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Undefined variable in workspace problem
"where measurementValue is an n x 1 double array already loaded in my workspace." I guess you mean that it is loaded into the b...

5 years ago | 0

Answered
How to call a value from the command window to the editor window
Ugh, P-Files. You could try using EVALC: https://www.mathworks.com/help/matlab/ref/evalc.html and then parsing the string that...

5 years ago | 1

Answered
Getting error that output argument is not assigned during function when it is?
When direc is empty then ccmp is not defined (exactly as the error message states). This error is easy to demonstrate (showing ...

5 years ago | 0

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@ Symbol in function handles as an input variable to another function
"if i were to remove the @ sign it would tell me that i am missing input arguments..." Because in that case you are just callin...

5 years ago | 0

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Answered
strcmp function using wildcards
T = cell2table({'A','XXX';'B','G22';'C','G13';'D','G1234';'E','YYY';'F','G01'}) idx = ~cellfun(@isempty,regexp(T.Var2,'^G\d\d$'...

5 years ago | 1

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Answered
How to read hh:mm:ss.sss time format from a file that has time and other data
Because you did not upload a sample file I had to create my own (attached). T = readtable('test.txt') T.Var1

5 years ago | 0

Answered
Find the different elements in a cell array
Where out is your cell array: fnh = @(v) any(v(:)==1)&&any(v(:)==2); idx = cellfun(fnh,out)

5 years ago | 0

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Answered
I want to arrange a 1st column of a matrix in descending order an the elements in the row is going to arrange itself according to change of the row of first vector
The simple MATLAB approach: A = [3,2;1,4;2,6] B = sortrows(A,-1)

5 years ago | 0

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Answered
includeSubFolders name value pair argument
imageDatastore(imdir, "IncludeSubfolders",true, "LabelSource","foldernames"); % ^^^^ yo...

5 years ago | 0

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Answered
when using intersect function i need all rows of B and matching rows of A. how can i do it?
T1 = array2table([2451,10;2554,5;5419,2],'VariableNames',{'A','id'}) T2 = array2table([2451,15;2554,7;5419,5;8542,9],'VariableN...

5 years ago | 0

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Answered
Subtracting in a structure
You can do all of them at once using some comma-separated lists: S(1).F = 6; S(2).F = 10; S(3).F = 12; S(4).F = 16; S(5).F ...

5 years ago | 0

Answered
Index table with cell array
Where T is your table and C is your cell array: idx = ismember(T.NameOfVariable, C) out = T(idx,:)

5 years ago | 0

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Answered
Paste array a into array c based on the locations in array b
This is robust also when there is no overlap: a = [1,2,3,4,5,6]; b = [1,5,8,14,19,23]; d = diff(b); d(end) = d(end)+1; % inc...

5 years ago | 0

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Answered
How to exclude specific results from dir
C = {'A1b1';'A1b2';'A1b1_test'}; cellfun(@mkdir,C) S = dir('./*'); S.name S(ismember({S.name},{'.','..'})) = []; S(endsWith...

5 years ago | 0

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I am getting a Error using alpha (line 68) Wrong number of arguments and was wondering if anyone could help me out because i am not sure what its saying.
% alpha in degree <<<<<< This needs to be a comment, not code. range=0:15:360; Y=sind(range); Table=[range;Y]'; disp('HW #6 ...

5 years ago | 0

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How to get an specific element from an output vector of a function handle?
You could define a simple wrapper function, e.g.: f = @(x) [x+1; x^2; 2*x]; g = @(a,x)a(x); g(f(1),2)

5 years ago | 2

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Answered
Error using datenum (line 201) DATENUM failed.
Do not use outdated, discouraged, deprecated DATENUM (or for that matter DATEVEC or DATESTR). Import your data using READTABLE,...

5 years ago | 1

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Trying to write a function using @
g = @(x) sin(x)/x; % ^ ^ you forgot these g(1) g(pi) See: https://www.mathworks.com/help/matlab/matlab_prog/anonymous-fun...

5 years ago | 2

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Answered
The assignment cannot be performed because the size of the left side is 1×1 and the size of the right side is 0×0.
"But I do not know where is wrong" The problem is caused by using GLOBAL variables instead of parameterizing the function prope...

5 years ago | 0

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Answered
how do I know which toolboxes are installed?
"...an easy way to see which toolboxes are already installed into a windows workstation" " We would like to get this informatio...

5 years ago | 0

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Answered
Getting an error For colon operator with char operands, first and last operands must be char.
This line j=('Input number of crossings =') should be j = input('number of crossings =')

5 years ago | 0

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Not enough input arguements in a function
The Events function is defined to have only two input arguments (not three like COND): https://www.mathworks.com/help/matlab/re...

5 years ago | 0

Answered
Matlab does not calculate
Just change the FORMAT, e.g.: format short G T = 0:5:100; V = (1.458.*10.^-6).*((T+273.15).^0.5)./(1+(110.4./(T+273.15))); [...

5 years ago | 0

Answered
Unrecognized function or variable
Unrecognized function or variable 'lenght'. % ^^ spelling mistake

5 years ago | 1

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Answered
Assign double array to cell array
n = 78; v = rand(n,1) % double array Either: x = num2cell(v) or: x = cell(n,1); x(:) = num2cell(v) Storing numeric scalar...

5 years ago | 0

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Answered
How to extract vectors from strings
>> A = 'REAL 1.001 2.801 4.378 6.283 7.941 10.774 12.436 14.760 16.205 17.577 1...

5 years ago | 0

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Answered
how to take every row in matrix?
You could use MAT2CELL, just generate the sizes based on your matrix dimensions and requirements: A = randi(10,10,10) C = mat2...

5 years ago | 0

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Answered
How to recursively reduce the function arguments
It can be done with VARARGIN: N = 5; C = cell(1,N); C{N} = @f5; for k = N-1:-1:1 C{k} = @(varargin) C{k+1}(varargin{:},...

5 years ago | 1

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Answered
Adding extension to fille
Simpler: P = 'Data'; S = dir(fullfile(P,'**','*')); S = S(~[S.isdir]); for k = 1:numel(S) F = fullfile(S(k).folder,S(k)...

5 years ago | 0

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Answered
Find index in struct field in which word appears
"How do I find the row in which this appears in the attached struct in which the subjects are listed in the field 'Subject'?" Y...

5 years ago | 0