Kopia z Nowy 31

(2%)

(£jS-

^A*^wk ^wk+1 ~ ^k + ^Wk-1

2

A w, w, — 2w, + w.

_ł£ _ -2_*_L

\ o /    p    O    f

9y . Ay    Ay

^{A w}k ^wl+l

^1-1

*1+1

+ Gw^-4w_]

k-2

- 4w.

k-1

k-ł-1 + ^Wk+2

»