本帖最后由 shouce 于 2015-11-26 21:34 编辑
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% examlpe7.m
4 B8 B: E2 U4 Qa=0; b=2;
4 I0 x. X0 _9 Yeps1=1e-12;eps2=1e-12;6 U& P2 M/ u" T& x
N=300;, N2 y6 a' X! z3 s5 r, n1 M
A=[-0.104020146 35.0002164 -0.004160847];! T& {6 Z3 _; k1 G5 I
[m,n]=size(A);
# j" U% i2 U, z8 E" qfor i=1:m
1 z# o7 P, R t8 d ea1=A(i,1);b1=A(i,2);m1=A(i,3);1 }1 k) |& ~0 C! J. V
end. R7 |/ {% B* U, \$ G+ L. Z
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)));
7 [& o$ t$ _/ g5 ]& y; Y! F: yHfun=@Bisection;; r5 p" d$ l/ g' V- s4 h/ n
[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);& @* ]& x) O; F% H1 [, o/ X( E
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% 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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/ b( _: Q, O& O# u! ^: H部分运行结果:
3 a& [3 [- c0 e' f: M& y# ~) w 35, 1.303240794, 1.303240794, 1.303240794,0.000000896,
# j6 R# N6 Y' C4 O. _: g 36, 1.303240794, 1.303240794, 1.303240794,0.000000279,- ^- [& ~3 _; y# P& U
37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,3 B8 a! v7 ^6 R
38, 1.303240794, 1.303240794, 1.303240794,0.000000124,2 U) f" x9 T2 h/ A
39, 1.303240794, 1.303240794, 1.303240794,0.000000047,0 y, X2 p1 Q1 _* W1 A5 v# [
40, 1.303240794, 1.303240794, 1.303240794,0.000000009,
3 ?# o Q# X/ W B 41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,
) L G3 U8 @ U+ e1 s
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