(6)计算 f3=f(x3,y3) x=xth 112 p=y0+-(2f3-f2+2f)m=p+ (Co-po) 121 c=(9y3-y1)+hf(x,m)+23-f2] 9 (c-p) 输出(x,y) 121 (7)若n<N,置n+1→n,xA→x,yA→y,f→f (=0,1,2),x→x3,y→y3,p→p02C→C02转6; 否则停机3 3 3 3 0 3 2 1 0 0 3 1 3 2 1 1 1 3 3 0 (6) ( , ) 4 112 (2 2 ) ( ) 3 121 1 3 (9 ) [ ( , ) 2 ] 8 8 9 ( ) , ) 121 (7) 1 , , , ( 0,1, 2), , , , j j j j j j f f x y x x h p y f f f m p c p c y y h f x m f f y c c p x y n N n n x x y y f f j x x y y p p + + + = = + = + − + = + − = − + + − = − −  +     =    计算 输出( 若 ，置 0 c c  , 6 转 ； 否则停机