本帖最后由 shouce 于 2015-11-26 21:34 编辑 2 H; e* `0 c* e4 [& [ Y ?
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% examlpe7.m
# x- U r3 @2 ~5 Ra=0; b=2;3 z8 j; J0 O; i$ P
eps1=1e-12;eps2=1e-12;
0 F a# H$ L3 C/ P& J& O1 g N=300;. _0 B; x8 L$ M5 {, I( E4 h8 \, ]
A=[-0.104020146 35.0002164 -0.004160847];/ E" e$ O7 ?# V6 d0 ~2 _: O
[m,n]=size(A);+ q! }# ]% t, D6 z
for i=1:m
( B7 e/ x. y2 x8 O. k3 s$ ea1=A(i,1);b1=A(i,2);m1=A(i,3);, w/ q) H8 b: G7 u- |
end! Q9 n! P- M0 E; I S7 F
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)));
$ @( a; N/ m2 OHfun=@Bisection;
7 G/ ], p" z: A[k,x,f_value]= feval(Hfun, f,a,b,eps1,eps2,N);
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, I! ~ ^+ z2 b8 w3 x' N% 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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4 Z4 c0 y, ~6 E; R, n/ c部分运行结果:
7 D8 n2 b0 _: k 35, 1.303240794, 1.303240794, 1.303240794,0.000000896,
, ~' ?7 F7 Z) }2 i3 f" g 36, 1.303240794, 1.303240794, 1.303240794,0.000000279,/ L2 a. m8 t" u" i9 `0 w$ Z
37, 1.303240794, 1.303240794, 1.303240794,-0.000000030,
R L! r7 z1 W% o2 n& T 38, 1.303240794, 1.303240794, 1.303240794,0.000000124,
\- `3 b& }& {/ H7 F# V8 b1 ` 39, 1.303240794, 1.303240794, 1.303240794,0.000000047,8 c2 B5 ?8 T$ B# y
40, 1.303240794, 1.303240794, 1.303240794,0.000000009,
) K/ u+ W2 Q& ? }! r% M' R 41, 1.303240794, 1.303240794, 1.303240794,-0.000000011,. U/ |" ^0 i2 ~1 O" w9 p/ T t
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