[求助]matlab编程绘图，三角函数，菲涅尔 [复制链接]

程序有问题，在140.4、139.8、132等点处有异常值，请教一下大家怎么改，应该是Y=…那一步的式子有问题，谢谢 B9c gVTLj  
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Y值为负的那几个点是异常值 )YwLj&e4tf  
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clc 8-@HzS%  
clear t7,$u-  
close all |nqN95'u+]  
nx = 0:0.6:150; PO:sF]5  
n = length(nx)-1; BD]o+96qP  
figure u?'J1\z  
xz = []; vRDs~'f  
yz = []; \}YAQ'T  
for ii = 1:n ,VzbKx,  
    f=300; {*<%6?  
    h=150-nx(ii); nu2m5RYx  
    b=atan(h/f); Wy /5Qw~s  
    d=(b/pi)*180 x]4>f[>*>  
    syms c 8CH9&N5W5t  
   Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); Ua~8DdW  
   C=double(Y); FiXqypT_(  
   e=(C/pi)*180; E;q+u[$  
    x=0:0.1:0.6; O2U}jHsd  
    y=(0.6-x)*tan(C); k$kxw_N5d  
    xz = [xz x+nx(ii)] gQ<{NQMzvd  
    yz = [yz y]; 7=&+0@R#/d  
    plot(xz,yz,'k-') _p^Wc.[~M  
    hold on V`1x!
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    pause(0.01) ZQ'|B  
end 2~vvE  
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