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Why Does Format of Data Returned from readtable() Depend on Import Options that are Not VariableTypes?
"Is that expected behavior?" Yes. Or at least, not really very surprising. "Why Does Format of Data Returned from readtable()...

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Find peaks in a matrix containing zeros
A = [1,3,-1,1,5,-1,0;1,6,3,-2,0,0,0;2,3,9,-2,1,11,-1;4,1,-2,8,5,0,0;2,-2,6,-1,0,0,0;-1,13,-2,0,0,0,0] F = @(a)findpeaks(a,'Thre...

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Plotting perpendicular lines but they are not perpendicular.
"But as you can see these do not show up as perpendicular." They are perpendicular: check the axes scales! If you want the X a...

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Swap shape of cell array full of arrays
C = {[1,2,3,4,5], [1,2,3,4,5]; [1,2,3,4,5], [1,2,3,4,5]} F = @(a)reshape(a,1,1,[]); D = reshape(num2cell(cell2mat(cellfun(F,C,...

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How to save current time in file name
You are trying to concatenate STRINGS... and that gives you STRING array with multiple elements, not a character vector nor a sc...

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Find the 137th character in a file?
fnm = 'theNameOfYourFile.txt'; txt = fileread(fnm); txt(137)

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add internal parts of a vector
A = [1;1;1;1;1;3;4;8;1;1;1;2;9;1;1;1;1;4;1;1] X = A==1; Y = cumsum([1;diff(X)>0]); Z = accumarray(Y,X)

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error using system -- "Command argument must be either a nonmissing scalar string or a character row vector. "
"it seems the syntax of the assembled path/file to run is incorrect" True, it is a 1x6 string array. "but I don't know what it...

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interp3 problem: the value of the last sampling coordinate is not match.
"Any insights or suggestions on how to correctly interpolate the profile between p1 and p2 would be greatly appreciated." You a...

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Updating Structure Input for Functions
Do not use nested structures. Definitely do NOT use lots of variables each named after a fruit! Ugh, no. Use a structure array...

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Function returns different outputs with same inputs
The difference is very simple: Here you return FOUR output arguments from your function call: [e0_, e1_, e2_, e3_] = rotations...

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matlab 'unique' is skipping rows with data
The basic problem is that your file is large, and by default READTABLE checks a limited number of rows** before deciding what da...

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Passing functions with fixed input
The MATLAB documentation covers this here: https://www.mathworks.com/help/matlab/math/parameterizing-functions.html See also: ...

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How to fix my attempt to vectorize counts of strings and regexpPatterns in a text file?
SearchTerms = {... 'Term_1', 'Blanket';... 'Term_2', 'blah';... 'Term_3', 'of';... 'Term_4', '(dat|not)\d{1}...

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Localize the third vector position using regexp
txt = fileread('test.txt') rgx = '(?<=Field(\S+\s+){3})\S+'; out = regexp(txt,rgx,'once','match')

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Can you change 0^0=1 to 0^0=0 in Matlab?
b = 0; n = 0; v = b^n v(isequal(0,b,n)) = 0 https://en.wikipedia.org/wiki/Zero_to_the_power_of_zero

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how view the content cell array
C = {' fdfd(fg,54)'}; Some steps to remove nesting of cell arrays at the output: The cell array is superfluous so index into i...

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Quickest way for alternate indexing a vector
u = [5,7,11,13,17,19,23,25,29,31,35,37,41,43,47,49,53,55] v = 5:2:55; v(3:3:end) = []

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extract word before and after character
C = {'input: pilo(52),iko(54)'; 'input:iko(54)'; 'input:pilo(52),iko(54)'; 'input:pilo(52),iko(54),op(23)'} X = regexp(C,'(\w+)...

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Accessing all fields within a struct level at once
"Is this possible to achieve without implementing a loop?" Not really, but you can hide the loop using STRUCTFUN: A.one.includ...

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How can I convert variable size cell structure to column or row data?
C = load('RawCellData.mat').ForbBlocks D = load('DesiredColumn.mat').DesiredRow C(cellfun(@isempty,C)) = {{[]}}; E = vertcat(...

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Convert datetime to datestr without losing milisecond data
"I tried to set the variable type as 'string' to solve the below problem" The best way to import Excel serial date numbers is a...

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Searching a string on a table to get time
"I still have the same issue about searching into all the Comment columns." The MATLAB documentation explains that you can use ...

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Why are my variables saving only Nan entries?
Cal.data_Txx = ((E) ./ (1 - Cal.data_nu.^2)) .* (Cal.data_epsilon_1 + Cal.data_nu .* Cal.data_epsilon_2); Cal.data_Tyy = ((E) ....

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Split array into groups of close numbers
a = [1,2,3,10,11]; n = 2; x = kmeans(a(:),n) c = accumarray(x,a(:),[],@(a){a})

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convert a cell (Rx1 cell) to a vector (Rx1 double)
"but it is not clear to me why it transforms 270x1 cell into a vector 257x1 double" It is easy to check your data (you have bee...

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Loading files by replacing some part of the name with a variable
Do NOT name each variable dynamically. Unless you want to force yourself into writing slow, complex, inefficient, insecure, obfu...

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Array of ASCII Characters to String
Forget about loops and doing everything one-at-a-time as if MATLAB was some poor low-level language. Think in terms of arrays a...

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error using the function 'splitapply'
S = load('matrix_out_12.mat') % LOAD is better than IMPORTDATA max_matrix_out = max(S.matrix_out(:,2)); max_matrix_out_r = flo...

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how to know first element in Data struct
arrayfun(@(s)s.data(1),Sis)

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