本帖最后由 shouce 于 2015-11-26 21:34 编辑 0 q5 f0 n4 k& @4 c3 u
, i0 R% x8 R+ d* P1 V% examlpe7.m: L, i4 F8 ?' o6 X3 i
a=0; b=2;
4 |; v% I* [. w7 feps1=1e-12;eps2=1e-12;
9 r( x6 X" K# L1 \' m/ G! U N=300;$ }# |" k& @' h/ p8 [8 i
A=[-0.104020146 35.0002164 -0.004160847];
: j% A6 `0 Y: x {[m,n]=size(A);# e* D: f1 F. B
for i=1:m
+ h$ O$ V0 L0 _; fa1=A(i,1);b1=A(i,2);m1=A(i,3);0 X, W- e% _/ y2 F! \/ M9 {
end
3 Z# Z6 \3 o4 h+ R% o7 W! J# w# uf=@ (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)));3 t2 a" _8 q* p/ u& R+ H$ }3 P" t
Hfun=@Bisection;
s. @: T: _/ ?! V+ R( d) Z2 C% v[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);
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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0 \0 f* x @+ Y. R \
2 H( w [4 g0 B e# K9 C* T) X- a部分运行结果：
% g. Y: k# O* d/ }! m; v 35, 1.303240794, 1.303240794, 1.303240794,0.000000896,5 W& ^& w- ? u( e) x* I
36, 1.303240794, 1.303240794, 1.303240794,0.000000279,! q7 E" @, \ m: |( H
37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,- X/ S" i" U9 E; G% ~7 \5 ~
38, 1.303240794, 1.303240794, 1.303240794,0.000000124,! G* t9 }7 {) Q# Y
39, 1.303240794, 1.303240794, 1.303240794,0.000000047,
6 e" \% E# h- b/ R3 b7 w' A 40, 1.303240794, 1.303240794, 1.303240794,0.000000009,
]: I! B6 f; P! I& u* f2 Y: z. M% d 41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,
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发表于 2015-11-26 21:28:44