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~ tn!z^W
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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. ovJ#2_
clear; %>B?WR\yE
lam=500e-9;N1=4;N2=4; (]7&][
a=2e-4;z=5; M&o@~z0
k=2*3.14/lam;omega=0.00025; qDZ?iTHQq
xm=0.4*lam*z/a;ym=0.4*lam*z/a; x
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n=5; \o3)\
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syms thetax; 3`[f<XaL
d=linspace(0,1,n); ZlD\)6 dZ
for i=1:n ={,\6a|]:
B1(i,:)=(sin(0.5*N1*k*d(i)*thetax)./sin(k*0.5*d(i)*thetax)).^2 ..., spter35b[
*exp(-0.5*k.^2*omega.^2*thetax.^2); ^Uss?)jN4
I(i,:)=int(B1(i,:),thetax,-lam/(N1*d(i)),lam/(N1*d(i))); ov&4&v
Br1=I/16; VL=. JwK
f(i,:)=2*omega/d(i); 4#Wczk-b
vpa(Br1,5) )HbsUm#
end Lt>"R! "x
plotmatrix(f,Br1)