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How can I get unique entries and their counts and place back into the table?
"I think is due to (x) not being defined or non existing. " No, it is because you invented some syntax when defining the anonym...
8 days ago | 0
Submitted
Number to Scientific Prefix
Convert a numeric value to SI-prefixed text (aka engineering / metric prefix). Bonus: binary prefixes!
9 days ago | 10 downloads |
Submitted
Scientific Prefix to Number
Convert SI-prefixed text (aka engineering / metric prefix) into numeric values. Bonus: binary prefixes!
9 days ago | 3 downloads |
MATLAB loads file it cannot find
"How is it possible, that MATLAB can load a file that it cannot find?" Because of what you did: "...the folder where the files ...
9 days ago | 1
| accepted
Read .txt file with dots in filename
"All my current tries using for example "load" or "readmatrix" failed since Matlab always assumes everything after the first dot...
9 days ago | 1
| accepted
How to sync Matlab file location and current pwd of command window?
Do NOT use CD for this. This is exactly what the MATLAB Search Path is for: https://www.mathworks.com/help/matlab/matlab_env/w...
18 days ago | 1
Matrix size error using integral
"which makes no sense since I'm multiplying scalars." Nope, you aren't. "Why is this?" Because you are multiplying vectors. T...
18 days ago | 0
| accepted
Problem with formatting operators - textscan
txt = '26 mins 2013-09-17 09:01:45, 29 mins 2013-09-18 16:53:12, 33 mins 2013-09-19 18:24:27,'; Directly obtaining the intege...
18 days ago | 0
why textscan can't parse the time like this
"why textscan can't parse the time like this" Because you have a delimiter right in the middle of your datestamp. Clearly that ...
18 days ago | 0
| accepted
how can i get the values of y1, y2? i am only getting the graph.
Return them as function outputs: https://www.mathworks.com/help/matlab/ref/function.html https://www.mathworks.com/help/matlab...
24 days ago | 0
| accepted
How to arrange elements in one array to match the position of elements in a second array?
You could find the mapping with ISMEMBER: https://www.mathworks.com/help/matlab/ref/double.ismember.html A = [1,5,3,2,4,4,2,2,...
25 days ago | 1
| accepted
Submitted
Number to Words
Convert a numeric to a string with the English name of the number value (GB/IN/US).
27 days ago | 6 downloads |
Submitted
Words to Number
Convert English number name/s written in a string to numeric value/s (GB/IN/US).
27 days ago | 3 downloads |
Hi, my loop function is not working and giving me index error in my member stiffens matrix. any idea what is the issue? thank you
% define coordinates of each nodes Coord_nodes = [0,0; 10,0; 10,10; 0,10]; % define connection of each element Connect_elemen...
28 days ago | 0
| accepted
installing MAT-file version 7.3
From the SAVE documentation: save("tmp\wavedata_0301","wavedata","-v7.3"); % ^^^^^^^ https:...
1 month ago | 0
| accepted
Select first three elements of double inside cell array
C = {[56,54,36,35];[58,56,55,36];[89,60,56,45]} D = cellfun(@(v)v(1:3),C,'uni',0)
1 month ago | 0
| accepted
How can I import multiple .out files in a single folder as separate tables or arrays?
unzip reports P = '.'; % absolute or relative path to where the files are saved S = dir(fullfile(P,'vxw*.out')); for k = 1:nu...
1 month ago | 2
| accepted
Submitted
Numeric to Ordinal-String
Convert numeric values to a string array of integers with ordinal suffixes. Fully vectorized!
1 month ago | 4 downloads |
Moving mean of a vector with unsorted values
You will need to interlace your data points before calling MOVMEAN. For example: xL = +15.0:-1:-15.0; xR = -14.5:+1:+14.5; yL...
1 month ago | 0
How to make str2double recognize comma delimited numbers?
Using SSCANF will likely be more efficient than relying on regular expressions: T = readtable('ExampleExcel.xlsx') F = @(t)ssc...
1 month ago | 1
Interpolation problems in multidimensional space
You do not have gridded data, so all of the attempts with GRIDDEDINTERPOLANT will not work. Using NDGRID does create gridded dat...
1 month ago | 1
Formatting Vectors using fprintf
R = [6640.441; 0; 0]; C = compose('%7s[%10.3f km]',["";"R = ";""],R); fprintf('%s\n','A) Position with respect to the earth in...
1 month ago | 1
| accepted
imagesc output: how to re-update the matrix image only, but keep other things intact, including colorbar, axis tick, axis label, annotation, text...?
"how to re-update the matrix image only, but keep other things intact, including colorbar, axis tick, axis label, annotation, te...
1 month ago | 1
| accepted
How to get a string from a cell array given a row?
You are overthinking this: idx = listdlg('ListString', errorlist); code = errorlist(idx); or for k = 1:numel(idx) code...
1 month ago | 0
| accepted
Unzip to a cell array, get the csv filles
"I got Error using readtable Unable to find or open '2025-01-28/'. Check the path and filename or file permissions." You get an...
2 months ago | 0
| accepted
How can I create multiple function handles in a for loop?
"I would like to know the area under the spline... But I guess this is not the most appropiate approach. Any suggestions?" Use ...
2 months ago | 0
| accepted
How can I use Interp1 here instead of ismembertol?
Fiddling around with indices and ISMEMBERTOL are red-herrings and misdirections from your actual task. Essentially what you are ...
2 months ago | 0
Problem graphing the % error between a real function and its linearization using contourf in MATLAB
"I think the problem is the way I'm calculating the %Error between those two functions..." That is the problem, because you are...
2 months ago | 1
| accepted
How to use "image" function to view JP2 images with alpha channel?
The accepted answer is incorrect. "When I do "a = imread(filename)" and "image(a)", it gives the following errors..." "The var...
2 months ago | 2
How to iterate through a cell array to mean each ith column from each matrix within the cell array?
Fake data (I removed the superfluous outer loop): for k = 1:5 C{1,k} = rand(500,26); C{2,k} = rand(500,24); C{3,...
2 months ago | 1
