本帖最后由 shouce 于 2015-11-26 21:34 编辑
( e7 {; @" c* F
5 t% l9 V" S' h# t& e0 y3 P3 m h% examlpe7.m
8 ^; X! X# w7 |. x) [5 ra=0; b=2; {, V* K4 N) |5 y( |9 f! d
eps1=1e-12;eps2=1e-12;
1 Q0 z6 }6 `7 U: N$ u- a N=300;/ p1 M2 v) e7 C/ ]9 s2 b# t
A=[-0.104020146 35.0002164 -0.004160847];
1 c& R! E: a' O+ ^[m,n]=size(A);
2 |9 I) d% o9 q1 Rfor i=1:m
9 y3 [% g3 w; G! C1 P7 Q, U) E) Za1=A(i,1);b1=A(i,2);m1=A(i,3);2 ?) E$ N/ w4 ^9 x5 ?+ v( {3 V
end
+ ~- w2 ^6 m' e! m; Ef=@ (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)));( _, z; @9 B/ e2 r1 C/ k; G
Hfun=@Bisection;
3 N" ~ _& {! c7 C[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);
. i# `$ J( M3 N5 L. b0 h+ G7 c$ m7 e4 a0 v6 y; N4 D$ F+ p) n
6 k0 E7 [ [& T: \5 z) ^
% 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
F9 T/ h( ?$ x; S/ T& X) g! H& B8 I0 t8 L4 F
部分运行结果:- a0 |( Q4 z: y) t% l
35, 1.303240794, 1.303240794, 1.303240794,0.000000896,, j) R% X7 Z7 [/ T( E- W8 }
36, 1.303240794, 1.303240794, 1.303240794,0.000000279,. w$ N2 c# R/ a) W, s+ t
37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,
5 \6 P/ O" v3 e* N1 d' X4 o* T 38, 1.303240794, 1.303240794, 1.303240794,0.000000124,
5 K" ]1 V, ]* E2 L3 R% E# s+ S; \5 f 39, 1.303240794, 1.303240794, 1.303240794,0.000000047,
9 S$ E7 k- D, |+ u. | 40, 1.303240794, 1.303240794, 1.303240794,0.000000009,3 \# D8 a% O& B& ]
41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,4 ]- ]0 H) C' N. u Y3 [
2 U& C9 j* A* }( d8 a- Q6 v* w4 a
) }0 a! k- z- Q( ]4 p3 S- z1 {$ `; k( m% R* ^. `
|