程序有問題,在140.4、139.8、132等點處有異常值,請教一下大家怎么改,應該是Y=…那一步的式子有問題,謝謝
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1mV0AE538 Y值為負的那幾個點是異常值
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{RC clc
T{M:)}V clear
f#nmr5F close all
t*#&y:RG nx = 0:0.6:150;
h:NXO' n = length(nx)-1;
u5_fM*Ka figure
5S?yj xz = [];
3Cl9,Z"&6$ yz = [];
5=986ci$U for ii = 1:n
[ub\DLl f=300;
a40BisrD~6 h=150-nx(ii);
#*/h*GNMs b=atan(h/f);
:<gk~3\ d=(b/pi)*180
I2T2'_I syms c
UXJl;Mb Y=solve(sin(c-b)-1.494*sin(3*c-pi)==0,c);
)]R?v,9*D C=double(Y);
0}V'\=F454 e=(C/pi)*180;
B$Z!E%a; x=0:0.1:0.6;
y|se^dn y=(0.6-x)*tan(C);
XEEbmIO*<9 xz = [xz x+nx(ii)]
U8KY/!XZ yz = [yz y];
Fm':sd)'X plot(xz,yz,'k-')
SI9hS4<j hold on
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