[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 %t\`20-1<  
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Y值为负的那几个点是异常值 "$#x+|PyC  
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Cs  
clc 79a{Zwdd9j  
clear *kxk@(lT?  
close all <9/oqp{C4  
nx = 0:0.6:150; "0g1'az}  
n = length(nx)-1; >;QkV6i7  
figure u:N/aaU=  
xz = []; -?!Z/#i4  
yz = []; q01zN:|-1  
for ii = 1:n ;=6++Oq  
    f=300; y6;'?.Y1  
    h=150-nx(ii);
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    b=atan(h/f); `2NL'O:  
    d=(b/pi)*180 `ivr$b#  
    syms c Uz H)fB  
   Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); [(`T*c.#.X  
   C=double(Y); .d9VV&  
   e=(C/pi)*180; i[^?24~ c  
    x=0:0.1:0.6; _q=$L eO5  
    y=(0.6-x)*tan(C); 7s5?^^  
    xz = [xz x+nx(ii)] G_[|N>  
    yz = [yz y]; eF}Q8]da  
    plot(xz,yz,'k-') Qkk~{OuC  
    hold on >9=Y(`  
    pause(0.01) o&?Tz*"l  
end ~@bCSOIy  
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