本帖最后由 shouce 于 2015-11-26 21:34 编辑
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1 x1 H5 `' n) \% examlpe7.m# R, G: q: d, g1 a1 D' U
a=0; b=2;
" a- I5 K8 d4 U: |) _; keps1=1e-12;eps2=1e-12;. {% X: @1 d" a1 u
N=300;
7 n, q9 N' C% E1 pA=[-0.104020146 35.0002164 -0.004160847];; j" o0 p( {% k
[m,n]=size(A);. |5 R( s! ]" n( s4 O
for i=1:m
6 j% O# a* I l( s0 E; L \) ka1=A(i,1);b1=A(i,2);m1=A(i,3);
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; [0 e) d% n! A A& K% Vf=@ (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)));
6 f& |' P4 p, U- M# THfun=@Bisection;$ P! K; C. S! \5 O
[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);
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6 F7 @9 P: Q7 U& H: I% 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7 M' j0 i3 M& H1 z. W I
; Q5 E9 j. F; Z) p部分运行结果：/ g$ W# k% W* j0 r' D! O3 _5 f! {* c
35, 1.303240794, 1.303240794, 1.303240794,0.000000896,+ G! _, s: F" I( _
36, 1.303240794, 1.303240794, 1.303240794,0.000000279,
. t. a# i0 S! A$ v' B* ^ 37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,* ]1 f- {" |* T( R
38, 1.303240794, 1.303240794, 1.303240794,0.000000124,
* k/ U: B$ F p" r 39, 1.303240794, 1.303240794, 1.303240794,0.000000047,
4 L+ a8 T% K1 Y, W4 \- [ 40, 1.303240794, 1.303240794, 1.303240794,0.000000009,
' X7 U) y' K+ u. I; T5 v* N2 t 41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,
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发表于 2015-11-26 21:28:44