点阵训练
n=滑动条(1,100,1)
赋值(n,30)
初始长度
a=滑动条(0,5,0.01)
赋值(a,1)
#缩放倍数
c=滑动条(-2,5,0.01)
赋值(c,2)
#旋转角度
qq=滑动条(-2,5,0.01)
赋值(qq,6)
b=π / qq
A=(0,0)
#B=(a,0)
l1=A+扁平列表(追加({(0, 0)}, 序列((a sin(b) c^商式(k - 1, 2); b 商式(k, 2)), k, 1, n)))
l2=序列(向量(l1(k),l1(k+1)),k,1,n)
l3=序列(文本("P_{"+k+"}",(0.15,-0.15)+l1(k+1)),k,1,n)