最近在用matlab做相干合成的数值模拟,在画图的时候遇到些问题,不知哪位高手能指点一下,多谢~ w<3g1n7R
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这个程序是计算远场光场中主瓣的能量,然后将主瓣能量和f的值画成散点图,最后画图步骤总是报错. nI-^
clear; 5jpb`Axj#
lam=500e-9;N1=4;N2=4; er0hf2N]
a=2e-4;z=5; +{$NN
k=2*3.14/lam;omega=0.00025; "uz}`G~O
xm=0.4*lam*z/a;ym=0.4*lam*z/a; aK%i=6j!
n=5; c&+p{hH+
syms thetax; kc3dWWPe
d=linspace(0,1,n); Y+k)d^6r
for i=1:n k-v@sb24_
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., H'L~8>
*exp(-0.5*k.^2*omega.^2*thetax.^2); O~r.sJ}
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); J&xH"U
Br1=I/16; 2VNMz[W'
f(i,:)=2*omega/d(i); ?0Qm
vpa(Br1,5) RaS7IL:e
end `g;`yJX<
plotmatrix(f,Br1)