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# Guillaume

### University of Brighton

5,780 total contributions since 2012

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Help with using scanf and editing a txt file?
This is how I'd read all the vertices. %assumptions: % all vertices are made of 3 coordinates % all faces are mad...

2 days ago | 0

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How to sum 3D arrays in a 1x3 cell?
If I understood correctly you want to interlace the pages: %Assuming cell array is 1x3, not 1x1 as you wrote: numpages =...

2 days ago | 0

How to calculate function for different parts of array with values of same lenght in one big array
Assuming the number of elements in the vector is a multiple of 5, you can just <https://www.mathworks.com/help/matlab/ref/reshap...

2 days ago | 0

Could someone help me with the "imwrite" command please ? Error using imwrite>parse_inputs (line 541) The colormap should have three columns.
The error message is misleading. The problem is that, surprisingly, |imwrite| does not yet support string arrays for the filenam...

2 days ago | 0

See sequences in array
A = [1 1 1 1 1 0 0 0 0 0 0 1 1 1 1 1 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 1 1 1] A([false, all([A(1:end-2); A(2:end-1); ...

2 days ago | 1

Save each result in different folders
If OO is supposed to be the generated folder name, then: fid2 = fopen(sprintf('E:\\matlab\\all\\New folder\\New folder (5)\...

2 days ago | 0

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Count the appearances of each value per bin within a vector of 144 bins.
A method without a loop: %demo data: v = randi([-3 2], 1, 21600); binsize = 150; assert(mod(numel(v), binsize) =...

2 days ago | 1

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How to Select ROI based on this algorithm. OR how can i segment only the bone part from these images.
_Now I am getting a black squared output at this stage after step 9?_ Well, no wonder considering that your step 9 is: I...

2 days ago | 0

how to resolve error in code generation when syntex is correct?
Have you tried outer_blob = imfill(bin, 4, 'holes'); in case this is a bug in matlab? (I don't have coder so can't test)...

2 days ago | 0

Error using xlswrite (line 165) Dimension of input array cannot be higher than two.
The error is clear, |xlswrite| cannot write 3D arrays (such as your V3f array) since excel spreadsheet are 2D. What would yo...

2 days ago | 0

remove duplicate rows from text file
lines = strsplit(fileread(yourtextfile), '\n')); %read file and split into lines lines = unique(lines, 'stable'); %remove...

3 days ago | 0

if statement on cell
Since your inputs are tables, it's trivial to merge the two tables as you want: C = outerjoin(B, A, 'LeftKeys', 'ID', 'Righ...

3 days ago | 0

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How to convert a matrix to a structure array?
I'm with Steven, it would make more sense to keep it as is, or if the columns indeed represent different things, to change it to...

3 days ago | 0

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error message vectors must be the same length
Before you do anything else, the first thing you need to do is to comment your code. The code should start with: %nameofsc...

3 days ago | 0

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Problem with function handling
I'm really not clear what are variables (inputs) to your function and what are constants. Why is your anonymous function just a ...

4 days ago | 0

How do I horizontally concatenate tables within a cell array (same # of rows, different # of columns) that contain both numeric and string data types?
So it does look like you want to <https://www.mathworks.com/help/matlab/ref/table.join.html#namevaluepairarguments |join|> the t...

4 days ago | 1

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Mapping indices of matrices with differing dimension
Well have you try |x(y)|? It will give you exactly your desired |z|. Note that the rule of |A(B)| indexing is that it is the ...

4 days ago | 0

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Convert time stamps to binary
b = []; b(round(a/0.1)) = 1 The |round| is necessary because of floating point precision.

4 days ago | 0

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Hi, How do I resize a video to satisfy google net's size input layer ?
_Are you willing to clarify about "pass it each frame of the video."_ Your question is puzzling since at first glance you're ...

4 days ago | 0

How to detect between any two pixels (preferably far) there exist an number of foreground pixels of an image (foreground=white and background=black)???
<https://www.mathworks.com/help/images/ref/improfile.html |improfile|> (with the default |'nearest'| interpolation) should give ...

4 days ago | 0

How can you move up data in a structure to a higher level?
First thing, let's convert all the dataxxx scalar structure into a structure array. The simplest way is to convert your upper le...

4 days ago | 0

how swap the bits at position L&P of A(I,j).?
bits = bitget(A(i, j), [L, P]); A(i, j) = bitset(A(i, j), P, bits(1)); A(i, j) = bitset(A(i, j), L, bits(2)); As an a...

4 days ago | 2

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How to write a loop to plot a given range of rows/values from a column text file?
First, I would recommend that you load your data into a table rather than using the old fashioned |textscan|. Tables are much ea...

5 days ago | 0

Matlab to write on already open excel file
_My problem is that the connection is made only with the first instance of excel that was open on my computer_ First thing to...

5 days ago | 0

merge columns of cell array into matrix
Assuming all the tables have the same variable names, then you could convert the cell array of tables into a structure array: ...

5 days ago | 0

Matlab COM connection using an actxserver
Most likely, the problem is with your surfer application. The error message you see comes from Windows, not matlab. You could...

6 days ago | 0

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creation of a dynamic matrix
A = [1 2 3; 4 5 6] newrow = [7 8 9]; %add a row to existing matrix: A = [A; newrow] %or %A(end+1, :) ...

6 days ago | 0

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how to divise an image on 2d to 6 segments with matrix rotation ?
Use <https://www.mathworks.com/help/releases/R2018b/matlab/ref/hold.html |hold on|> after your first plot to stop new plots over...

6 days ago | 0

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Undefined function or variable
Function can't see the variables in your main workspace. You have to pass any variable you want to use to the function. Chang...

7 days ago | 0

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