Question

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...

6 mois il y a | 1 réponse | 0

Question

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...

6 mois il y a | 1 réponse | 0

Question

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...

6 mois il y a | 3 réponses | 0

Question

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...

6 mois il y a | 2 réponses | 0

Question

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...

6 mois il y a | 2 réponses | 0

Question

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 ...

6 mois il y a | 1 réponse | 0

Question

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...

7 mois il y a | 1 réponse | 0

Question

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"...

7 mois il y a | 1 réponse | 0

Question

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...

7 mois il y a | 1 réponse | 0

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...

7 mois il y a | 3 réponses | 0

Question

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...

7 mois il y a | 1 réponse | 0

Question

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 ?

7 mois il y a | 2 réponses | 0

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:...

7 mois il y a | 1 réponse | 0

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...

7 mois il y a | 1 réponse | 0

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...

8 mois il y a | 1 réponse | 0

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...

8 mois il y a | 1 réponse | 0

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...

8 mois il y a | 1 réponse | 0

A répondu

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:...

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:...

8 mois il y a | 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...

8 mois il y a | 1 réponse | 0

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...

8 mois il y a | 1 réponse | 0

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...

8 mois il y a | 2 réponses | 0

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...

8 mois il y a | 1 réponse | 0

Question

How to create a double entry table ?

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

8 mois il y a | 1 réponse | 0

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...

8 mois il y a | 1 réponse | 0

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 ...

8 mois il y a | 2 réponses | 0

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_...

8 mois il y a | 1 réponse | 0

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...

8 mois il y a | 1 réponse | 0

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)...

8 mois il y a | 1 réponse | 0

Question

How to calculate the average radius of a boundary in Matlab ?

How to calculate the average radius of a boundary in Matlab ? % Example rng('default') x = rand(30,1); y = rand(30,1); plot...

8 mois il y a | 1 réponse | 0

Question

Compact way to calculate the centroid of a boundary of a set of points

Is there any compact way to calculate the centroid of a boundary of a set of points ?

8 mois il y a | 1 réponse | 1