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?2 Q, Y y. r- Y4 F2 e! c4 `
下面的代码不知道能否满足你的要求。
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begin model initialization function
: | i0 X/ X. k create 1 load of L_null to P_creation
! f- S" c% f' J! [4 `4 X: T6 T q: B/*L_null is a load type of which the load create loads for the model.*/
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return true
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begin P_creation arriving procedure
) `% x# o' {" _, X while 1 = 1 begin
+ R7 }; G3 O5 x( B- O; } wait for V_interval sec. Q, Q- J) l% v- p- H- B5 c
/*V_interval is the interval of creation of loads, fixed or random.*/; y! ?/ z# x( r. R! o
create 1 load of L_load to oneof(V_p : P_process, 1 - V_p : die)
5 f8 Z, h/ o4 y6 Y. a) E. d/ C, {/*V_p is the parameter of the distribution.*/$ f/ A5 V6 Z9 M( y0 R, N
end# U, x$ Q. f: @" C1 S, j- i
end6 R+ T! ^* u( K9 O8 f& E. C
* n8 ]: X/ z! `1 G1 ~begin P_process arriving procedure
6 n5 Y; W+ {6 w* U$ S1 v& F4 X/*Any process the load will be in.*/
' J3 V& q1 v/ g- ~! ~ print "1 load created" to message. m2 y- C, F) d! J; G4 H
end |