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Question
How to cluster lines ?
How to cluster lines ? Here below an example: x = [1 1 2 3 4 5 6 7 1 1 2 3 3 4 4 5 15 15 15 16 16 16 17 18 20...
18 hours ago | 1 answer | 0
1
answerQuestion
How do I label the bars in my histogram with the function "histogram" ?
In a similar thread a user asked: How do I label the bars in my histogram? However, that person mentioned the function hist, in...
5 days ago | 1 answer | 0
1
answerQuestion
find rows in a matrix where all the elements (of those rows) are not NaN
How to finds rows in "a" where both elements of those rows (2 in this case) are numbers and not "NaN" ? a = [ NaN Na...
5 days ago | 1 answer | 0
1
answerCompact way to extract day and hour from a datetime / datestrings format ?
Thanks a lot @Voss, your code does what I need... In my case, I did in this way and it works: t = datetime(time_array); % I fou...
8 days ago | 0
Question
Compact way to extract day and hour from a datetime / datestrings format ?
I have a cell array including datetime / datestrings data, i.e. days and hours. Here following, I show two examples related to...
9 days ago | 2 answers | 0
2
answersQuestion
Suggestions on how to detect anomalies in around 200k time series, maybe with deep learning, maybe in a fast way?
I have tried Time Series Anomaly Detection Using Deep Learning, with just a few thousands of time series, but it is very slow......
18 days ago | 2 answers | 0
2
answersFind cycles in an undirected graph
Hey @Matt J! hope this message finds you well! I am back to my post after a while :-) ... I have a quite silly question..... I ...
21 days ago | 0
Submitted
Unique function for rows with switched elements
Find unique rows in a 2-element matrix, when rows have switched elements. E.g. when row "1 5" and row "5 1" are both present.
27 days ago | 1 download |
A (possibly compact) way to find (1) unique rows, when rows have switched elements, (2) rows with switched elements, and (3) indices of rows with switched elements
This is my solution and I have created the corresponding File Exchange if interested! a = [1 2 4 5 5 1 2 1 ...
27 days ago | 0
| accepted
Question
A (possibly compact) way to find (1) unique rows, when rows have switched elements, (2) rows with switched elements, and (3) indices of rows with switched elements
I have a 2-column matrix and I would need to find the following quantites, possibly in a compact way: unique rows, even when th...
27 days ago | 3 answers | 0
3
answersQuestion
different locations of y-axes and ylabels in subplots
I have 4 subplots and I would like to have: all the 4 ylabel texts (here called as "first", "second", "third" and "fourth") pe...
2 months ago | 1 answer | 0
1
answerQuestion
Convert digital numbers to datetime elements
I have two types of time arrays, t1 and t2, with the same number of elements, i.e. 1056, and both indicating a time range of 44 ...
2 months ago | 1 answer | 0
1
answerQuestion
Can "datetime" be responsible for the misalignment of data in a plot ?
I have two types of time vectors, t1 and t2, both indicating a time range of 44 days: % vector t1 t1 = linspace(0,44,1057); ...
2 months ago | 2 answers | 0
2
answersQuestion
Extend a cell array of dates (from days only, to hours and days) in a compact way
I have a cell vector containing 44 dates, i.e. days: >> C ans = 44×1 cell array {'17-Jun-2017'} {'18-Jun-20...
2 months ago | 4 answers | 0
4
answersQuestion
Subplots of subplots (maybe using subaxis)
I am using the beast exchange file, which default example, load('Nile.mat') % annual streamflow of the Nile Ri...
2 months ago | 1 answer | 0
1
answerQuestion
How to create an overall legend for subplots with the SUBAXIS function?
Hi, how can I create an overall legend by using the subaxis function? The following example does not work: x = -10:10; city...
2 months ago | 1 answer | 1
1
answerQuestion
Select elements of a matrix using an array (of indices)
Hi, I have a matrix composed of 2 columns, called A, and an array of "indices", called I. For each row of A, I would like to s...
2 months ago | 1 answer | 0
1
answerQuestion
Compact way to horizontally concatenate a cell array without the first columns of the cells
Hi, I have two matrices A and B that are "stored" inside a cell array C. Just manipulating the cell array C (and not matrices ...
3 months ago | 1 answer | 0
1
answerQuestion
Compact way to write matrices containing indices
Hi, I have an array A and a matrix B. (Task 1) First, I would like to check which elements of A are members of the first colum...
3 months ago | 2 answers | 0
2
answersQuestion
If condition: "in each row of a matrix one element is zero and the other one is not zero"
How can I write the if condition in a more compact way than if size(find(sum(A==0,2)==1),1) == size(A,1) to express that "i...
3 months ago | 3 answers | 0
3
answersmatlab_R2022a_maci64.dmg installation crashes after a while.. solutions?
I solved it by: disconnecting the wifi and using mobile phone data changing destination as /Applications/another_folder/MATLA...
4 months ago | 0
| accepted
Question
matlab_R2022a_maci64.dmg installation crashes after a while.. solutions?
matlab_R2022a_maci64.dmg installation crashes after a while.. solutions? Note 1: DESTINATION: /Applications/MATLAB_R2022a.app ...
4 months ago | 1 answer | 0
1
answerQuestion
How to draw a "xline" with a given height for the line and a given vertical position for the text?
How to draw a xline with a given height for the line and a given vertical position for the text? In other words, I need a short...
4 months ago | 3 answers | 0
3
answersCreate a patch which includes all the histogram profiles
@AndresVar: I also got a solution.... it has a few bugs, but it works in the way I was thinking... clear all; close all; clc; ...
4 months ago | 0
Question
Create a patch which includes all the histogram profiles
Hi, I have several profiles/skylines of histograms: hold on for i = 1 : 10 X = normrnd(3000,10,[1,1000 ]); histogram...
4 months ago | 2 answers | 0
2
answersQuestion
How can I plot the profile/skyline of an histogram from histcounts?
Hi, how can I plot the profile/skyline of an histogram from histcounts? This is my attempt with the function stairs, which does...
4 months ago | 1 answer | 0
1
answerQuestion
Plot occurrences of values with bin edges, by using "histcounts" and "plot" functions
Hi, I have 1000 normally distributed random numbers (with mean = 3 and standard deviation = 10): X = normrnd(3,10,[1,1000]) I ...
4 months ago | 1 answer | 0
1
answerSum elements in the first column according to repeated values in a second column
I found this solution, but I would like to avoid the loop for: [a,b] = unique(A(:,2)); [~,d] = unique(A(:,2),'last'); for i =...
4 months ago | 0
Question
Sum elements in the first column according to repeated values in a second column
Hi, I have a two columns matrix, where the elements of the second column are repeated (here below in my example, 55, 98 and 17 a...
4 months ago | 2 answers | 0
2
answersQuestion
How to calculate the centroid / center of a patch?
Hi, how can I calculate the centroid / center of a patch? Maybe something like this? [Xc,Yc] = centroid(patch('XData',X,'YDat...
4 months ago | 3 answers | 0