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可运行的源代码:function dx = system_ct(t, x, u, T) # `- \5 _( Z5 V. C' s8 s
global vr wr: i, a1 a7 }3 f7 M3 y4 r8 `4 k
dx = zeros(3,1);
0 y( _" U7 s. X ~: i; Z w = wr - u(2);
% N; S- r. B- M* e6 A dx(1) = -w * x(2) + u(1);
' W) a7 t( \: J3 n% S' H dx(2) = w * x(1) + vr * sin(x(3));: c- A, l" z6 V6 u( y1 f
dx(3) = u(2);# ]: ?& q7 m% ~1 N4 `
end; l" R. T0 n+ |, [$ u) s
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E$ }1 s3 [+ g
1 z0 \, j+ K( J. I w更改了模型之后模型改为:
% X: Q) g, [9 e D7 z2 b; t, J! }7 mfunction dx = system_ct(t, X1 ,x , u , T) 7 ~; v3 K+ X8 r7 T- b% J6 {4 a0 |' g
global m11 m22 m33 d11 d22 d33 xmeasure
- d! q0 {. w: E# l/ z global Xu Xuu Yv Yvv Nr Nrr %均为常数
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d11=Xu+Xuu*abs(X1(4));
$ O9 u' X" M/ L, f' X: H% Fd22=Yv+Yvv*abs(X1(5));
3 ~# a( f) T% t. g( F3 hd33=Nr+Nrr*abs(X1(6));* f: W; E+ b1 e5 H( P5 a( Z- W
dX1 = zeros(6,1);2 S. b0 {& ?+ z8 O
dX1(1)=X1(4)*cos(X1(3))-X1(5)*sin(X1(3));
& F% P( C T, J9 {dX1(2)=X1(4)*sin(X1(3))+X1(5)*cos(X1(3));
$ J8 a; w9 K; i# a d6 `dX1(3)=X1(6);
, c; W7 d& F- V0 G2 ]+ }dX1(4)=(m22/m11)*X1(5)*X1(6)-(d11/m11)*X1(4)+u(1)/m11;
/ q9 T7 V: S0 E% T- x& B/ }dX1(5)=-(m11/m22)*X1(4)*X1(6)-(d22/m22)*X1(5);
F/ I& i5 B# s) e4 X8 EdX1(6)=((m11-m22)/m33)*X1(4)*X1(5)-(d33/m33)*X1(6)+u(3)/m33;
! W; d2 g5 X; p5 P4 w; \
' b4 s2 e$ u$ rdx = zeros(6,1);
6 d6 o" L g, d2 h( U# C& x7 E# hdx(1)=Xr(1)-dX1(1);
n3 x3 a) D. K/ d4 r4 \dx(2)=Xr(2)-dX1(2); N) h4 s6 x+ c: V$ E# d. \
dx(3)=Xr(3)-dX1(3);
# e v* t( N3 O A: {+ cdx(4)=Xr(4)-dX1(4);9 k. ?' n0 X4 ~) O) H4 i& }2 {$ I
dx(5)=Xr(5)-dX1(5);2 C) [# M' J. M8 E& C
dx(6)=Xr(6)-dX1(6);, f' }0 ~2 T. c8 S9 C
end
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: h% J& u1 g- f% f2 p7 }) L. v
运行即报错第68行,“输入参数的数目不足。”
* m1 P9 y* |1 X O请问各位这该怎么修改?
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