Answered
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...
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...
3 months ago | 0
Answered
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 ...
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 ...
3 months ago | 0
| accepted
Answered
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...
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...
3 months ago | 0
| accepted
Answered
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,...
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,...
4 months ago | 1
| accepted
Answered
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...
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...
4 months ago | 0
| accepted
Answered
installing MAT-file version 7.3
From the SAVE documentation: save("tmp\wavedata_0301","wavedata","-v7.3"); % ^^^^^^^ https:...
installing MAT-file version 7.3
From the SAVE documentation: save("tmp\wavedata_0301","wavedata","-v7.3"); % ^^^^^^^ https:...
4 months ago | 0
| accepted
Answered
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)
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)
4 months ago | 0
| accepted
Answered
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...
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...
4 months ago | 2
| accepted
Submitted
Numeric to Ordinal-String
Convert numeric values to a string array of integers with ordinal suffixes. Fully vectorized!
4 months ago | 2 downloads |
Answered
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...
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...
4 months ago | 0
Answered
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...
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...
4 months ago | 1
Answered
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...
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...
4 months ago | 1
Answered
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...
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...
4 months ago | 1
| accepted
Answered
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...
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...
4 months ago | 1
| accepted
Answered
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...
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...
4 months ago | 0
| accepted
Answered
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...
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...
4 months ago | 0
| accepted
Answered
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 ...
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 ...
4 months ago | 0
| accepted
Answered
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 ...
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 ...
4 months ago | 0
Answered
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...
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...
4 months ago | 1
| accepted
Answered
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...
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...
4 months ago | 2
Answered
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,...
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,...
4 months ago | 1
Answered
Not recognising named input argument
The name "is_fbk" is not defined as a named argument. Because by definition named arguments must come last AND all inputs betwe...
Not recognising named input argument
The name "is_fbk" is not defined as a named argument. Because by definition named arguments must come last AND all inputs betwe...
4 months ago | 0
| accepted
Answered
Reconstruct a compressed vector based on another one with equal space entities
VC = [1,20,-4,23,6,3,7,-23] PC = [2000,2250,2500,2750,3750,4000,4500,4750] PV = PC(1):250:PC(end) VV = nan(1,numel(PV)); VV(...
Reconstruct a compressed vector based on another one with equal space entities
VC = [1,20,-4,23,6,3,7,-23] PC = [2000,2250,2500,2750,3750,4000,4500,4750] PV = PC(1):250:PC(end) VV = nan(1,numel(PV)); VV(...
4 months ago | 0
| accepted
Answered
determine if a datetime value is on a different day
"Functions like between and caldiff seem to return a duration" BETWEEN and CALDIFF will not help you. Either use DATESHIFT or t...
determine if a datetime value is on a different day
"Functions like between and caldiff seem to return a duration" BETWEEN and CALDIFF will not help you. Either use DATESHIFT or t...
4 months ago | 0
| accepted
Answered
Three dots at the end of a line of code
Perhaps code folding. Code folding is stored as meta-information in PREFDIR, much like breakpoints etc. are. Unfortunately some...
Three dots at the end of a line of code
Perhaps code folding. Code folding is stored as meta-information in PREFDIR, much like breakpoints etc. are. Unfortunately some...
5 months ago | 3
| accepted
Answered
reading text fils with data importing
It would be much better if you uploaded a sample data file by clicking the paperclip button. In lieu of that I created my own d...
reading text fils with data importing
It would be much better if you uploaded a sample data file by clicking the paperclip button. In lieu of that I created my own d...
5 months ago | 0
| accepted
Answered
Move to MxN cell array to 1xN cell array
C = load('CellMatrixExample.mat').EmissivityMat F = @(c)vertcat(c{:}); C = cellfun(F,num2cell(C,1),'uni',0)
Move to MxN cell array to 1xN cell array
C = load('CellMatrixExample.mat').EmissivityMat F = @(c)vertcat(c{:}); C = cellfun(F,num2cell(C,1),'uni',0)
5 months ago | 0
| accepted
Answered
reshape 4-dimension array
https://www.mathworks.com/help/matlab/ref/double.permute.html https://www.mathworks.com/help/matlab/ref/double.reshape.html A ...
reshape 4-dimension array
https://www.mathworks.com/help/matlab/ref/double.permute.html https://www.mathworks.com/help/matlab/ref/double.reshape.html A ...
5 months ago | 1
| accepted
Answered
Can someone explain why the top code works but the bottom one has an error that says "Index exceeds the number of array elements. Index must not exceed 1."
"Can someone explain why the top code works but the bottom one has an error that says "Index exceeds the number of array element...
Can someone explain why the top code works but the bottom one has an error that says "Index exceeds the number of array elements. Index must not exceed 1."
"Can someone explain why the top code works but the bottom one has an error that says "Index exceeds the number of array element...
5 months ago | 0
| accepted
Answered
MATLAB Indexing type dependence (bug?)
"what does it matter to the indexing whether it is a single or a double?" Because single precision cannot represent all of thos...
MATLAB Indexing type dependence (bug?)
"what does it matter to the indexing whether it is a single or a double?" Because single precision cannot represent all of thos...
5 months ago | 0
| accepted