Risposto
How to create string of text-objects
Holding disparate data types would be a good place to use a table as alternative to the cell array... D = [randi(100,10,1),rand...

circa un mese fa | 1

| accettato

Risposto
How do I save the output from a double for loop to a vector?
counter = 0; VectorOfValues=zeros(24,1); % preallocate for n = 0:23 for i = 1:height(Exceldata) if (duration(n,0,0...

circa un mese fa | 1

| accettato

Risposto
Graphing an array by largest row to smallest row
output_array = {[1,2,3]+0; [1,2,3,4,5]+0.1; [1,2,3,4]+0.2}; [~,ix]=sort(cellfun(@numel,output_array),'descend'); ix=num2cel...

circa un mese fa | 0

Risposto
How to sorting categorical array for plotting
function male=MakeMaleSample(n) male=categorical("M"+1:n,"M"+1:n); end To force a non-lexical sort order, you have to speci...

circa un mese fa | 1

Risposto
Place filenames with common pattern in a cell array
C = {'breakpoint_b40_f15.txt', 'breakpoint_b50_f15.txt', 'breakpoint_b40_f20.txt', 'breakpoint_b50_f20.txt', 'breakpoint_b40_f25...

circa un mese fa | 0

| accettato

Risposto
I am getting "Conversion to logical from table is not possible." error, how do you solve it?
... data1 = readtable('data1.csv'); data2 = readtable('data2.csv'); ... You read a csv file as a table; the two variables ar...

circa un mese fa | 0

Risposto
Subdividing column matrix based on two stored indices of different lengths
A = [0.0048;-0.001;-0.0042;0.0047;-0.00011;0.0025;0;0;0;0;0.0023;0.0004]; order =[4;5;6;7;8;9;1;2;3;10;11;12]; pull = [7;8;9...

circa un mese fa | 0

Risposto
ERA5-Land: error calculating hourly radiation
Seems very peculiar way to have done, but I'd just fix the date and then process by it instead... % Load the NetCDF file ... ...

circa un mese fa | 0

Risposto
Separating text files according to latitude and longitude
Sure. Just read the lat/lon data file, substitute the dot woth underscore and do a dir() with that string in the filename wildc...

circa un mese fa | 0

Risposto
I have a problem regarding an Index because it exceeds array bounds.
It would appear that the X array is 37xN instead of Nx37... BTW, you don't need a loop to compute the difference; diff() is vec...

circa un mese fa | 0

Risposto
How do I group data into different groups based on values of 2 columns for analysis?
fn='https://www.mathworks.com/matlabcentral/answers/uploaded_files/1361218/position_velocity%20data.xlsx'; tLC=readtable(fn); ...

circa un mese fa | 0

| accettato

Risposto
Why are my line plots are coming out improperly?
Well, there's no "problem" with the nested loop other than apparently it isn't what you intended... :) It iterates through each...

circa un mese fa | 0

| accettato

Risposto
How can I properly extract individual filenames, with often times similar naming?
Putting meta-data into the file names is a large part of the issue; but if the files are something other than data files that ar...

circa un mese fa | 1

| accettato

Risposto
Matching two array elements by rounding up and down
fn='https://www.mathworks.com/matlabcentral/answers/uploaded_files/1359918/data_list.txt'; tT=readtable(fn); ix=isfinite(tT.B)...

circa un mese fa | 2

| accettato

Risposto
Can I remove the date from big data set text file?
Not easily, no you can't ignore the date because the file is tab delimited and the date/time is a single string. To ignore it a...

circa un mese fa | 0

| accettato

Risposto
Fastest way to search files by pattern name
As far as the original Q?, it's owing to how the underlying OS processes the dir command -- when you ask for a directory listing...

circa un mese fa | 0

| accettato

Risposto
How to identify text files with zero value
"...is any way to extract the text files[?]" What do you mean by "extract", precisely? What is the end result you're after; to...

circa un mese fa | 0

| accettato

Risposto
Writing txt files accurately with a restriction on the number of columns.
Still with same idea but a little cleaner implementation... %a=randi(200,[1,25]); %fmt=['%d' repmat(',%d',1,numel(a)-1)]; %s=...

circa un mese fa | 0

Risposto
Writing txt files accurately with a restriction on the number of columns.
a=randi(200,[1,25]); fmt=['%d' repmat(',%d',1,numel(a)-1)]; s=sprintf(fmt,a) LL=25; L=strlength(s) O=[]; while L>0 I=st...

circa un mese fa | 2

| accettato

Risposto
I have 400 columns of matrix, I want to calculate FWHM. I'm trying find codes related to find peaks, but nothing works. I cannot see the FWHM as 400 different columns.
fn='https://www.mathworks.com/matlabcentral/answers/uploaded_files/1356933/ace%20re.xlsx'; data=readmatrix(fn); whos data plo...

circa un mese fa | 1

| accettato

Risposto
Extract numbers from matrix based on logical array
x =[ 0.5853 0.2551 0.8909 0.2238 0.5060 0.9593 0.7513 0.6991 0.5472].'; y =logical([ 0 1 1 1 ...

circa un mese fa | 1

Risposto
How to know the range automatically identified by readtable when importing an Excel file?
It will be only as good as the ability of the detectImportOptions bot's ability to recognize the start of the data, but opt=det...

circa un mese fa | 0

| accettato

Risposto
I am using writetable for exporting the workspace variables into excel sheet
Read the rest of the doc, specifically the <named parameters for spreadsheets only> section, you'll be particularly interested i...

circa un mese fa | 0

Risposto
How do I create a For loop from a string array that will fill and load h5 files?
I didn't see @Stephen23 had already addressed the main iissue, but had already started, so... d=dir('*Walk.h5'); for i = 1:num...

circa 2 mesi fa | 0

| accettato

Risposto
Converting table data to datetime
tbldata=readtable('pipe2_st.csv'); tbldataarray=table2cell(tbldata); Don't convert the table to a cell array, use the table yo...

circa 2 mesi fa | 0

Risposto
Changing step tolerance for lsqcurvefit
opt=optimoptions('lsqcurvefit'); opt.StepTolerance=1E-8 in your code above ... Dab = lsqcurvefit(@f, x0, t, c) % fitting Dab...

circa 2 mesi fa | 0

| accettato

Risposto
Why is FFT result divided by NFFT instead of the root of NFFT?
Well, let's try it and see... Fs = 1000; % Sampling frequency T = 1/Fs; % Sampling period L = 1500; ...

circa 2 mesi fa | 1

Risposto
Find the average between each pair of points in a matrix
I'd do it as z=randi([-5 5],8) za=filter2(ones(2)/4,z) % averaging 2D filter with same size as input (zero padded) zv...

circa 2 mesi fa | 1

Risposto
Array rows differences and array filling in a loop
The cell array @Jon shows is simpler to code and what first strikes, but the answer to the Q? as you posed it to store into the ...

circa 2 mesi fa | 1

Risposto
How do I edit this bar graph so that the weights appear equally distanced on the x-axis with 4 bars for each weight, all of different colour.
The weights vector is 'x' There are examples of grouped bar plots at the doc page...sorry, I said 'stacked' before; that's what...

circa 2 mesi fa | 0

Carica altro