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2 Building Simple Models with SimEvents Software

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%==============================================================================%

Initializing Model dd1

sedebug>>

The sedebug>> notation is the debugger prompt, where you enter commands.

Run the Simulation

The simulation has initialized but does not proceed. In debugging mode, you indicate

to the debugger when to proceed through the simulation and how far to proceed before

returning control to you. The purpose of this example is to find out whether an entity is

in the server when the simulation ends. To continue the simulation until it ends, enter

this command at the sedebug>> prompt:

cont

The Command Window displays a long series of messages that indicate what is

happening during the simulation. The end of the output indicates that the debugger has

suspended the simulation just before the end:

Hit built-in breakpoint for the end of simulation.

Use 'cont' to end the simulation or any other function to inspect final states of the

system.

%==============================================================================%

Terminating Model dd1

To understand the long series of messages, see “Simulation Log in the Debugger”.

Query the Server Block

The debugger has suspended the simulation just before the end and the sedebug>>

prompt indicates that you can still enter debugging commands. In this way, you have an

opportunity to inspect the final states of blocks or other aspects of the simulation. To get

information about the Single Server block, enter this command:

blkinfo('dd1/Single Server')

The output shows the state of the Single Server block at the current time, T=10. The last

two rows of the output represent a table that lists entities in the block. The table has one

row because the server is currently storing one entity. The entity has a unique identifier,

en11, and is currently in service. This output affirmatively answers the question of

whether an entity is in the server when the simulation ends.

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MATLAB SIMEVENTS RELEASE NOTES Guia do Utilizador Página 40