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Question


Customise axis ticks and ticks labels with exponential notation
How can I customise both axes to get this figure, with this exponential notation ?

17 hours ago | 1 answer | 0

1

answer

Question


How to avoid "NaT" when converting a cell into datetime ? (Or: how to add missing parts of datetime ?)
How to avoid "NaT" when converting a cell into datetime ? (Or: how to add missing parts of datetime ?) a = [ {'14-Jul-20...

1 day ago | 1 answer | 0

1

answer

Question


How to find the most dominant frequency(ies) of time series that include datetime ?
How can I find the most dominant frequency(ies) of this time series that includes datetime ? a = { '17-Jun-2021 12:00:00',...

2 days ago | 0 answers | 0

0

answers

Question


How to find the frequencies of a time series which contain datetime ?
How to find the frequencies of a time series which contain datetime, as in the following example ? (Note: I did not find such a...

3 days ago | 2 answers | 0

2

answers

Question


A compact way to remove empty rows in a cell array matrix ?
A compact way to remove empty rows in a cell array matrix, as the following one? >> a a = 8×2 cell array {'22-Ju...

3 days ago | 1 answer | 0

1

answer

Question


Store cell arrays composed of datetimes and numbers
Description & Goal. I have several cell arrays composed of datetimes "dt" and numbers/values "n", similar to this one: [cellstr...

4 days ago | 1 answer | 0

1

answer

Question


A compact way to find single digit numbers (i.e. numbers between 0 and 9) and replace them with two digit numbers
A compact way to find single digit numbers (i.e. numbers between 0 and 9) and replace them with two digit numbers ? For example...

4 days ago | 2 answers | 0

2

answers

Answered
A compact way to extract a date from a filename and transform it into a datetime
found it: s = '20210317'; datetime(s, 'InputFormat', 'yyyyMMdd') which gives this: ans = datetime 17-Mar-2021

4 days ago | 0

| accepted

Question


A compact way to extract a date from a filename and transform it into a datetime
A compact way to extract a date from a filename and transform it into a datetime ? E.g. from '20210317.csv' to ans = date...

4 days ago | 1 answer | 0

1

answer

Answered
How to convert a graph / edges list into a shapefile (.shp) ?
@Christine Tobler Since I did not understand exactly how to perform the steps you suggested... % Matlab graph --> geolineshape ...

1 month ago | 0

Question


How to convert a graph / edges list into a shapefile (.shp) ?
How to convert a graph / edges list into a shapefile (.shp) ? Here an example of graph "G", built up with Matlab: s = [1 1 2 2...

1 month ago | 2 answers | 0

2

answers

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...

1 month ago | 1 answer | 0

1

answer

Question


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...

1 month ago | 1 answer | 0

1

answer

Question


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...

1 month ago | 1 answer | 0

1

answer

Answered
Compact 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...

2 months 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...

2 months ago | 2 answers | 0

2

answers

Question


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......

2 months ago | 2 answers | 0

2

answers

Answered
Find 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 ...

2 months ago | 0

Answered
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 ...

2 months 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...

2 months ago | 3 answers | 0

3

answers

Question


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...

3 months ago | 1 answer | 0

1

answer

Question


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 ...

3 months ago | 1 answer | 0

1

answer

Question


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); ...

3 months ago | 2 answers | 0

2

answers

Question


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...

3 months ago | 4 answers | 0

4

answers

Question


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...

3 months ago | 1 answer | 0

1

answer

Question


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...

4 months ago | 1 answer | 1

1

answer

Question


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...

4 months ago | 1 answer | 0

1

answer

Question


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 ...

4 months ago | 1 answer | 0

1

answer

Question


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...

4 months ago | 2 answers | 0

2

answers

Question


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...

5 months ago | 3 answers | 0

3

answers

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