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Load different mat files using for loop
Assuming that each mat file contains exactly one variable of unknown name, then try this: D = 'D:\ABIDEdataset\Outputs\dparsf\n...

5 years ago | 0

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cell indexing, extracting rectangular subset
The simplest (and usually quite efficient) approach is to use a comma-separated list to create one cell array: tmp = vertcat(to...

5 years ago | 0

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Computation on arrays using loops
Y = [2.659717,2.656496,2.656496,2.656173,2.662294,2.661328,2.660039,2.620416,2.614295,2.606242,2.600765,2.600443,2.590779,2.5917...

5 years ago | 1

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Answered
How to load all the data in one folder
"I am wonder why it happened." Because you always load exactly the same file data (note the indexing you used): filename{1,1} ...

5 years ago | 1

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Tabulating a Function with exponential values and using fprintf
The loop is not required. By vectorizing the function you can simplify your code. https://www.mathworks.com/help/matlab/matlab_...

5 years ago | 0

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Why do I get "0x301 empty double matrix" when reading a cell array with data in it?
"Why do I get "0x301 empty double matrix" when reading a cell array with data in it?" Because you specified two header lines, b...

5 years ago | 0

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Answered
Function handles and passing parameters to ode solver
Like this: c_h = ... some value; c_v = ... some value; ... all the others variables myTorque = ... some value; % Now define...

5 years ago | 0

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Answered
Write matrix or array without overwriting
You are mixing up two different approaches to adding data in a loop: concatenation and indexing. Just pick one, e.g.: A = [A;te...

5 years ago | 0

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Answered
How to create a vector, knowing start, increment and number of values.
B = 6.333954480229592e-06; I = 3.906250000000000e-05; N = 537600; V = B + I*(0:N-1);

5 years ago | 0

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Answered
Appending data in multiple structures using a loop
D = 'absolute/relative path to where the files are saved'; S = dir(fullfile(D,'*.mat')); N = numel(S); for k = 1:N F = f...

5 years ago | 0

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Cell Array always includes a period as its first value
"So, why does fileinfo.name return those first 3 columns, and how can I get rid of them?" Because DIR returns exactly what the ...

5 years ago | 0

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Answered
How to use index for structure within for loop?
Using numbered variable names is a sign that you are doing something wrong. The simple and efficient approach is to use one non...

5 years ago | 0

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Why \n or newline doesn't work ?
"Do someone know why ?" The documentation states "For character array inputs, strcat removes trailing ASCII white-space charact...

5 years ago | 1

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Answered
Access multiple structure fields and put them in a new structure or vector
No, what you are asking for is not possible. This syntax: dataArray{1,2:10} creates a comma-separated list of separate arrays,...

5 years ago | 0

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Answered
Append to vector of different sizes in for loop
Simpler: S = load('test_file.mat') fun = @(b,e)S.TimeSeries_short(b:e); out = arrayfun(fun,S.ipts(1:2:end),S.ipts(2:2:end),'u...

5 years ago | 0

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Answered
i have loop and i need to Create a table for each loop
Use indexing rather than numbering the variables: N = the number of tables that you want C = cell(1,N); for k = 1:N C{k} ...

5 years ago | 0

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Answered
How can I find the difference between adjacent elements while ignoring the first value?
diff(data(2:end))

5 years ago | 0

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Answered
how to append matrix in a loop
s1 = [1,0,1,1,0]; s2 = [2,4,3,1,2]; v = repelem(s1,s2)

5 years ago | 0

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How to combine to identical 'for' loops with sequential varying variables ?
Numbering variables like that is completely the wrong approach and should be avoided. One better approach is to use a container...

5 years ago | 0

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Answered
for loop with vectors having different sizes
a = {[1,2],[3,4,5]}; p = {[6,7],[8,9,10,11]}; c = 'trial'; for k1 = 1:numel(a) for k2 = 1:numel(p) s = sprintf(...

5 years ago | 0

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using natsortfiles to import csv files correctly
Taking a guess that you actually want to match the last integer, not just the last digit: S = natsortfiles(S,'\d+^$'); % alphan...

5 years ago | 0

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Read multiple .CSV files with csvread using a loop
V = 0:4; N = numel(V); C = cell(1,N); for k = 1:N F = sprintf('droplet.%d.csv',V(k)); C{k} = readmatrix(F,'NumHeade...

5 years ago | 0

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Answered
Convert cell array to matrix with two columns and sort rows by first column value
More robust and more efficient than using cell2mat: M = vertcat(Cell_x{:}); M = sortrows(M,1)

5 years ago | 0

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Answered
evaluate function handle (determine the value of function handle using my code
Defining lots and lots of function handles is not an efficient approach. One function is much simpler: myfun(30) function hf...

5 years ago | 0

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Answered
Search/Find sub strings in a string
This matches abbreviations followed by one digit (thus avoiding the Ra/Rag matching problem): C = {'Ra','Bt','Rag','Rg','Vm','S...

5 years ago | 1

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Modify Repmat function to concatenate array
V = [0,1,2,3,4]; n = 3; X = [1,10*(1:n-1)]; Z = kron(X,V)

5 years ago | 0

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Answered
How to display the Index of a matrix to other corresponding matrices
A = [8,3,5;2,4,6;9,3,4] B = [4,11,5;9,3,2;4,8,1] C = [11,40,3;10,7,5;11,3,60] [v,x] = min(A(:)); B(x) C(x) Or without resh...

5 years ago | 0

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Answered
How to create a symetric matrix with a vector?
A general solution using indexing: V = [1,2,3,4,5] X = 1:numel(V); M = V(max(X,X.'))

5 years ago | 1

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Answered
Undefined function 'eq' for input arguments of type 'cell'. Undefined function 'gt' for input arguments of type 'cell'
@ASHU DAYAL CHAURASIYA: the error message clearly tells us what the cause of the error is: one (or both) of the arrays is actual...

5 years ago | 0

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Set default value if no function input given
You did not count the input t when using nargin. You can include the number of inputs before varargin in the logical comparisons...

5 years ago | 0

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