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?& C- n" H, H9 P* Y- \( B, g7 @
下面的代码不知道能否满足你的要求。1 V9 j! U% O" E! C( T _
4 ^& | }6 P) u" U1 ^$ K7 o/ ^7 zbegin model initialization function( C/ T: a( p3 e& ]( \! l
create 1 load of L_null to P_creation J: d# _% w2 r6 ]5 i a' C
/*L_null is a load type of which the load create loads for the model.*/
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6 C$ b* V3 ~* g$ _ A return true3 [$ K$ [- R& |* n$ p
end
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begin P_creation arriving procedure
' W: M3 A5 B' f8 I- P. _ while 1 = 1 begin8 P# m$ ]$ @6 U- _
wait for V_interval sec
- ~, ?; V% y1 l3 U0 D" T! K/*V_interval is the interval of creation of loads, fixed or random.*/
, ~, x. E8 a7 Z/ n create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
9 M2 E3 ^1 i- _# E3 u5 x/*V_p is the parameter of the distribution.*/
: a" K+ o4 C; _, w7 k$ P end& F$ v+ h0 b9 p" x* g! L
end
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! n4 E7 S5 x6 a a; ebegin P_process arriving procedure7 i6 w' a7 u% }( x
/*Any process the load will be in.*/3 n8 m) x* k s# h! |) T
print "1 load created" to message" n, H) u% U. `- d) [7 \, P
end |