Answered
Pass structure variables one by one to a function (input) and name the outputs based on input names
The simple and efficient MATLAB approach is to use dynamic fieldnames and indexing: % Creating dummy data yData.a = rand(405,1...

4 years ago | 0

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Answered
textscan: strings and variables
Perhaps something like this, a more robust approach using a structure (this still requires that the headers are valid MATLAB nam...

4 years ago | 1

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Convert time vector of Year, Month, Day, Hours, Minute to Decimal format
Simpler: format long G D = datetime(2019,10,(2:13).',12,0,0) B = dateshift(D, 'start', 'year'); % midnight at start of the ye...

4 years ago | 0

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Answered
Dynamically naming new table columns in a loop
"What's the secret?" Very simple: don't use EVAL. It is simpler, much more robust, and much more efficient to add fields using...

4 years ago | 0

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Answered
Convert numerical Matrix values into logical Matrix
A = [1,3,4,9,12;2,5,6,9,11;1,4,5,10,12] X = any((1:12)==permute(A,[1,3,2]),3) M = [1:12;+X]

4 years ago | 0

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Answered
Split cell each 13 characters
The better approach is to use READMATRIX or READTABLE with the fixed-wdith importing option: fnm = 'test.txt'; opt = detectImp...

4 years ago | 1

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Answered
How to use 'for' loop to string variable ?
Assuming that each file contains exactly one variable (itself a structure with the same field names): T = ["Battery_Power_280",...

4 years ago | 0

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Answered
How to determine if table format value is array or cell?
Summary: you need to use curly braces to refer to the content of a table. Explanation: tables are a container class: they are a...

4 years ago | 0

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How to display a table without it showing "var1"?
Tables are a container class: they contain data of other classes. So it is very important to distinguish between the table itsel...

4 years ago | 0

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Answered
Using strjoin on each row of NxM cell array
C = {'ABC','123','blue';'DEF','456','red';'GHI','789','green'} D = cellfun(@(v)join(v,'_'),num2cell(C,2))

4 years ago | 1

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Answered
Assigning array values to cell array based on condition
A = [1,1,1,2,2,3,3,3,3]; B = [6,3,7,4,7,13,16,4,1]; C = accumarray(A(:),B(:),[],@(v){v}); C{:} For the second part of your q...

4 years ago | 0

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Answered
How to load multiple mat files from a folder in a sequence?
S = dir(fullfile(Folder, '*.mat')); for k = 1:numel(S) F = fullfile(Folder,S(k).name); % you need FOLDER here too. d...

4 years ago | 0

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Answered
How I can detection column indexes of string 'rk_accept_metaln' (n=1,2,3,4....)
C = {'X','Y','Z','X_size','Y_size','Z_size','volume','block_tonnage','rk_accept_grade1','rk_accept_metal1','rk_rejected_grade1',...

4 years ago | 0

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Answered
Compute the mean row cell elements in a cell array.
Where C is your cell array: fun = @(varargin)mean(cat(3,varargin{:}),3); D = cellfun(fun,C(1,:),C(2,:),C(3,:),'uni',0)

4 years ago | 1

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Answered
How to index array with an array?
u = [11,12,13;21,22,23;31,32,33] % Access element at row 2, column 1 id = [2,1] ic = num2cell(id); u(ic{:}) https://www.mat...

4 years ago | 0

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Answered
How to I call specific values from a 45x1 Matrix?
link_forces = solution([3,5,14,17,25,28]) See: https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab...

4 years ago | 0

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Assign a cell data that starts with a regular expression
Always LOAD into an output variable! That will make your code much more reliable, and makes this task easier. Method 1: the sim...

4 years ago | 0

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Answered
Removing zeros from matrix
A = [1,2,3,4,5,6;1,2,3,4,5,6;1,2,3,4,5,0;1,2,3,4,0,0;1,2,3,0,0,0] Method one: NONZEROS and CELLFUN baz = @(v)v(end); fnh = @(...

4 years ago | 2

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Answered
How to distribute elements of a vector to each of output variable?
You can use a comma-separated list: x = [1,2,3,4,5]; c = num2cell(x); [a,b,c,d,e] = c{:} https://www.mathworks.com/help/matl...

4 years ago | 0

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Explain why it makes sense that matrix A( :, :, 1) is two-dimensions, while A( :, 1, :) and A(1, :, :) return three dimensions
So far no one has really answered why this makes sense, which is what the original question asked. "My question was more about ...

4 years ago | 0

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Create loop to load .mat file and store values to a matrix.
This should get you started. In the absence of any data desription I assumed that withinin each file x and y are scalar. You wil...

4 years ago | 0

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Answered
Splitting a table using varagin
"The matlab documentation states that the first term in the bracket after splittaply should be a function such as @max" The SPL...

4 years ago | 0

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Answered
Use a ready p-file to operate on matrices
Your approach is complex, obfuscated, and inefficient. Using numbered variables is a sign that you are doing something wrong. R...

4 years ago | 1

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Answered
Convert time in decimal days into hh:mm:ss format
N = 0.504513888888889; T = days(N); T.Format = 'hh:mm:ss' or D = datetime(N,'ConvertFrom','excel'); T = timeofday(D)

4 years ago | 0

Answered
Extracting numerator and denominator values from a decimal value
[N,D] = rat(6.52) Multiply both by four if you want to.

4 years ago | 1

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Answered
Efficiently identifying a set of 1s: follow up question after months later
A simpler, more efficient, much more robust solution: a = [1,1,1,-1,0,0,0,0,1,1,-1,0,0,1,1,1,1,-1,0,0]; d = diff([false,a==1,f...

4 years ago | 0

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Answered
Any efficient way to identify a set of 1s in a big array?
A simple, efficient, robust solution: a = [1,1,1,-1,0,0,0,0,1,1,-1,0,0,1,1,1,1,-1,0,0]; d = diff([false,a==1,false]); s = fin...

4 years ago | 0

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Answered
Problem with datetime in German
There does seem to be a problem with DATETIME handling the period characters (below). Workaround: replace/remove the period cha...

4 years ago | 0

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Answered
Storing many digits using readtable
Any advice that "you are going to need to read the file as text" is incorrect. It is much better to import and store numeric da...

4 years ago | 0

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Answered
How to see if characters are present in a string array.
Assuming that all string elements contain exactly the same number of characters, then you can do this easily with basci logical ...

4 years ago | 0

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