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?/ p/ }- J u" u2 u m
下面的代码不知道能否满足你的要求。2 X7 a. w, |1 u: a
* P- P. W3 L) y+ G, b) |begin model initialization function
1 b" A6 u9 f+ F P$ F, ]+ r create 1 load of L_null to P_creation
# E l: R: Y; \! E+ o/*L_null is a load type of which the load create loads for the model.*/
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return true
& ?$ T9 B* W4 @0 x u: pend
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; U; S3 Z4 p% Y+ _begin P_creation arriving procedure
0 u, x) y, Q* e& j6 S2 c while 1 = 1 begin2 f2 j3 F# g+ P# g& H
wait for V_interval sec
* e W% Z5 R: w1 h/*V_interval is the interval of creation of loads, fixed or random.*/
( X# C x7 e* l) P/ D create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
& c) `! t1 A, v: ]/ E& X# C/*V_p is the parameter of the distribution.*/
0 G+ W# G4 W- s1 P2 [ end7 r N/ d4 ~ a5 d. \0 C
end- d" ?, [. j: w! J- o. P6 y
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begin P_process arriving procedure% P, L6 W$ o8 O9 T
/*Any process the load will be in.*/4 m v& R3 o" s) y% `
print "1 load created" to message) t5 E j: S" N) J9 V4 K: y
end |