% for t=0 :0 .2 :3 0% hold on% plot(t,1 ,g)% endfor t=0 .8 :0 .1 :1 2 .2hold onplot(t,0 .5 ,g)if t=1plot(1 ,2 :0 .1 :4 ,g*)endif t1 &t2 .9 5 &t4 &t3 .5 &t6 &t8 &t1 0 &t1 1 &t1 4 &t1 6 &t1 7 .9 5 &t1 8 .4 5 &t1 9 &t1 9 .4 5 &t2 0 .9 &t2 2 &t2 4 &t2 5 .9 &t2 6 .9 &t2 6 .5 &t2 9 &t2 9 &t3 0 .1plot(t,1 /2 *cos( pi/2 *(t-2 9 )+3 .5 ,g*)plot(t,-1 /2 *cos( pi/2 *(t-2 9 )+3 .5 ,g*)endend
