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Guillaume


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University of Brighton

7,452 total contributions since 2012

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Answered
matlab how use format bank in cell arrays
There's several things here: Firstly, format only affects the way matlab displays numbers at the command prompt. It does not af...

13 hours ago | 0

Answered
Import an excel column
It's all explained in the documentation which even gives you several examples xlsread(yourfile, 'Cartel1', 'C:C') Note that xl...

13 hours ago | 0

Answered
Using timers in a class
The problem is most likely one of scope.I'm actually surprised that you first version works, but I never use the char array vers...

16 hours ago | 0

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Answered
Error using horzcat dimensions are not consistent
Why are x and t symbolic? This just slows down everything for no gain. I'm not even sure that your code would work (but I don't ...

19 hours ago | 1

| accepted

Answered
Matrix dimensions must agree error
The error message is very clear, R*f is not the same size as X (or a size compatible with X), hence you can't do the subtraction...

1 day ago | 0

Answered
How to do Table Look-up?
Matlab has you covered with unstack: desired_table = unstack(Processed_Data, 'Value', 'Name') You'll get NaN for missing value...

1 day ago | 2

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Answered
Is function "nprocess(x,y,z)" still avialable?
Doing a search for matlab nprocess with your favorite search engine shows that nprocess may be part of either this Filexchange e...

1 day ago | 0

Answered
How to pass the object name as a selectable property?
You can, since hgtransform support dynamic properties, so you could do something like: %create the properties: ASSEMBLY.addpro...

1 day ago | 0

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Answered
Single array inside cell to double
If you want to convert each matrix inside the TEMP cell array to double, then: something = cellfun(@double, TEMP, 'UniformOutpu...

1 day ago | 0

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Answered
getting errors in running this.
I would recommend you use readtable instead of importdata. importdata may not return what you expected if the file format change...

1 day ago | 0

Answered
How to use regexp for the following?
If you want to extract two uppercase letters followed by four digit: regexp(yourinput, '[A-Z]{2}\d{4}', 'match') I recommend t...

2 days ago | 0

Answered
How to get a specific variant of the greek symbol tau?
The latex symbol for this is \uptau, unfortunately matlab latex parser doesn't support it. As Sindar commented, you can try to ...

2 days ago | 0

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Answered
Measuring the width and hight for smallest Bounding Boxes of detected objects
For the area of Bounding Boxes what is the unit used? pixel squared. If you want to convert to physical unit (e.g. ) you need t...

2 days ago | 0

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Answered
Assigning values to nodes of a graph
It sounds like you want to associate a unique ID to each node, one that doesn't change if you alter the graph. You can't use the...

3 days ago | 1

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Answered
If a variable holds a bunch of images, what does (:, :, 1, i) mean?
The code you have assumes that the file contains a multiframe image with at least 100 frames. If the file has less frames the co...

3 days ago | 1

Answered
not enough input arguments
Clearly, you've called the function without any input argument. Possibly, you've clicked on the green run button which is not go...

3 days ago | 0

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Answered
how can I separate data per group ID
The fact that you don't have the same number of samples per group should not be a problem. As Stephen commented, this wouldn't p...

3 days ago | 0

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Answered
Matrix Division - Why am I getting a 1x1 matrix after dividing two 1x13 matrices?
The / operator solves a system of linear equation. If you want to perform elementwise division you need to use the dotted operat...

3 days ago | 2

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Answered
how to select one first and second sample of a sampled signal?
I'm not sure what you are trying to achieve with the code you have written, it doesn't make much sense I'm afraid. The whole l...

3 days ago | 1

Answered
rotating this curve 20degrees
You seem to have found the correct function, so it's not clear what the problem is: hline = plot(t, sdata); rotate(hline, [0 0...

6 days ago | 0

Answered
Get cell array with childs from a cell array of identical structs
You're complicating your life by using a cell array to store scalar structures. Notwithstanding the extra memory used, it's an u...

6 days ago | 0

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Answered
Index in position 1 exceeds array bounds (must not exceed 1)
First, is your text file read properly. If I paste your data into a new text file, your code fails to read anything. It's much b...

6 days ago | 0

Answered
default behaviour of key press callback for matlab figure
Matlab can't know which keys your callback care or doesn't care about, so your callback receives all the key presses and indeed ...

6 days ago | 1

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Answered
multiple for loops split data
For the record, this is my suggested modification to the original code: workers = 12; destination = discretize(data.ID, linspa...

7 days ago | 1

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Answered
Implementing a stop button in AppDesigner
PIDs are used by the OS to track executables. m scripts don't have PIDS they're run within a matlab executable. Assuming the m s...

7 days ago | 0

Answered
How to extract event start and finish indices by finding rising edges and falling edges of an array?
I think you've answered your own question. "How to handle this situation? Would you remove those inappropriate events". Yes, you...

8 days ago | 1

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Answered
Undefined operator '-' for input arguments of type 'matlab.ui.control.UIControl'. - getting an Error and and cant find a solution.
Matlab will always call your callback with two inputs. The first input is always the control handle triggering the callback, the...

9 days ago | 1

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Answered
Create subfolders in the desired way
As Per isakson said, use fullfile instead of building paths manually. fullfile automatically inserts the correct path separator ...

9 days ago | 0

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Answered
How to use methods of the class in the constructor of this class?
Having a method that calculates a particular property: No problem, particularly if the calculation is fairly complex as you have...

9 days ago | 0

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