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Guillaume


University of Brighton

7 108 total contributions since 2012

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Answered
Please explain the following line of code
What couldn't you run the code and see what it does? Your line of code is just a convoluted of doing: o(1:2:end) = -32 which ...

ungefär 6 timmar ago | 0

Answered
Rearrange a given array
This would work as long as V has a multiple of 10 elements: %demo data V = [ 19 15 11 2 16 3 1 18 14 3 18 19 20 1 13 4 14 3 1 ...

ungefär 7 timmar ago | 0

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Answered
Matlab displays truncated output with elipses. How do I fix this?
As far as I can tell, this is and has always been normal behaviour in the live script editor. Same as with normal scripts, you...

ungefär 8 timmar ago | 1

| accepted

Answered
Readtable for a huge (no good schema) CSV file!
As has been suggested you will have to parse the header and the values separately. It can't be done with the same readtable call...

ungefär 12 timmar ago | 0

Answered
Run ImageJ plugin OrientationJ using MIJI from Matlab
For 1), unfortunately, it's a problem with your plugin which clearly has not been designed to run non-interactively. Unless the ...

ungefär 14 timmar ago | 0

Answered
'.' is not an internal or external command, nor is it a runnable program or batch file
First use fullfile to build paths instead of string concatenation and adding the path separator yourself. It would be more relia...

ungefär 15 timmar ago | 2

Answered
Variable in Text [Matlab]
How can I implement variable to the text variable You don't! Numbered variables are always a bad idea. Instead you use indexing...

en dag ago | 0

Answered
Import of tables from R where the first line describing the column names is one element shorter
Yes, readtable expects the variable name line to have a placeholder (DimensionName) for the row name column. I suggest you raise...

en dag ago | 0

Answered
changing file name in matlab
Something like this should work: folder = 'C:\somewhere\somefolder'; %whichever folder contains the files filelist = dir(fu...

en dag ago | 1

Answered
matrix mis-match
There doesn't appear to be any logic behind the choice of * vs .*, / vs ./, etc. If you don't understand the difference between ...

4 dagar ago | 1

Answered
multiply two series of vector in loops
Assuming R2016b or later: result = MA .* permute(MB, [3, 2, 1]); will give you a 3D matrix, where result(i, :, j) is MA(i, :) ...

5 dagar ago | 0

Answered
How can i move excel sheets in the same file
This should do the job: function reordersheets(excelfile) %excelfile: full path of excel file whose sheet are to be reorde...

5 dagar ago | 0

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Answered
Calling function described in actxcontrol inside parfor loop
I'm not entirely sure what you mean by "It doesn't exist inside the script as it is, but this function is a component of actxcon...

6 dagar ago | 0

Answered
mkdir and simulations problems
As far as I can see the problem has nothing to do with matlab expertise but is a failure in your logic. You create a folder nam...

6 dagar ago | 0

Answered
How to extract elements from each dimension of a 3D matrix and put it in a vector.
Sure, you just have to type the same code 91 times... As you can guess, that's not a viable approach. If you start numbering va...

7 dagar ago | 0

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Answered
Add a value to an element in a matrix
Cause is a specific problem where I need to add that values of S just in these columns of A Then, this should work: A(S(1, :) ...

7 dagar ago | 0

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Answered
How to divide timeseries data into seasonal variation
Note that if you're indeed using timeseries, you may be better off using timetables instead. They're slightly easier to use and ...

8 dagar ago | 0

Answered
FileCopy does't work
I don't remember the details of your previous question, but clearly the code I gave you is meant to work with data imported a pa...

8 dagar ago | 0

Answered
"Reference to non-existent field" Error
Well, yes, you never use the input parser to parse your input, so the Results never get populated. p.parse(system); after you'...

9 dagar ago | 0

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Answered
load C/C++ DLL on a computer without internet access
Most likely, the library is C not C++. They're two very different things and loadlibrary cannot load C++ dlls. You can generate...

9 dagar ago | 0

Answered
Some number inputs do not work with code while others do.
You can see in your screenshot that both mass and acceleration are text not number. While you can indeed multiply two strings to...

9 dagar ago | 0

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Answered
Problem with for loop within a loop of a loop
Probably, the biggest source of slow down is the lack of preallocation of u. As a result, it grows one column at a time, necessa...

9 dagar ago | 1

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Answered
Using an array of indexes to index an array
Note that if you didnt' preallocate finalImage before the loop, your code will be slow indeed since finalImage would be realloca...

9 dagar ago | 0

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Answered
Raising a matrix to a power
The problem is not the .^0.5, it's the ^2, which probably should be .^2. Note that x.^0.5 is the same as sqrt(x). However, If T...

9 dagar ago | 0

Answered
Conversion to double from cell is not possibel
Whatever T is, it's very likely that: T(j, 2:10) = a_table is going to be an error. Now, I wouldn't expect that line to thro...

9 dagar ago | 0

Answered
How to estimate the summation equation quickly in Matlab?
If I've understood your formula correctly: returns = readtable('PC Example.xlsx'); %read the data [year, month] = ymd(return...

10 dagar ago | 0

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Answered
How to view Figure source code?
There is no source code for a figure that you can view (the figure creation code was probably originally written in C, C++, Java...

10 dagar ago | 0

Answered
Undefined function 'diff' for input arguments of type 'table'
As I've told you already, read the documentation, in particular Access data in tables. As explained on that page, () indexing ...

10 dagar ago | 1

| accepted

Answered
How to resolve this error Error using fprintf Function is not defined for 'cell' inputs.
This is how I'd do it: hstr = cellfun(@(v) strjoin(compose("%d", v), " "), h); %convert each vector in h into a string [row, ...

10 dagar ago | 0

Answered
Programatically creating an anonymous function that separates "Variables" and "Parameters"
Thinking a bit more about it, metaprogramming in matlab can often only be achieved by using the dreaded eval. This is a rare cas...

10 dagar ago | 2

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