Lower Envelopes (Cont.). Yuval Suede. Reminder. Lower Envelope is the graph of the pointwise minimum of the (partially defined) functions. Letbe the maximum number of pieces in the lower envelope. . Reminder.
Lower Envelopes (Cont.)
w1 = u1u2 .. Um1
w2 = um1+1um1+2 .. Um2
Using we estimate the last expression by