Answered
How to convert these char values to datetime format?
The error is caused by the milliseconds in start string: either you need to remove them from the input string, or specify them i...

6 years ago | 1

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Answered
Trying to modify a vector by removing alternate elements
There is no point in defining n when it always has exactly the same value as the loop iteration variable i. Get rid of one of th...

6 years ago | 2

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Answered
How to solve pre-allocating array?
Using numbered variables is a sign that you are doing something wrong. Accessing numbered variables is one way that beginners f...

6 years ago | 1

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Answered
How to pass a matrix (m, 1) to (m / 2.2)
>> reshape(V,2,[]).' ans = 1 2 3 4 5 6

6 years ago | 1

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Answered
How to generate 1 cross zero structure in Matlab??
B = reshape(A,1,0)

6 years ago | 1

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Answered
How to call a created function in a different function
Download my FEX submission num2ord and use it together with func2str: function out = myNewFunc(fun) val = str2double(regexp(fu...

6 years ago | 0

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Answered
flip an array with the use of vectors
"Any suggestions?" Use indexing (which in MATLAB starts from 1): >> a = [1,7,5,9,3,2,4,1] a = 1 7 5 9 3 2 4 ...

6 years ago | 0

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Answered
Using Read Table with a predefined Table size
Accessing files via the OS is slow, note that creating an intermediate file requires accessing a file minimum three times. A sim...

6 years ago | 1

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How can I dynamically index into a nested struct that contains cell arrays
Essentially you are attempting to write a MATLAB parser using MATLAB. Such a task is not trivial, but for a very limited subset ...

6 years ago | 1

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Answered
How can I delete two or more elements in a vector?
>> A = [1,1,2,3,10,7,10,1,5,3]; >> U = unique(A); >> Z = U(histc(A,U)==1) Z = 2 5 7

6 years ago | 1

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Answered
inputs of multi-variable functions?
"Is there a right order for input variables in a function?" Yes: MATLAB function inputs are positional: The 1st input provided...

6 years ago | 0

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Answered
how to rearrange cell array with the grouped sequence
>> C = {21,3,'1';31,2,'1 1';25,1,'2 2 1 1'} C = [21] [3] '1' [31] [2] '1 1' [25] [1] ...

6 years ago | 0

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How to simplify code which reads multiple files
You don't need to repeat the entire code, just the dir call is enough: theFiles = [... dir(fullfile(myFolder, '*ABC*.csv')...

6 years ago | 0

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Answered
imshow not working when going from unit8 to double
Most likely because you did not scale the image when you converted the type. uint8 images are treated as having values from 0 t...

6 years ago | 1

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Answered
Looping a function with different inputs and storing multiple outputs.
The very simple solution is to loop over indices, and not over data (like you are doing): V1 = 0.5:1:2.5; % data! V2 = 0.5:1:2...

6 years ago | 1

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Answered
Save and Load .mat files with different names that numerically go up automatically. Maybe in a for loop?
"...as long as there is a way to load multiple of these in one go, without them all overwriting each other as fvalagg" This is ...

6 years ago | 1

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Answered
How to use cellfun?
fun = @(x,y) fminbnd(@(c0)objfunc(y,deg(c0,x,'other input parameters')),cm,cM); [C,V] = cellfun(fun,XM,YM,'Uni',0)

6 years ago | 1

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Answered
Anonymous function to calculate a sum
>> fun = @(x,n) x + sum(x.^(2:2:2*n) ./ factorial(2:2:2*n)); >> fun(3,5) ans = 12.066 Compare against your expansion: >> x ...

6 years ago | 2

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Answered
how to open such files "File B -ASCII" saved from MATLAB?
The -ASCII option saves a double array as a text file with space delimiters. This means: Any text editor can open that text fil...

6 years ago | 1

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Answered
How to read rows of data in .csv file and turn them into arrays?
Notes to consider when importing a large file: Importing as character and then doing any kind of text manipulation before conve...

6 years ago | 0

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Answered
Display Value of a Slider in a text box without GUIDE
If you want the slider to update something (text, plot, anything) as it moves, then you will need to add a listener: https://ww...

6 years ago | 0

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Answered
Startup path issue creating variable errors
"How is it possible that I don't have a startup.m file on a clean install" Because it is a clean install: MATLAB does not creat...

6 years ago | 0

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Function is not reading input from main script
You need to parameterize your function calls: https://www.mathworks.com/help/matlab/math/parameterizing-functions.html You nee...

6 years ago | 0

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Answered
'combnk' enumeration of combinations
>> [X,Y,Z] = ndgrid([-1,0,1]); >> M = [Z(:),Y(:),X(:)] M = -1 -1 -1 -1 -1 0 -1 -1 1 -1 0 -1 -1 0 ...

6 years ago | 0

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Answered
Problem with if-elseif when conditions contain several strings
"So I don't need a solution, but an explanation, why this occurs..." The first thing to do when trying to understand what your ...

6 years ago | 2

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Answered
How to read a specific number in a text file containing a mixture of strings and numbers?
The regular expression doesn't need to be so complex: >> chr = webread('http://tgftp.nws.noaa.gov/data/observations/metar/decod...

6 years ago | 0

Answered
How to load multiple specified variables in a specified mat file？
Your code does not make much sense: you added single quotes around the variable name (making it a literal string), you removed t...

6 years ago | 0

Answered
If B is a matrix,what is the difference between B(1:end) and B(:)
Given a matrix B: B(1:end) uses linear indexing. The size of the output is the same as the size of the index (which in your exa...

6 years ago | 2

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Answered
How to extract elements form a vector in order to create an unknown number of sub-vectors?
Here is one simple approach based on diff, cumsum, and accumarray: >> M = [2.24;2.28;2.31;0.99;1.44;1.44;1.44;1.44;2.12;2.25;2....

6 years ago | 1

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Answered
Extracting strings between different characters from a cell array without loop
>> C = {'LS=Students201509DS=Teachers201509CS=ConfigVS=English]' 'LS=Preschoolers201801DS=Students201910CS=AbsVS=Italian]' ...

6 years ago | 3

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