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Domanda
How to solve mex function error caused by libstdc++ library version mismatch ?
Hello, When compiling a mex function, and running it right after, I get an error saying : Invalid C++ MEX-file 'myfun': /usr...
2 mesi fa | 1 risposta | 0
1
rispostaWhat could alter the behavior of a c++ library in a mex function ?
This question was almost two years ago, but I came back to it and find out that evaluating my mex function in another process us...
2 mesi fa | 0
| accettato
Domanda
Effectiveness of implicit and explicit parallelization of fft2
Hi, I have many images on which I want to do some FFTs. I want to accelerate this image processing with multithreading. I am ...
4 mesi fa | 2 risposte | 0
2
risposteCreating an accurate Doppler spectrogram visualization
Well there is quite a long way to go from this figure to a fully functionnal app like the one you are showing ! What you need i...
9 mesi fa | 0
| accettato
Domanda
access time of data in cell array vs matrix
Hello I am doing operations (denoising/detection etc) on images and it seems that it is faster to store them in a cell array ra...
9 mesi fa | 2 risposte | 1
2
risposteDomanda
How to plot a surface not sampled on a gid/mesh
Hi Is there a function that could plot a 2D surface defined on non meshed points ? In other words, if I have a surface defined...
circa un anno fa | 1 risposta | 0
1
rispostaHOW TO FFT A NOISY EARTHQUAKE DATA
You can directly compute your signal FFT as star strider did and you will see that something is happening around 5Hz. An issue ...
circa un anno fa | 0
How to randomize order of functions
Hi, By curiosity in what context do you need to do something like this ? You can store the functions handles in a cell and ca...
circa un anno fa | 0
Domanda
Clib is unable to load an interface library
Hello, I have a c++ shared library that I want to call from matlab using clib. Unfortunately when doing so clim seems to be ...
circa un anno fa | 2 risposte | 0
2
risposteDomanda
No out of memory error but matlab crash
Hello, I use matlab 2022a on ubuntu 20.04. These two codes crash matlab without generating an error message : ii=1; while 1...
oltre un anno fa | 2 risposte | 0
2
risposteObjective function is returning Inf or NaN values at initial point. lsqcurvefit cannot continue.
If you try this : modelFun(b0,x) the output has a nan. So you need to rework your function modelFun() in order to avoid this.
oltre un anno fa | 1
| accettato
A faster replacement for 'imfindcircles'
Il almost works but not quite because you can integreate a lot of signal in between 2 or 3 particles If you add another paramet...
oltre un anno fa | 0
How to sum values from a cycle
I think you are looking for this https://fr.mathworks.com/help/matlab/ref/sum.html angle = [30 25]; % 2 angles sum(angle) You...
oltre un anno fa | 1
A faster replacement for 'imfindcircles'
Hi Do you need a radius estimation of your circles ? And do you need to test a list of radius or do they all have the same know...
oltre un anno fa | 0
What could alter the behavior of a c++ library in a mex function ?
I am upping this question. Even Chatgpt could not help me. Who wants to beat the ai ?
oltre un anno fa | 0
Domanda
Is it possible to display text in the console using latex expressions ?
Hello, I would like to display in the console grec letters using the latex syntaxe. Is there a way do this ? For exemple I ca...
oltre un anno fa | 1 risposta | 0
1
rispostaError with "input" function
The function codeA = input('Code of the first participant: ', 's'); creates a string variable in your environnement called c...
quasi 2 anni fa | 1
| accettato
Plotting a 1D function by hovering on a 2D plot
You can use impixelinfoval to get the position of your cursor and a callback function to update the figure clear close all i...
quasi 2 anni fa | 0
| accettato
Domanda
How to unpack mono12packed data images from preview
Hello, I am using the image acquisition tool to control a camera and I would like to know how to use preview properly when the...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
Camera using the genTL interface disappears when using imaqreset
Hello, My pc is connected to a USB camera that I want to control through the genTL interface. I have two types of unexpected b...
quasi 2 anni fa | 1 risposta | 0
1
rispostaDomanda
What could alter the behavior of a c++ library in a mex function ?
Hello, I am trying to interface a camera to matlab in a context of development of a microscope. The idea is to control it (c...
quasi 2 anni fa | 1 risposta | 0