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~ B?j t?
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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. UT3Fi@
clear; vkG#G]Qs";
lam=500e-9;N1=4;N2=4; yJ? =##
a=2e-4;z=5; 01mu6)
k=2*3.14/lam;omega=0.00025; 7!J-/#!
xm=0.4*lam*z/a;ym=0.4*lam*z/a; 0nt@}\j
n=5; .n7 @$kq
syms thetax; T1Py6Q,-
d=linspace(0,1,n); (_pw\zk >
for i=1:n X_78;T)uA
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., IHEbT
*exp(-0.5*k.^2*omega.^2*thetax.^2); EXSJ@k6=8s
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); ]aPf-O*
Br1=I/16; 0qN`-0Y k
f(i,:)=2*omega/d(i); O\<zQ2m
vpa(Br1,5) y(|#!m?@
end l= {Y[T&
plotmatrix(f,Br1)
