本帖最后由 shouce 于 2015-11-26 21:34 编辑
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% examlpe7.m. }. k3 \8 _* q5 m
a=0; b=2;
" l# U8 a* k) m n: Feps1=1e-12;eps2=1e-12;
% b- s* V, u$ e D. e N=300;
! d6 k+ T: k6 b( UA=[-0.104020146 35.0002164 -0.004160847];' F; u& Z# I# S; b% G
[m,n]=size(A);' R" ?* k5 X5 `: v8 N4 |
for i=1:m - ]: Y0 Q& G8 H# a9 d
a1=A(i,1);b1=A(i,2);m1=A(i,3);' R' U1 ]/ S) h$ G
end4 R# W7 p7 \" D3 W
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)));4 ]: _+ Q+ \& F1 r/ G
Hfun=@Bisection;& T- n# N h) a& F/ M, f
[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);$ ]- E' L0 ?; a2 a1 v/ y) I
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2 R. Y' w- r9 a* ]! ~8 l8 v6 H% 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
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" T* `) z' l7 Y) }5 J部分运行结果:
" k9 \# ?( `4 g: X 35, 1.303240794, 1.303240794, 1.303240794,0.000000896," u: f+ E8 @. n/ Z
36, 1.303240794, 1.303240794, 1.303240794,0.000000279,$ L# g( p' T; _! F
37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,9 d% p( M1 x0 z
38, 1.303240794, 1.303240794, 1.303240794,0.000000124,
9 O) I* L5 g, j3 R( v 39, 1.303240794, 1.303240794, 1.303240794,0.000000047,0 Z( p1 ~8 Q" A
40, 1.303240794, 1.303240794, 1.303240794,0.000000009,) X- p! P% K) N
41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,$ I6 {3 [/ o9 E2 V) T' s
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