elis02

Last seen: 12 mois il y a | Actif depuis 2017

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Interpolation of a matrix in 2D for complex numbers
To solve this i'm using interp2 right now. E_x_y_t([1:length(x)/4, length(x)/4+length(x)/2+1:length(x)],:,:) = []; E_x_y_t(:...

environ un an il y a | 0

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Interpolation of a matrix in 2D for complex numbers
Hello I have a 3D matrix of a field E_x_y_t. say it's 600 x 700 x 2048 (correlated to x y and t) At some point I'm deleting ...

environ un an il y a | 2 réponses | 0

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FFT of gaussian if radial domain
Hi I defind a gaussian with cartesian dimain as written below. How do I make the same but with radial? without the angle (thet...

environ un an il y a | 1 réponse | 0

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script transition from cartesian to cylindric issues
Hi I wrote a code for beam propagation in a medium but for some reason the cartesian vs the cylindric is different. I think i...

environ un an il y a | 1 réponse | 0

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non uniform data using imagesc is wrong
Hi I have a matrix of values (see attached), with spaced frequencies. than i use the command imagesc(1:step_number, frequenc...

environ un an il y a | 1 réponse | 0

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Long running time with loops, is it possible to cancel the loops?
Hi I have a code with many loops but it runs forever. Could you please take a look and let me know if somehow i can change to...

environ un an il y a | 1 réponse | 0

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3d fitting surface from data. find function and it's tranverse
Hi I have data in the excel file. You can see there Col and Hor results. and input of two angles. (theta, phi) between -55 ...

presque 3 ans il y a | 1 réponse | 0

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fourier image of angled shape, and changes when cropping
Hi Attaching my script. you will see in the begining cropping=0; you can change that to 1 to make sure - something with my ...

environ 3 ans il y a | 0

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fourier image of angled shape, and changes when cropping
Hi Attached is an image (please unzip) which has some kind of spot in an angle. I'm performing the following fft as in the ph...

environ 3 ans il y a | 2 réponses | 0

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Ellipse angle dimension and axis
Hi I need help with fitting automatically to ellipse. ( I have a photo of a spot from a camera. (added A=imread of the file i...

environ 3 ans il y a | 1 réponse | 0

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is it possible to replace for loops to fast it up?
Hello, Example of something i have is: for ang=1:length(angle) parfor dist=1:length(distance) sol(ang,dist)=abs(pu...