[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 di P4]/%1  
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Y值为负的那几个点是异常值 \#*;H|U.x  
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clc 'H-YFB$l  
clear ba:du |Ec  
close all LYo7?rp  
nx = 0:0.6:150; >IydXmTy  
n = length(nx)-1; ofhZ@3  
figure .6-o?=5  
xz = []; _(A+_|  
yz = []; a9q?9
X  
for ii = 1:n G&@RLht  
    f=300; hI#M {cz  
    h=150-nx(ii); lSsFI30  
    b=atan(h/f); 9(gOk
  
    d=(b/pi)*180 5T@'2)BI=  
    syms c i{RS/,h4  
   Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c); .`8,$"`4)  
   C=double(Y); K{|dt W&  
   e=(C/pi)*180; )o(F*v  
    x=0:0.1:0.6; t;PnjCD<`  
    y=(0.6-x)*tan(C); M/`z;a=EP  
    xz = [xz x+nx(ii)] .&!{8jBX  
    yz = [yz y]; |4*2xDcl  
    plot(xz,yz,'k-') !suiqP1\*  
    hold on -`1L[-<d=/  
    pause(0.01) _=$!T;}lE  
end NGD2z.  
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