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~ +J42pSxzoo
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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. J~ z00p`E
clear; W E
/1h
lam=500e-9;N1=4;N2=4; qyY/:&E, Z
a=2e-4;z=5; $ 93j;
k=2*3.14/lam;omega=0.00025; cj#.Oaeq*
xm=0.4*lam*z/a;ym=0.4*lam*z/a; [ 4PiQyr
n=5; m'ZxmsFo
syms thetax; $JK,9G[Vu
d=linspace(0,1,n); P}!pmg6V
for i=1:n G*zhy ! P
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., TD!c+ ${w
*exp(-0.5*k.^2*omega.^2*thetax.^2); 7Mh!@Rd_V
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); '|&?$g(\h
Br1=I/16; B6!ni@$M8X
f(i,:)=2*omega/d(i); {Sc*AE&Y
vpa(Br1,5) H]{`q
end I]91{dq
plotmatrix(f,Br1)
