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Guillaume


University of Brighton

7 023 total contributions since 2012

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Answered
find the element location
If find returns empty, then we can safely say that exact -10 is not in that first column. Perhaps the number you're looking for ...

1 jour ago | 0

Answered
Set a matrix as index of map
Certainly, I would never had guessed from your initial description that you wanted to cache the output of some convolutions. As...

1 jour ago | 0

Answered
Does Matlab 2017a support Windows Server 2019?
You can find the system requirements for all versions there (may need to be logged into your mathworks account). Windows Server...

1 jour ago | 1

Answered
writematrix as the recommended alternative to dlmwrite from R2019a
The documentation of writematrix does say that it writes numbers using the longG fomat. longG format is 15 digits of precision (...

1 jour ago | 0

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Answered
indexing cellarrays of varying lengths in a cellarray
Are ther more performant ways to do so? A loop may be slightly faster as it doesn't have the overhead of the anonymous function...

4 jours ago | 0

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Answered
Cells merging in table
a) varfun(@(c) {vertcat(c{:})}, table1, 'GroupingVariables', 'Var1', 'InputVariables', 5:width(table1)) b) varfun(@(c) {vertc...

4 jours ago | 0

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Answered
concatenating and comparing two datsets
Something like this should work: dataset1 = readtable('C:\somewhere\your1stexcelfile.xlsx'); %may need extra options, dependin...

4 jours ago | 0

Answered
Matrix Dimension in Subroutine
for i=1:N FF(1:3,1:i) = ... So, clearly on the first iteration, this means assign something to: FF(1:3, 1:1) = ... %ass...

4 jours ago | 0

Answered
Hex to Signed Int conversion of 16bit values in a Table with data type 'cell array of character vectors'
It returned 'cell' Assuming that the "" in your example are actual double quotes and not single quotes, then you've not created...

5 jours ago | 1

Answered
How can I enter in matlab syntax two parameters which are not exist in the system of nonlinear ode?
I think you may be asking how to parametise your odes.

5 jours ago | 0

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Answered
Mutiple Time series synchronization
I think this does what you want: contentfields = fieldnames(Content); for fieldidx = 1:numel(contentfields) %iterate over e...

5 jours ago | 0

Answered
Euclidean distance of adjacent pairs of matrix
I'm a bit confused by your question. You define something you want to do then ask us to explain your own definition. Isn't the d...

5 jours ago | 0

Answered
Multiplying two double arrays within a structure
It sounds like you want to vertically concatenate the result of the multiplication for each element of your structure array. Wi...

5 jours ago | 0

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Answered
"Warning: Name is nonexistent or not a directory: " Error Message if I enter the path of a file I want to import
As KSSV shows, the proper way to build a path containing the folder and name of a file you want to import is with fullfile, and ...

5 jours ago | 0

Answered
i have 16 different types of files and i have to take the files in the bunch of 5 from the 16 files, how i put permutation and combination to get 5 files from the 16 files each time differently?
Not clear what you call file when you only show numbers. To get 5 distinct random numbers from the range 1:16: randperm(16, 5)

5 jours ago | 0

Answered
'σ' is not a valid table variable name.
The problem is not excel but matlab, which currently only allows valid matlab variable names as table variables. For the moment,...

5 jours ago | 0

Answered
How to collect individual bunches of data in a column of a matrix
Assuming that the length of your column vector is a multiple of 203+813 (if not, what should be done for the last bit that is to...

5 jours ago | 1

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Answered
Jump in calculation results
I'm unclear what you're trying to do with your double for loop. You haven't told us what Anzahl and MaxDateienGroesse stand for,...

5 jours ago | 1

Answered
'num2str' Error
Yes, what you have written makes no sense at all. You want to convert the numeric content of students(i).ID to text, so that's w...

6 jours ago | 0

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Answered
pick up elements from a cell array and the result must be a cell array
With a cell array, {} operates on the content of the cells, () operates on the cell array itself. So, to crop a cell array: ne...

6 jours ago | 0

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Answered
how to multiply each element of a cell array by a different scalar
The easiest would be: result = cellfun(@times, V, num2cell(a), 'UniformOutput', false) or just use a loop. Note that V and a ...

6 jours ago | 1

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Answered
convert image pixels to binary file
Definition of a binary file You don't mean file at all. FPGAs can't access files. If your FPGA need access to the whole image,...

6 jours ago | 0

Answered
Insert desired number of spaces in the string contains numerical value
The clearest way to achieve what you want is to put the spaces explicitly in your format string: txt = sprintf('0 ...

6 jours ago | 0

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Answered
Confusion on total number of blocks produced after splitting image into overlapping blocks.
I don't think you got it right. First, starts with non-overlapping blocks, how many blocks do you have if divide M columns into...

7 jours ago | 0

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Answered
i am applying Arnold's transform on the pixels
Your image is of type 'uint8'. This means the range of intensities is between 0 and 255 (included). If you sum two uint8 and the...

7 jours ago | 0

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Answered
Saving an array of complex numbers within a loop
Note: you should extract your constants definition out of the loops. Also, there's no point in having two names for the same con...

7 jours ago | 0

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Answered
Difference between im2bw and imbinarize?
You can look at the source code of both functions to see the difference in implementation edit im2bw.m edit imbinarize.m In t...

7 jours ago | 1

Answered
Convert date timestamp into Datenum
a) You shouldn't be using datenum. They're completely obsolete and everything you could do with them, you can do with datetime, ...

7 jours ago | 0

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Answered
With activeX server running Excel, access the cells syntax on range property
As Bob showed you can compute the address as text to pass to the Range property directly. However, that gets a bit complicated i...

7 jours ago | 0

Answered
How to name different groupes of variables in one vector with indices of another?
It's annoying that compose doesn't accept positions identifiers in the format string, otherwise this could have been done in jus...

7 jours ago | 0

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