elis02

Last seen: 11 meses hace | Con actividad desde 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(:...

alrededor de 1 año hace | 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 ...

alrededor de 1 año hace | 2 respuestas | 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...

alrededor de 1 año hace | 1 respuesta | 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...

alrededor de 1 año hace | 0 respuestas | 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...

alrededor de 1 año hace | 1 respuesta | 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...

alrededor de 1 año hace | 1 respuesta | 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 ...

casi 3 años hace | 0 respuestas | 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 ...

alrededor de 3 años hace | 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...

alrededor de 3 años hace | 2 respuestas | 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...

alrededor de 3 años hace | 1 respuesta | 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...

casi 6 años hace | 1 respuesta | 0

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extracting phase from ifft on fft of a signal
Hello, I'm trying to extract a phase ifft function. But i'm getting something not logical (a triangle) In order to complica...