
Typical profiles for ‘‘u(i)> 0,’’ ‘‘u(i)< 0,’’ ‘‘delta (i)> 0,’’ and ‘‘delta(i)< 0’’ are
shown in Figures 7.40 through 7.43 for the case where the average numbe r of admissions exceeds
the average number of discharges plus deaths.
Figures 7.44 and 7.45 show results of a single run for 100 days under the following conditions:
m
S
¼ 21, s
2
S
¼ 4, m
E
¼ 5, s
2
E
¼ 2
m
D
¼ 23, s
2
D
¼ 9, m
M
¼ 2, s
2
M
¼ 0:25
L ¼ 200, x
0
¼ 200
Hospital occupancy fluctuates between 195 and 200 corresponding to occupancy rates ranging from
97.5% to 100%. The high occupancy rates are consistent with the condition m
S
þm
E
> m
D
þm
M
,
that is, the average daily arrival of new patients is greater than