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?
% G: G! [) i/ K9 a0 m5 T. M" [下面的代码不知道能否满足你的要求。1 H/ q1 t9 n! |! T, ^
, u" D# I6 f( o; W8 wbegin model initialization function5 n, y- m/ W; J. A8 p3 E* h
create 1 load of L_null to P_creation2 @! a( X. m" \+ L$ ?( _' x9 F
/*L_null is a load type of which the load create loads for the model.*/$ ^ }4 W* u, v# S- y7 b2 \
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return true
# F: ]6 f5 q* m: {) W, m: {end9 S; ]. x1 ]! S" z$ I* m
8 b9 u: U j( {begin P_creation arriving procedure
) ^1 g* m( u3 ^# _4 Z; x, W1 Z while 1 = 1 begin
/ s. o* j& m1 @$ B/ k wait for V_interval sec
. z4 h3 i: Q! s3 n/*V_interval is the interval of creation of loads, fixed or random.*/6 M e! a$ {' H) G# c4 D4 j
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die), X1 L/ Z1 v* F1 Z) [: n/ W
/*V_p is the parameter of the distribution.*// m- e) d1 I6 Y. f
end( t, |$ o! J7 P- i' u# A
end
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begin P_process arriving procedure
0 c7 Z% C3 }# g7 Q3 I4 B/*Any process the load will be in.*/
/ [$ f; j* V% z: `+ ]# v print "1 load created" to message* K1 e# e$ y1 o
end |