TA的每日心情 | 衰 2019-11-19 15:29 |
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签到天数: 1 天 [LV.1]初来乍到
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% syms s(t) e(t) i1(t) p(t) h(t) f(t) iph(t) %定义符号变量* s3 g0 B8 w6 n8 U! ^
% syms Beta IoTa Beta_2 Kappa Rho_1 Rho_2 Gamma_a Gamma_i Gamma_r Delta_i Delta_p Delta_h 希腊字母参数4 O J5 k5 `1 S5 B$ L# u
N = 11000000/250;7 |$ b% x8 K9 `( }" |3 {, V
%dS/dt4 Z. Y* D/ `) ^# t. C: V! i
dy(1)=-Beta*(y(3)/N)*y(1)-Iota*Beta*(y(6)/N)*y(1)-Beta_2*(y(4)/N)*y(1);
$ Z% `2 r. `1 `% Q%dE/dt/ ~% B1 z2 S, F+ T M
dy(2)=Beta*(y(3)/N)*y(1)+Iota*Beta*(y(6)/N)*y(1)+Beta_2*(y(4)/N)*y(1)-Kappa*y(2);+ d+ K, `* K' w. L, ~
%dI/dt' r) q9 ^. p. H0 U; a- _2 Z) P1 Z
dy(3)=Kappa*Rho_1*y(2)-(Gamma_a+Gamma_i)*y(3)-Delta_i*y(3);
2 d6 u6 j5 f: x# X! N( H/ I2 n%dP/dt
w/ f1 X0 T# ]0 X# |dy(4)=Kappa*Rho_2*y(2)-(Gamma_a+Gamma_i)*y(4)-Delta_p*y(4);
1 C* {* U/ t# H' x) ?5 L%dA/dt
2 P4 e( O0 u# s ]# y8 s' X! ndy(5)=Kappa*(1-Rho_1-Rho_2)*y(2);" I( B1 C5 j1 p" M. `) z
%dH/dt" v$ y/ r* ^$ Z& }/ ]
dy(6)=Gamma_a*(y(3)+y(4))-Gamma_r*y(6)-Delta_h*y(6);
( w' {% Q- I+ L5 J" J n%dR/dt6 ?. k: @ h: |" u; F( F0 F( @6 F) f
dy(7)=Gamma_i*(y(3)+y(4))+Gamma_r*y(6);
A1 q2 E7 F2 n5 u* ]+ e%dF/dt7 `$ k/ C: | n& d+ [- S
dy(8)=Delta_i*y(3)+Delta_p*y(4)+Delta_h*y(6);% o$ n l& ?# {. p
%d(I+P+H)/dt
+ P2 ]) F) T2 ?, d+ U- Pdy(9)=dy(3)+dy(4)+dy(6);
2 |: H* K7 H/ _. A%y(9)数据
, X: y9 J$ x$ g6 ]y9data1 = [6, 12, 19, 25, 31, 38, 44, 60, 80, 131, 131, 259, 467, 688, 776 ...,9 m8 h% h7 I8 o6 x9 K6 Q8 e! w
1776, 1460, 1739, 1984, 2101, 2590, 2827, 3233, 3892, 3697, 3151 ...,
0 l4 s' l/ }" h6 Q 3387, 2653, 2984, 2473, 2022, 1820, 1998, 1506, 1278, 2051, 1772 ...,
: K. p4 K- J4 y% z' _# N& Z 1891, 399, 894, 397, 650, 415, 518, 412, 439, 441, 435, 579, 206 ...,
3 k, p4 T8 d: q2 g3 C" d* J 130, 120, 143, 146, 102, 46, 45, 20, 31, 26, 11, 18, 27, 29, 39, 39];" ], N% ~# {- T5 e- c6 u/ k9 W' J k
%y(8)数据
1 c( _$ F8 H/ Y" @$ ny8data1= [0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 4, 8, 15, 15, 25, 26, 26 ...,/ m+ d- D% l0 `3 i4 M1 q
38, 43, 46, 45, 57, 64, 66, 73, 73, 86, 89, 97, 108, 97, 254 ...,. p, v {, a1 _& o+ g# w& }
121, 121, 142, 106, 106, 98, 115, 118, 109, 97, 150, 71, 52, 29 ...,5 d# U5 ], G) s% T
44, 37, 35, 42, 31, 38, 31, 30, 28, 27, 23, 17, 22, 11, 7, 14 ...,) ?; s) m! V" V; h! ^+ r6 R: ]
10, 14, 13, 13]; 5 q* t5 ]7 J1 O- J4 n
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