syms t x y z; a=sym('a(t)'); g=[-1,0,0,0;0,a^2,0
Sun Dec 08 14:33:17 CST 2019
6,148,72,35,0,33.6,0.627,50,11,85,66,29,0,26.6,0.3
2,117,90,19,71,25.2,0.313,21,03,84,72,32,0,37.2,0.
c=[1;8;4;1;2;7;6;5;3;5;4;8;4;1;6;3]; a=[]; b=[];
Sun Sep 29 14:28:31 CST 2019
Tue Jun 15 17:44:40 CST 2021
Fri Nov 15 09:24:46 CST 2019
Sun Aug 04 11:31:03 CST 2019
Sun Oct 13 04:46:32 CST 2019
Sat Mar 31 02:54:54 CST 2018
