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Please someone solve the error of unexpected error at x=D./2f

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Soham Jadhav
Soham Jadhav on 23 Oct 2017
Answered: Cedric Wannaz on 24 Oct 2017
clear all;
close all;
clc;
n=1.49;
D=0.1:.02:0.3;
f=0.2;
x=D./2f;
NA=n*sin(atan(x));
plot(D,NA);
xlabel('Diameter of lens');
ylabel('Numerical Aperture');
title('Variation in numerical aperture with increase in diameter')

Answers (1)

Cedric Wannaz
Cedric Wannaz on 24 Oct 2017
What is 2f? Is this what you are trying to compute?
x = D ./ (2*f) ;

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