精选优质文档-倾情为你奉上MATLAB编程：format short g;F(21,14)=0;xg=0 600 1100 1500 2100 2500 2900 350 2050 1500 1000 600 200 -700 -1300 -1700 -2000 -1800 -1500 -700 -250 200 -100 0 0 0;xg1=xg*2200/max(xg);xg2=diff(xg1);f(14)=0;f(4)=9000;t=0.05;m=250;c=240;for i =1:21f(3)=xg2(i);f(1)=0.05*i-0.05;f(2)=xg1(i);f(6)=-m*(f(3)-6*f(12)/t-3*f(11)+c*(3*f(12)+f(11)/2*t);f(5)=f(4)+6*m/t2+3*c/t;f(7)=f(6)/f(5);f(9)=3/t*f(7)-3*f(12)-0.5*f(11)*t;f(8)=6/0.052*f(7)-6/0.05*f(12)-3*
