' 'Weight' 'BloodPressure'} labels_2...

3 månader ago | 1 answer | 0

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Question

How to create a double entry table ?
How to create a double entry table ? Here below an example:

3 månader ago | 1 answer | 0

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Question

convert exp number to datetime
Hi, I have this number that I would like to convert into datetime.. I am not sure about which function to use and how.. any sugg...

3 månader ago | 1 answer | 0

1

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Question

Compact way to plot data with relative colors and legend
Is there any way to plot data with relative colors and legend in a more compact way than this one ? Note: to remove duplicates ...

4 månader ago | 2 answers | 0

2

answers

Question

compact way to calculate euclidean distance among points
What is a compact way to calculate the euclidean distance among point "a" and the four points "b" ? % Input: a = [0,0]; % x_...

4 månader ago | 1 answer | 0

1

answer

Question

A compact way to find max in one column with a condition on the second column
Given a = [35 -1 21 1 11 2]; I want the max in the first column, but the max cannot be that one where ther...

4 månader ago | 1 answer | 0

1

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Question

Automatic change of legend's arguments
Let's consider this example: labels = {'A','B','C'}; hold on for i = [1 2 3] h(i) = plot(rand(10,1)); end legend([h(1)...

4 månader ago | 1 answer | 0

1

answer

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