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i have a csv with data separated with commas and columns also are separated with commas
T = fileread('piloto.csv') T = regexprep(T,',(\d+e)','\.$1') % you could also save this to a proper CSV file C = textscan(T,''...

約2ヶ月前 | 0

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extract multiple slices of difference sizes from a vector
The MATLAB approach: A = [1 4 6 5 4 8 7 8 6 4]; N = [2 3 5]; C = mat2cell(A,1,N); Checking: C{:}

約2ヶ月前 | 0

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How to read lines from cell
S = readlines('T04102.txt'); X = find(startsWith(S,'PID 01')); F = @(x) regexp(S(x:x+3),'[01]{4}\s+[01]{4}','once','match'); ...

約2ヶ月前 | 0

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Why is str2num not recommended when it is faster in certain circumstances?
"Why is str2num not recommended when it is faster in certain circumstances?" Because it relies on EVAL. Code called by EVAL is ...

約2ヶ月前 | 0

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Function input argument block - defining multiple valid classes for input data.
"I'd like to consolidate these two functions into one function so I do not have the need for multiple files." You do not need m...

約2ヶ月前 | 1

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How to read an excel /csv files with columns that have both text and numbers?
fnm = 'sample.csv'; tmp = readcell(fnm, 'Delimiter',','); idx = cellfun(@ischar,tmp(:,1)); assert(all(diff(idx)<1)) nhl = nn...

約2ヶ月前 | 0

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Vectorization for Two Nested for-loops
Without creating multiple copies of data in memory: A = [2 3 4; 5 2 1; 1 4 3]; B = [3 4 4; 4 2 1; 4 4 1]; C = sum(permute(A,[...

約2ヶ月前 | 0

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How can.struct data be made available to non-MATLAB users?
"Can a .struct with nested structs, using a multitude of fieldnames and datalines, be converted to a non-MATLAB format like exce...

約2ヶ月前 | 1

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Accessing cell array entries using arrays
B = [1,2,2,1,1; 2,1,2,1,2]; V = 1:size(B,2); A = accumarray(B.',V(:),[],@(m){m.'}) A{1,2}

約2ヶ月前 | 0

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Insufficient number of outputs from right hand side of equal sign to satisfy assignment.
Note that the meaning of square brackets is different in the LHS vs on the RHS. C = num2cell(b1); [app.Sis.Slippage]...

約2ヶ月前 | 0

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Saving a Structured Array (containing plot parameters) to a mat file
Explanation: your structure is not scalar: it has nlines elements. The -struct option only works with scalar structures. Error ...

2ヶ月前 | 0

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Does Matlab's integral function pass the integration variable to the function handle one scalar at a time or as a vector?
"Does Matlab's integral function pass the integration variable to the function handle one scalar at a time or as a vector?" By ...

2ヶ月前 | 0

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How avoid exponential notation in compose
"How avoid exponential notation in compose" Explanation: the %d conversion is for integer values. Are all of your data integer ...

2ヶ月前 | 0

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save tic toc in duration style
tEnd = 60*60+20 txt = mytime(tEnd) writelines(txt,'myfile.txt') Checking: type myfile.txt function str = mytime(toa) spl...

2ヶ月前 | 0

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Combing Date and Time Variables into ONE DateTime Vector
If you have any influence on the data design, then making these changes would simplify your data processing: save the data in c...

2ヶ月前 | 0

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Readtable Delimiters on two similar files gives differing result
"One thing for sure is that all my data is under the line begining with "Point"" tA = myread('A.txt') tB = myread('B.txt') fu...

2ヶ月前 | 2

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How to write data from a Cell Array as multiple columns in a text or CSV file?
This actually works with vectors of different lengths (as your question shows): C = {[0;1;2;3], [4;5;6;7;8;9]}; D = {}; for k...

2ヶ月前 | 0

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Why is this simple loop not working?
"I don't know why this is happening." The problem is very simple: you do not extend x in the same way that you extend y and z. ...

2ヶ月前 | 2

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Having a string call another string
txt = input("Enter your string: ","s"); disp("Your string was: " + txt)

2ヶ月前 | 1

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Extracting data from struct as array
S(1).a = 1:10; S(2).a = 11:20; S(3).a = 21:30; M = vertcat(S.a) or M = cat(1,S.a) https://www.mathworks.com/matlabcentra...

2ヶ月前 | 1

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convert double to signed int
A = 40000 B = typecast(uint16(A), 'int16')

2ヶ月前 | 0

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Dynamic matrix columns combinations
"any idea on to how overcome this? Do I need to write a combination function myself?" Use NDGRID with some comma-separated list...

3ヶ月前 | 0

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How to split/segment csv file into multiple sections?
P = '.'; % absolute or relative path to where the file is saved F = fullfile(P,'test_file.csv'); O = detectImportOptions(F,'Va...

3ヶ月前 | 1

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Matlab can't readtable on Mac, please help me.
"how i do like this, can you show me please, thank you." P = 'absolute or relative path to where the file is saved'; F = fullf...

3ヶ月前 | 1

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How to produce an array that displays the common data values in other arrays?
A = [1,1,0;1,1,1;0,1,1] B = [1,0,1;0,1,0;1,1,1] C = [1,1,1;1,1,0;1,1,1] D = double(A & B & C)

3ヶ月前 | 0

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Matlab code to delete contents of a subfolders
P = 'absolute or relative path to where the project folders are'; S = dir(fullfile(P,'**','Inputs','*.*')); for k = 1:nunel(S)...

3ヶ月前 | 0

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How to convert a 1x1 struct to double matrix (error using pan tompkin)?
"Originally, I didn't put the semicolon, I only added it because MATLAB error system recommended it. I did remove it and there's...

3ヶ月前 | 1

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What is wrong with this code for finding out the number of significant digits after decimal?
The least unexpected number of non-zero fractional digits aka decimal places (limited to 15 significant figures of the binary fl...

3ヶ月前 | 0

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Not enough input arguments
"Why I can't get the values from matrix x in function MyInput() to use in another function?" Basically because you did not call...

3ヶ月前 | 0

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Reading Multiple Excel Files, Analyzing and Indexing
Use indexing into the structure array that you already have (i.e. the output from DIR): P = 'absolute or relative path to where...

3ヶ月前 | 0