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FDTD 1D with scattered field /total field boundary
How to implement total/ scattered field boundary so that there is no reflection on the TF SF boundary due to numerical dispersio...
fast 11 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
How to generate random purmutation of string matrix ?
I would like to have binary mask matrix of sub-block matrices of 1s and 0s that are random inside the big matrix . The way i am...
etwa 11 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
How to add noise to rect fuction (rectangle) ?
How to add noise to the edges of 2D rect function? While all the rest is 1 and 0. So that the lines are not straight but still h...
etwa 11 Jahre vor | 2 Antworten | 0
2
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How to save jpeg image of data with custom colormap without using a .fig file?
I have large data (2Gb) that I have troubles plotting with pcolor or surf ? How can I save an jpeg image of contour map plot ...
etwa 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to visualize large data (2Gb) with pcolor or make jpeg ?
How can I plot with pcolor or surf large data ~ 2Gb ? An image like jpeg will be fine too. I can not tell if Matlab complains...
etwa 11 Jahre vor | 0 Antworten | 0
0
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How to get diffraction pattern (fft2) from image of double slit(jpeg image)
I would like to obtain the diffraction pattern from double slit. How can I set all blacks to 0 and all white to 1 so that the ...
etwa 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Direct 2D FFT from sinogram. Polar to cartesian grid interpolation in Matlab
down vote favorite In the theory of tomography imaging a sinogram is recorderded, which is series of projections at diffe...
etwa 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
FFT beam propagation time and space
I can propagate in space lets say gaussian beam with fft beam propagation method. How one adds time evolution of short pulse...
mehr als 11 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
How to plot projections of plot3(X,Y,Z) on same 3D graph
How can I plot on same 3D graph of plot3, the projections on XY and so on. X Y Z are vectors similar to the matlab example ht...
fast 12 Jahre vor | 1 Antwort | 1
1
AntwortFrage
Numerical integration. Integral depends on its previous path.
I would like to solve numerically an integral than depends on its previous path. Integral 7.14 from the attached file. Are t...
fast 12 Jahre vor | 0 Antworten | 0
0
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How to compute sqrt of complex number ?
sqrt(z) , (where z=x+iy a general complex number) will have two solutions. I would like to pick up a solution that lies in the f...
etwa 13 Jahre vor | 1 Antwort | 0
