|
| symbol | description |
|
| index for train services in the up direction |
| index for train services in the down direction |
| o | origin |
| d | destination |
| A,B,C | depots |
| J | total number of stations for short-turning |
| P | total number of stations for whole line |
| K | total number of time intervals |
| up | up operation direction |
| dn | down operation direction |
| total number of train services in the up direction |
| total number of train services in the down direction |
| set of train services in the up direction |
| set of train services in the down direction |
| running time for short turning trains in the up direction |
| running time for full-length trains in the up direction |
| running time for short turning trains in the down direction |
| running time for full-length trains in the down direction |
| dwell time for short turning trains in the up direction |
| dwell time for full-length trains in the up direction |
| dwell time for short turning trains in the down direction |
| dwell time for full-length trains in the down direction |
| the number of train services in the time interval for up direction |
| the number of train services in the time interval for down direction |
| predetermined departure time for the first train service at the origin station |
| predetermined departure time for the last train service at the origin station |
| minimal headway |
| maximal headway |
| expected headway of train services in area 2 during the time interval in the up direction |
| expected headway of train services in area 1 during the time interval in the up direction |
| expected headway of train services in area 2 during the time interval in the down direction |
| expected headway of train services in area 1 during the time interval in the down direction |
| minimal turnaround time |
| maximal turnaround time |
| M | a sufficiently large positive number |
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