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~ 33J}AK^FE
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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. yiQke
clear; F+*>q
lam=500e-9;N1=4;N2=4; B/q/sC
a=2e-4;z=5; o m`r^3,
k=2*3.14/lam;omega=0.00025; s#`%c({U|
xm=0.4*lam*z/a;ym=0.4*lam*z/a; ?u"(^93f
n=5; _ 55T
syms thetax; =v T3SY
d=linspace(0,1,n); '[-gK n
for i=1:n pWSYbN+d
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., ItDe_|!L
*exp(-0.5*k.^2*omega.^2*thetax.^2); +'> N]| Z
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); YP>VC(f
Br1=I/16; @p Qv}%
f(i,:)=2*omega/d(i); =}\]i*
vpa(Br1,5) w4'(Y,(`
end '97)c7E
plotmatrix(f,Br1)
