adams里的三角波函數(shù)---[圖，求助]

weiliao

想要在剛體上加一個(gè)如附件中所示函數(shù)（周期函數(shù)）的力，請(qǐng)問(wèn)那位高手能幫忙把這個(gè)函數(shù)編出來(lái)，謝謝啊！急啊！

robi

step(time,0,0,t1,y1)+step(time,t1,0,t2,0)+step(time,t2,0,t3,-y1)+step(time,t3,0,t4,0)+step(time,t4,0,t5,y2)+step(time,t5,0,t6,0)
tx為圖中每一個(gè)時(shí)間點(diǎn)，y1為y軸的值
: Y7 _. `4 M- U& i) J" u# P( v1 H9 `你試試，不知道對(duì)不

miao400044

step(time,0,0,t1,y1)+step(time,t2,0,t3,-y1)+step(time,t4,0,t5,y2)