本帖最后由 shouce 于 2015-11-26 21:34 编辑
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% examlpe7.m) m Z0 N8 v F5 y
a=0; b=2;
5 U3 s9 ]) X' L8 t7 M, h4 Seps1=1e-12;eps2=1e-12;, c9 ~* {; L: Q6 d
N=300;7 x! P( _# H! D- S4 a) C
A=[-0.104020146 35.0002164 -0.004160847];
( M2 n* O( R: K0 q[m,n]=size(A);, [# y6 X% ]' q7 u8 ]" A0 F
for i=1:m
, F) D2 X" H- U8 F2 Na1=A(i,1);b1=A(i,2);m1=A(i,3);
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f=@ (x) ((285+60*tan(45*pi/180)-b1*sin(x)-a1*cos(x))*(a1+b1*m1)+(60)^2*x*(sin(x)-m1*cos(x))-60*285*tan(45*pi/180)*(m1*sin(x)+cos(x)));
& u0 m" {( f# w& s- O$ \: c- _Hfun=@Bisection;
% \$ n- [) p) L[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);2 w2 S+ O8 Z$ W2 O2 m) m
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# M! e8 I* w0 K9 B, J& _, |% A 为离散点坐标及导数 中心距 285 左旋 螺旋角45度 在二分法中增加一部些程序，方便了很多- e- n/ p2 l9 e
2 r0 }+ I* A# ]% k部分运行结果：6 Q" [2 a2 [2 a% X0 M3 j! }$ `
35, 1.303240794, 1.303240794, 1.303240794,0.000000896,6 A* l- T0 H5 [" K, Z8 U/ }" g0 X
36, 1.303240794, 1.303240794, 1.303240794,0.000000279,
" r9 W4 q/ C4 ~+ f' T; L1 n' T 37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,) m+ B% O& F2 P1 u6 f1 j
38, 1.303240794, 1.303240794, 1.303240794,0.000000124,; ?) R8 _( U n% h) F/ y- ?) j
39, 1.303240794, 1.303240794, 1.303240794,0.000000047,; B; S7 h- C! c: s3 T
40, 1.303240794, 1.303240794, 1.303240794,0.000000009,
" U8 z9 k/ P. h: Z5 Z; r 41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,
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发表于 2015-11-26 21:28:44