Answered
how can I edit a matrix and rename it at the same time?
Sorry, you're better off doing it in two lines. You want to copy the matrix into the new variable before changing it so: edited...

10 jours ago | 0

| accepted

Answered
Copy the content of one table to an other table with different size
This is trivially done with outerjoin: mergedtable = outerjoin(yourbigtable, yourgroupcounttable, 'Keys', {'Time', 'radius'}, '...

10 jours ago | 2

| accepted

Answered
OpeningFcn of AppDesigner Conversion?
I've no idea how the tool converts a GUIDE GUI into an App, but in App Designer all the initialisation code goes in the StartupF...

10 jours ago | 0

Answered
how can i change an indice in Matrix as vector?
First, probably the most important thing: numbered or sequentially named variables are always a very bad idea. they always make ...

10 jours ago | 2

Answered
somebody plz help me with this code. I got an error after run this code is subscript indices must either be real positive integers or logical.
%your code: left=find(difsig==1); raight=find(difsig==-1); So left and the mispelled raight are a vector of indices of di...

10 jours ago | 0

| accepted

Answered
how to use cell ?
If you're asking how to transform U into your desired F: F = cellfun(@num2cell, U, 'UniformOuput', false); would be one way of...

10 jours ago | 1

Answered
fill a boundary region with white colour
boundaries{2} is only two pixels, there's nothing to fill! Anyway, if all you want is to fill the region, then bwboundaries is ...

11 jours ago | 1

Answered
How to enforce element-wise condition in matrix operations?
Reposting my comment as an answer and adding a bit more to it. I'm unclear why you want to ignore the 0s in L and why you think...

11 jours ago | 1

| accepted

Answered
How to create a grid of evenly spaced ones in a matrix of zeros?
"Is there a more compact or straightforward way to achieve this?" Definitively! %demo data size_array = 500; npoints = 15; ...

11 jours ago | 0

| accepted

Answered
Random string generation of message
function out_str = rand_string_gen(np, str) out_str = regexprep(str, '.(?!$)', sprintf('$0${char(randi(double(''az''), 1, %...

11 jours ago | 0

Answered
How can I set x=1.1 with 30 decimal precision?
When you do x = 1.1 You create an x of class double. double numbers have a decimal precision of around 16 significant digits. ...

11 jours ago | 1

Answered
splitvars for input arguments of type 'cell'
As per my comment to your other question, it looks like Multico should be a matrix not a cell array. Regardless of its type, wh...

11 jours ago | 0

| accepted

Answered
Filter contents of a table
Any reason why Multico is a cell array? If all the cells are just scalar, then it's a waste of memory and complicates the code f...

11 jours ago | 0

| accepted

Answered
Sliding window function over column vector, Help!
"The data has months 7 to 10 and labelled them as M7, M8, M9, M10 to help me remember the months." Do not do that! Numbered var...

11 jours ago | 0

Answered
How to decrease run time in swap operation ?
What's the purpose of the while loop since you know beforehand when it ends and thus how many steps it will do? Assuming that f...

12 jours ago | 0

Answered
Group the array with similar strings
It's very unclear what your definition of similar is. Also note that your example A is a char vector, not a string, and that co...

12 jours ago | 1

| accepted

Answered
Organize Excel date and time data
It's trivial to sort if you read the data in a table or a timetable: data = readtable('Practice.xlsx', 'ReadVariableNames', fal...

13 jours ago | 0

Answered
Counting consecutive repeat values for each row in matrix
It's a job for the image processing toolbox, in particular bwconncomp (with a custom connectivity): cc = bwconncomp(~yourphoto,...

15 jours ago | 1

Answered
Calculate connected graph components of "merged graphs" (graph union)
Assuming you want that identical nodes are nodes with the same X and Y coordinates, then first I'd add these coordinates to the ...

15 jours ago | 1

| accepted

Answered
How to arrange time series data into yearly groups?
A simpler and faster way of obtaining the same as Joe's answer: dataInitial = readtimetable('Data.xlsx'); dataFinal = table(da...

15 jours ago | 0

| accepted

Answered
Using strrep for matrix
Keeping your 2d character array as is: yourarray(ismember(yourarray, 'hood', 'rows'), :) = []; or yourarray(all(yourarray == ...

16 jours ago | 0

Answered
How to check whether any two elements are equal or not in a Nx1 array in matlab?
x = [1 2 3 4 2 5 6 3 7 8 9 10]; %demo data. Works with column or row vectors [loc1, loc2] = find(tril(x == x.', -1)); %loca...

16 jours ago | 2

| accepted

Answered
Average of two consecutive rows and importantly average of first and last row.
You have to be careful with the terminology you use. structures aren't tabular, they don't have columns and rows (well, they can...

16 jours ago | 0

Answered
Strip comments from code read from file identifier
The only way to do this is to write a parser that can parse whichever language you're planning to support. At the very least, yo...

16 jours ago | 0

Answered
Accessing field data in nonscalar structure array
This is one of the reason I dislike multilevel structures (the other being they're very inefficient memory-wise), there's no eas...

17 jours ago | 2

Answered
Using Matlab to Organize Excel Data into Separate Columns
It's trivial to do with unstack: demodata = table(repelem({'Object1'; 'Object2'}, 3), repmat({'X'; 'Y'; 'Z'}, 2, 1), rand(6, 1)...

17 jours ago | 1

| accepted

Answered
Have data in subfolders available
Firstly, it's not a good idea to mix code and data folder. The two should be completely separate, so that your code can work reg...

17 jours ago | 1

| accepted

Answered
Distance between two point with the same value
Assuming euclidean distance metric: n = randi(3, 10); %demo input vals = unique(n); %get unique values in n mdistances =...

17 jours ago | 1

| accepted

Answered
Preprocessing using readtable()
Assuming you don't know which rows of the text file correspond to your start and end timestamps, what you want cannot be achieve...

17 jours ago | 1

| accepted

Answered
Why does the for loop give wrong answer
For a start make sure that your numbers are all in the correct units. It looks like your density is in SI () but your pressure c...

18 jours ago | 0

| accepted

Load more