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...

meer dan een jaar ago | 3 answers | 0

3

answers

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...

meer dan een jaar ago | 2 answers | 0

2

answers

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...

meer dan een jaar ago | 2 answers | 0

2

answers

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 ...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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"...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 3 answers | 0

3

answers

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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 ?

meer dan een jaar ago | 2 answers | 0

2

answers

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:...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

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...

meer dan een jaar ago | 1 answer | 0

1

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:...

meer dan een jaar 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...

meer dan een jaar ago | 1 answer | 0

1

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...

meer dan een jaar ago | 1 answer | 0

1

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...

meer dan een jaar 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...

meer dan een jaar ago | 1 answer | 0

1

answer

Question

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

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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 ...

meer dan een jaar 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_...

meer dan een jaar 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...

meer dan een jaar ago | 1 answer | 0

1

answer

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)...

meer dan een jaar ago | 1 answer | 0

1

answer

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...

meer dan een jaar ago | 1 answer | 0

1

answer

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 ?

meer dan een jaar ago | 2 answers | 1

2

answers

Question

Error with clusterDBSCAN.discoverClusters
I was trying to run the Examples: Display Cluster Hierarchy, but I got an error. Any idea on how to solve it ? Here the cod...

meer dan een jaar ago | 1 answer | 0

1

answer

Question

Is there any implementation of the KMD clustering in Matlab ?
In Choose Cluster Analysis Method I do not see the KMD clustering (core) clusters. Is there any implementation of the KMD clust...

meer dan een jaar ago | 1 answer | 0

1

answer