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Mathieu NOE


Last seen: 4 giorni fa Attivo dal 2015

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Engineer - mechanics /electronics / signal processing Average matlab user for 20 years now. Professional Interests: signal processing, adaptive control, noise and vibration control

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Risposto
How can I make use of the full window size when zooming into very tall images?
hello you can try this : % Example data im=imread('cameraman.tif'); imtall=repmat(im,11,1); % size 2816 by 256 ims...

6 giorni fa | 0

Risposto
Export plot with margins very close to edges
hello there are different options to modify the subplots margins : How do I decrease the margins around the subplots in my f...

10 giorni fa | 0

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Risposto
FIR, band pass, band stop, high pass
hello your code is correct but gives some warnings : Warning: Matrix is close to singular or badly scaled. Results m...

11 giorni fa | 0

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Risposto
Help with lumping of fatigue data
hello again seems to me you can make the code simpler , no need for for loops I still have a doubt about the omega units ? a...

17 giorni fa | 0

Risposto
PID control simulation code improvement
hello minor suggestions - in my view , the code is supposed to reflect a real time implementation so data are only known up to...

19 giorni fa | 0

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Risposto
msgbox body text does not show up
seems to me now you have to use strings (double quote) and no more char array this works for me (R2025a) h = msgbox("Calcula...

23 giorni fa | 0

Risposto
Why does having only one row in table, break dot indexing?
hello why not simply ask : size(master_cell{i,9}) this works for all cases (see last iteration) demo : % create dummy mast...

24 giorni fa | 0

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Risposto
comment j'ecris et je delcare une matrice
Creating Matrices and Arrays - MATLAB & Simulink

26 giorni fa | 0

Risposto
speeding up mpg video frame reading
seems to me the simplest change to gain speed is to remove this line : clear vidFrame I could get a speed increase of about 60%...

circa un mese fa | 0

Risposto
How to design for decrement counter which should decrement from 500 to 0 using simulink blocks
hello simply make the difference between a constant (= 500) and a standard (rising) counter (0 to 500) the two blocks are t...

circa un mese fa | 1

Risposto
using MATLAB to find area of flourescent region
hello this is a quick and dirty (potential) solution : that does not need the Image P Tbx generated by a non expert in th...

circa un mese fa | 0

Risposto
Where to find image_ref.pdf file ?
I could find it here : Image Processing Toolbox Reference

circa un mese fa | 0

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Risposto
pcolor plot: how to scale the smoothing differently in x and y directions
hello maybe this - I opted to overlay the two peaks on the center position (which I admit is not exactly what was asked)... b...

circa un mese fa | 0

Risposto
produce the figure similar to this one in Matlab
hello maybe this ? (a quick and dirty attempt ) the plot rendering may differ on your PC vs here below : groups = 3; % dat...

circa un mese fa | 0

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Risposto
Is there a way to extract the gray background from the image and just to keep the rainbow
hello here a quick answer - as I understand you want to extract the rainbow area from the entire picture . You can do a bounda...

circa 2 mesi fa | 0

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Risposto
Bode plot with right half plane zero
hello you can do this way : BTW , you pulstaion vector was huge and there is a better approach for Bode plots (as the x axis...

circa 2 mesi fa | 0

Risposto
M-File Errors when extracting a NetCDF data
hello I tested your code with another nc file I have on my pc and there seems to be no issue as soon as the m file and the nc ...

circa 2 mesi fa | 0

Risposto
Solved question video analysis
hello maybe this ? NB, this is a no Image Processing Tbx solution (as I don't have it) but I wanted to give it a try for the...

circa 2 mesi fa | 0

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Risposto
help with a heat map
hello there are a couple of interesting Fex submission : special heatmap - File Exchange - MATLAB Central Matrix Visualizat...

2 mesi fa | 0

Risposto
simulink time stop error?
I believe you should change the landing test force_b >0 should be more like : force_b <0.1 otherwise the output is true fo...

2 mesi fa | 0

Risposto
I'm trying to come up with the workspace for my 3RRR pkm via discretization method. Solid edge is used to validate and code seems to be generating an overestimated workspace
hello I tried to reduce the error by using a more precise area computation aproach using polyarea I had to modify a bit your ...

2 mesi fa | 0

Risposto
Making a table from data using rec
hello here you are what has changed q must be converted from table to array - use table2array for loop index needed a fi...

2 mesi fa | 0

Risposto
Function output not displayed on scope.
hello again assuming dt = 0.02 is your application sampling rate and this is what we use in Simulink solver options (discrete ...

2 mesi fa | 0

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Risposto
1) Generate intermediate points in a set of X,Y while respecting the original points order. 2) Generate same number of points for 2 different set of X,Y with different sizes.
my turn to try something... with the help of interparc : interparc - File Exchange - MATLAB Central NB that nothing forces th...

2 mesi fa | 3

| accettato

Risposto
Polarplot draws unwanted lines to origin when envelope is not full circle (0–360°)
hello seems to me that your data shoud NOT be sorted by angle. Of course this means you have to have the data ordered so that ...

2 mesi fa | 0

| accettato

Risposto
How to measure similarity between FRFs in MATLAB
hello Abo perhaps you could use correlation-based similarity? visually there is quite a good match even though the curves diff...

3 mesi fa | 1

| accettato

Risposto
How can I change Center Line, LCL, and UCL linestyles in controlchart for xbar and R charts.
hello Peggy maybe try this % Example: Create a control chart data = randn(30,4); % Example data controlchart(data); % Ac...

3 mesi fa | 0

Risposto
How do l increase the process gain by a factor of 10 and the time constant by a factor of 10
hello you simply need to change the numerator and denominator values double click on the process block and change : numera...

3 mesi fa | 1

Risposto
How to save a mixed data (strings and integers) from workspace into a matlab data file?
hello To save all variables in the current workspace to a .mat file: save('filename.mat') You can load the saved workspace la...

3 mesi fa | 0

Risposto
Adaptive PID Controller For DC Motor Speed Control
hello maybe this ? clc clearvars % To control the speed of a DC motor using an adaptive PID controller in MATLAB, you ca...

3 mesi fa | 1

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