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Illegal use of reserved keyword "elseif" keep showing up?
If you align your code consistently then the problem is very clear: if inp == '0' .. end % <- delete this elseif inp =='...

29日前 | 1

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Using repelem to vertially concatonate non-numeric variable
".. repmat function might be a better choice, since it allows the dimensions to be specified." As does REPELEM: repelem('1001_...

29日前 | 1

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Is there a functional form in Matlab to get the same result as A{:}?
The closest you can get is to convert the output into a structure and index into that (since R2019b) to generate a comma-separat...

29日前 | 0

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Error using bar: inputs must be 2-D
The command zeros(1,2,3,4,5,6,7) creates a 7D array with size 1x2x3x4x5x6x7. What you need is a 2D matrix: zeros(1,7) Tip: th...

29日前 | 0

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Matlab - inputs must be scalar when using linspace
replace this line for i = find(~compareHeight) with for i = reshape(find(~compareHeight),1,[]) The cause is an awful, useles...

30日前 | 0

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rlocfind returns error: Execution of script poly as a function is not supported
"Execution of script poly as a function is not supported" You have created a script named POLY. Rename that script. To find th...

約1ヶ月前 | 1

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Inverse Matrix for 6x6 matrix with variables
syms x y z A = [x,y,y,0,0,0; y,x,y,0,0,0; y,y,x,0,0,0; 0,0,0,z,0,0; 0,0,0,0,z,0; 0,0,0,0,0,z]; b = inv(A)

約1ヶ月前 | 0

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Trouble with date conversion
Rather than fiddling around with text or numerics, just import the 2nd column as DATETIME right from the start: fnm = 'uurgeg_3...

約1ヶ月前 | 2

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How to know exactly what row (or index number?) in a table based on user input?
Fake data: dt = datetime(2023,11,1:7).'; V = rand(7,1); T = table(dt,V) Date that you want: want = datetime(2023,11,4) Obt...

約1ヶ月前 | 0

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Is there a way to dynamically use either brackets or curved bracket indexing depending on a variable?
"I understand it can be done with if statements but this will take up massive amounts of space in the code so I try to avoid it....

約1ヶ月前 | 2

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Do mex functions support keyword assignment syntax?
A few simple experiments show that key=value assignment is converted by the parser into 'key',value. I don't see why it would be...

約1ヶ月前 | 0

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Replacing values in a Matrix
A = [25,40,40,40,25,25,25,25,25,25; 25,40,40,40,40,25,25,25,25,25; 25,25,40,40,40,40,25,25,25,25; 25,25,40,40,40,40,40,25,25,25;...

約1ヶ月前 | 1

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how convert string in struct with 0/1
S = struct('FS',{'Si','No','Si','Rank','No'}) Z = nan(size(S)); [X,Y] = ismember({S.FS},{'No','Si'}); Z(X) = Y(X)-1

約1ヶ月前 | 0

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How to assign a mean of a variable to every year ?
The simple and efficient MATLAB approach: DateYear = [2016;2016;2010;2008;2016;2016;2009;2008;2007;2010]; SeverityCode = [3;3;...

約1ヶ月前 | 1

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Convert char to table
If you already have a character vector and the goal is to print it to file, then avoid the indirection of converting to numeric ...

約1ヶ月前 | 1

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Readtable Returns "NaN" to the string type value if one column contains both number type and string type values
Use READCELL: C = readcell('test.csv') Everything that is text is text, everything that is numeric is numeric. Easy.

約1ヶ月前 | 0

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How can I improve my regular expressions?
Get rid of the look-behind expressions. They don't restrict which block of data is being read anyway. Also note that '.' matche...

約1ヶ月前 | 0

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Conditional Question Matlab Disagreement
"...but my teacher says it’s one and I’m super confused. Any explanation would be appreciated, thanks!" This code (6+3)>8>2 i...

約2ヶ月前 | 1

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Extracting value from array
"For one value it does work, but not for all of them." It does work, your screenshot clearly informs us that you are getting on...

約2ヶ月前 | 0

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how to load all mat files in the filenumber wise sequentially ?
Follow this link and click the big DOWNLOAD button in the top right corner: https://www.mathworks.com/matlabcentral/fileexchang...

約2ヶ月前 | 1

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surf for n-dimensional cartesian matrix
Perhaps one of these: https://www.mathworks.com/help/images/ref/sliceviewer.html https://www.mathworks.com/help/images/ref/vol...

約2ヶ月前 | 0

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Creating a new matrix from unique combinations in two other matrices
[A,B] = meshgrid(repelem(1:3,3),1:3) M = [reshape(A.',[],1),reshape(B.',[],1)]; [~,~,X] = unique(M,'rows','stable'); C = resh...

約2ヶ月前 | 0

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Reshape data the first row becomes the different columns
ID = [1;1;1;2;2;2]; Date = datetime(2015,1,[1;2;3;1;2;3]); vals = [0;0.5;-0.3;0;0.2;0.5]; T = table(ID,Date,vals) U = unstac...

約2ヶ月前 | 4

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Extract indices of vector?
X = find(B)

約2ヶ月前 | 0

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Error using readtable '.1(0a)' is not a recognized file extension. Unable to detect file type.
I strongly recommend avoiding forcing meta-data (e.g. filenames) into structure fields like that. To make your approach work wou...

約2ヶ月前 | 0

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I have error when i convert modified julian data to datetime
"how can i convert time_mjd to exact same date with time0?" The short answer is that you can't, simply because the limited prec...

約2ヶ月前 | 1

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how can a symbolic derivative be vectorized automatically?
Use MATLABFUNCTION: syms a b c f = a*sin(b)*exp(c) df = diff(f,b) mf = matlabFunction(df) a=rand(10,1); b=rand(10,1); c=r...

約2ヶ月前 | 2

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loading multiple csv files using readmatrix
Use DIR: P = 'C:\My\Folder'; S = dir(fullfile(P,'*.csv')); for k = 1:numel(S) F = fullfile(P,S(k).name); S(k).data ...

約2ヶ月前 | 0

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3D Submatrices extraction by indexing the 3rd dimension
a_substruct.m1 = a_struct.m(:,:,endsWith(a_struct.i,'1')); a_substruct.m2 = a_struct.m(:,:,endsWith(a_struct.i,'2'));

約2ヶ月前 | 1

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How to call a variable from one program to another program 2 in app designer?
I am guessing that you actually require element-wise division, not matrix division: https://www.mathworks.com/help/matlab/matla...

約2ヶ月前 | 0