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MOHD


Last seen: 3 mesi fa |  Attivo dal 2012

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MOHD ABDUL GAFFAR IITG Professional Interests: Optical image processing

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Domanda


How to calculate the area of dark core of intensity distribution at Full width at half maximum?, which has ring like structure.
Hello sir, I have to calculate the area of dark core of intensity distribution at Full width at half maximum, which has ring li...

oltre 5 anni fa | 1 risposta | 0

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Domanda


How to stop for loop if E approximately = 0.8.?
clc; clear all; close all; [x,y]=meshgrid(-1:2/128:1); circ=(x.^2+y.^2)<1; A=ones(129,129); B=A.*circ; a1...

quasi 9 anni fa | 1 risposta | 0

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Domanda


I have intensity image , how to find half energy width of image.
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quasi 9 anni fa | 1 risposta | 0

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Domanda


How can I draw poincare sphere using stokes parameters?
How can I draw poincare sphere using stokes parameters

circa 10 anni fa | 0 risposte | 0

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Domanda


How to implementation DFT (discrete fourier transform) to intensity?
Here I am trying to calculate intensity of Xpolarized light by using DFT (discrete fourier transform) instead of fft, by us...

oltre 10 anni fa | 1 risposta | 0

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Domanda


How to calculate Discrete Fourier transform of a matrix by numerically?
Here I am able write code to find out DFT of array numerically with out using for loop(2 nd for loop), I am facing problem to f...

oltre 10 anni fa | 0 risposte | 0

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Domanda


How to select matrix elements along aritrary angle i.e (Any angle between 0 and 90 degree except 0,90,45 deg ) ?
# clear all; # clc; # close all; # [kx,ky]=meshgrid(-1:2/21:1); # # circ=sqrt(kx.^2+ky.^2)<1; # alp=asin(0.95); # # ...

oltre 11 anni fa | 1 risposta | 0

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Domanda


How can I create a movie from the following program?
clear all; clc; close all; dim=32; [kx,ky]=meshgrid(-3:6/(dim-1):3); circ=sqrt(kx.^2+ky.^2)<1; r=sqrt(kx.^2+ky.^2); alp=a...

oltre 11 anni fa | 1 risposta | 0

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Domanda


How we can display images at different times by using for loop instead of following program and how we can make movie from following program?
clear all; clc; close all; dim=32; [kx,ky]=meshgrid(-3:6/(dim-1):3); circ=sqrt(kx.^2+ky.^2)<1; r=sqrt(kx.^2+ky...

oltre 11 anni fa | 0 risposte | 0

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Domanda


How we can display images at different times by using for loop instead of following program and how we can make movie from following program?
# clear all; # clc; # close all; # dim=32; # [kx,ky]=meshgrid(-3:6/(dim-1):3); # circ=sqrt(kx.^2+ky.^2)<1; # r=sqrt(kx.^2+...

oltre 11 anni fa | 1 risposta | 0

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Domanda


how to increase magnification of images 2,3,4?
clear all; clc; close all; dim=32; [kx,ky]=meshgrid(-1:2/(dim-1):1); circ=sqrt(kx.^2+ky.^2)<1; alp=asin(0.95);...

oltre 11 anni fa | 1 risposta | 0

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Domanda


How to perform integral ?
clear all; clc; close all; dim=64; L=531*10^-9; k=2*pi/L; [x,y]=meshgrid(-L:2*L/(dim-1):L); r=sqrt(x.^2+y.^...

oltre 11 anni fa | 0 risposte | 0

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Domanda


How to find out the position matrix from Intensity matrix?
Hi sir, I sending following program by using this I am finding intensity in the focal plane for an X-polarized (linearly po...

quasi 12 anni fa | 0 risposte | 0

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Domanda


How to replace a matrix element
Hi, I am having a particular problem in the foll matrix: A=[-1 1 0 0 0; 0 -1 1 0 0; 0 0 0 -1 1; -1 1 0 0 0]...

quasi 12 anni fa | 1 risposta | 0

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Domanda


How to plot poynting vector profile by using electric and magnetic filed components ?
HERE I AM ADDING CODE here I have to plot Quiver plot for poynting vector components Sy,Sz; how to get position matrices...

quasi 12 anni fa | 0 risposte | 0

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Domanda


how to perform for loop;
dim=64; [kx,ky]=meshgrid(-1:2/(dim-1):1); circ=sqrt(kx.^2+ky.^2)<1; kx=kx/2; ky=ky/2; a...

quasi 12 anni fa | 0 risposte | 0

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Domanda


how to get cross product of two vectors?
hi, I have problem to find out crossproduct of two vectors(AXB), where each component of vector represent 4X4 matrix example...

circa 12 anni fa | 1 risposta | 0

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Domanda


How to get cross product?
Hi, I have problem in follolowing code,can any one help me to get cross product of E and B clear all; clc; close a...

circa 12 anni fa | 1 risposta | 0

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Domanda


HOW TO GET TOTAL DATA FROM FOR LOOP?
Hi, I have problem in following code, I am saving for loop data using the following method(matrix method) but it is lengt...

circa 12 anni fa | 1 risposta | 0

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Domanda


How to find out the separation between to peaks of the azimuthally polarised beam at full width at half maximum?
hi, I have problem to find separation between two peaks at full width at half maximum, if you run following code you find figure...

circa 12 anni fa | 0 risposte | 0

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Domanda


How to find out the separation between to peaks of the azimuthally polarised beam at full width at half maxiumu?
Hi, I have problem in the following code, can anyone help me in this regard, it is great help for me; [kx,ky]=meshgrid(-1:...

circa 12 anni fa | 0 risposte | 0

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Domanda


HOW TO FIND THE FULL WIDTH AT HALF MAXIMUM
Hi, I have a problem in the following code: clear all; clc; close all; lamda=531e-9; k=2*pi/lamda; [x,y]=...

circa 12 anni fa | 1 risposta | 0

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