Answered
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 ...

3 months ago | 0

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Answered
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...

3 months ago | 1

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Answered
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...

3 months ago | 0

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Answered
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,[...

3 months ago | 0

Answered
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...

3 months ago | 1

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Answered
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}

3 months ago | 0

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Answered
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]...

4 months ago | 0

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Answered
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 ...

4 months ago | 0

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Answered
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 ...

4 months ago | 0

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Answered
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 ...

4 months ago | 0

Answered
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...

4 months ago | 0

Answered
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...

4 months ago | 0

Answered
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...

4 months ago | 2

Answered
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...

4 months ago | 0

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Answered
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. ...

4 months ago | 2

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

4 months ago | 1

Answered
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...

4 months ago | 1

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

4 months ago | 0

Answered
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...

4 months ago | 0

Answered
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...

4 months ago | 1

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Answered
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...

4 months ago | 1

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Answered
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)

4 months ago | 0

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Answered
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)...

4 months ago | 0

Answered
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...

4 months ago | 1

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Answered
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...

4 months ago | 0

Answered
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...

4 months ago | 0

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Answered
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...

5 months ago | 0

Answered
there is no plotting appearance
"there is no plotting appearance" Because you are plotting exactly one data point. By default there PLOT shows lines (which con...

5 months ago | 0

Answered
Interpolating for multiple curves and finding the y axis value
Forget about having lots of separate variables in the workspace. Learn to use matrices! x = [0,7.1702,9.1995,9.5716,11.3641,12....

5 months ago | 0

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Answered
Change date from cell to number inside array
" How do I change it from a cell to a numeric format I can use?" Use the correct type of indexing: if itin_full{1,6}>=0.9 % ...

5 months ago | 0

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