什么叫“到达为伯努力过程”?是不是说,隔一段时间出现一个机会,产生或不产生load?4 S; b2 E: D& d9 T: `( F# s4 M
下面的代码不知道能否满足你的要求。, e$ j3 s/ n, z+ @5 _' }4 n+ u
* q2 {/ U1 K1 M7 \' D; V8 Wbegin model initialization function
6 G; [* x# i, A. C( W create 1 load of L_null to P_creation0 y5 i! J; }) H" i7 S
/*L_null is a load type of which the load create loads for the model.*/
1 O" _5 n: w w, v/ ]# Q0 P: `/ t5 y! u/ O; X1 h1 l
return true
$ U/ I! k" E* y0 {end: O: F5 Q$ k+ M& {( Z, w
3 U ?$ i9 f1 c% c! S
begin P_creation arriving procedure: S8 y( u3 S* H$ D9 L4 B' z
while 1 = 1 begin) T" }! _4 p; ^, k" |1 V3 \
wait for V_interval sec
3 K# @+ E$ F" u8 ], D/*V_interval is the interval of creation of loads, fixed or random.*/' h* G2 k1 Q \8 L5 _& {; n. s
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)3 z1 g( }) z+ t) h- ^% G
/*V_p is the parameter of the distribution.*// `( U, Y8 O/ L0 p, j' P0 ?
end
' ~2 o1 v' y* s ?end' Y3 e1 {! r/ ?0 `, h
t% F, Q$ `7 b! A* B, c2 Jbegin P_process arriving procedure
9 R) N8 W" H: m# e/*Any process the load will be in.*/
$ u8 M7 f# J ~( Z print "1 load created" to message
9 X5 [' ?9 O. C; \% Gend |