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**Content Feed**

Question

Customise axis ticks and ticks labels with exponential notation

How can I customise both axes to get this figure, with this exponential notation ?

3 days ago | 1 answer | 0

### 1

answerQuestion

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...

4 days ago | 1 answer | 0

### 1

answerQuestion

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',...

5 days ago | 0 answers | 0

### 0

answersQuestion

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...

5 days ago | 2 answers | 0

### 2

answersQuestion

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...

5 days ago | 1 answer | 0

### 1

answerQuestion

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...

6 days ago | 1 answer | 0

### 1

answerQuestion

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...

7 days ago | 2 answers | 0

### 2

answersA 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

7 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...

7 days ago | 1 answer | 0

### 1

answerHow 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

answersQuestion

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

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...

2 months 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...

2 months 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...

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

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......

2 months 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 ...

2 months 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.

2 months 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 ...

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

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...

3 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 ...

3 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); ...

3 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...

3 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...

3 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...

4 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...

4 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 ...

4 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...

4 months ago | 2 answers | 0