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?
( X2 S' K j R+ N' o下面的代码不知道能否满足你的要求。
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begin model initialization function
7 f4 i, I& Q5 X8 ~ Y2 O create 1 load of L_null to P_creation
3 f9 p2 t- u8 F C6 X% p/*L_null is a load type of which the load create loads for the model.*/) r, u- `' G, Z4 G6 J: {
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return true
% Y9 E7 N- G# J% A& E( Bend
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7 `2 e9 |, Z! Y8 {" Ibegin P_creation arriving procedure0 `: L! r( {; `6 _" H8 w3 g9 i
while 1 = 1 begin
8 L h4 N }; _8 `) Y wait for V_interval sec
3 Z7 i" B6 N, Y% j) ?/*V_interval is the interval of creation of loads, fixed or random.*/. e& d3 R2 V0 U* X4 e. f9 r
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
9 K& e" h; r- r' M/ L' Z/*V_p is the parameter of the distribution.*/+ h/ \/ ~9 @* U; S \
end
; F. N+ b4 L" E @7 q7 _end
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! @4 m) ]* h* e! m( }) ~begin P_process arriving procedure9 r$ Z0 y3 N4 V& k/ x
/*Any process the load will be in.*/
; J5 |9 n m5 d* D, c, g/ O print "1 load created" to message
% v$ w# ]9 ^) N+ a! L- Tend |