adams里的三角波函數---[圖，求助]

weiliao

想要在剛體上加一個如附件中所示函數（周期函數）的力，請問那位高手能幫忙把這個函數編出來，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為圖中每一個時間點，y1為y軸的值
, j/ V7 t2 d$ e% _+ z' a你試試，不知道對不

miao400044

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