creating first timetable with FET

Started by veki, August 22, 2008, 07:34:58 PM

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veki

I have situation that school is very small.  It does have 20 students and just a couple of rooms.
I want to create a timetable in which subjest will be scheduled in rooms according to very few constraints.  please advise how should I assign students to teh classes since in many clases there are only one or 2 students.

Thanks,

veki

Liviu Lalescu

I saw that you defined the subjects like: "English1", "English2"... This is not needed, you can define only one subject, "English".

You need to add activities. Each activity can have a teacher, more or none, and a students set, more or none.

I am not sure I understand exactly your problem. Why cannot you add activities and let FET find a schedule, even if in one class there is 1-2 students?

veki

Hello,

These English 1 , 2 etc . got nukber according to grades.  IS your suggestion that regardless of grades I can have one English but assign activities for each grade?

Thanks,
veki

Liviu Lalescu


veki

Hello,

I added more data in a specified way to my input table.
I need clarification how can I define that students from two grades attend two different subjects in teh same room at the same time.
I.e Mtah fro grade 12 and math for grade 13 are taught in teh same room for teh students that are in teh same room.
I hope it is clear.

Please advise,

veki

Liviu Lalescu

#5
You cannot use a single room for two activities in FET. That is why you need to add a dummy room for the second activity. This room will be considered by you the same room as the room chosen for the first activity.

To constrain 2 activities to be at the same time, please use constraint activities same starting times.

I saw your file, it is not good:

1) You didn't respect FET indications for adding activities with split larger than 5. Why didn't you?

2) You added too many activities for year 6. Why didn't you split year 6?

veki

QuoteYou cannot use a single room for two activities in FET. That is why you need to add a dummy room for the second activity. This room will be considered by you the same room as the room chosen for the first activity.

Do I need to create as much as dummy rooms as it is number of cases where two subjects are taught in the same room.

To constrain 2 activities to be at the same time, please use constraint activities same starting times.


I saw your file, it is not good:

1) You didn't respect FET indications for adding activities with split larger than 5. Why didn't you?

hmm,  please explain with more detail.


2) You added too many activities for year 6. Why didn't you split year 6?

Since year 6 and year 5 have only one student I want to put them that they are always attending all classess together.  Thus, their activites begin and end at the same time.  Do I have to create categories etc. just for one student for year 5 and 6?

Thanks,

veki

Liviu Lalescu

Quote
Do I need to create as much as dummy rooms as it is number of cases where two subjects are taught in the same room.

You can create as many dummy rooms as you want. But it is simpler to only create the necessary number (so that there is enough space for activities). If you have for instance activities A1, A2, A3, A4, A5 and A6, and A1 & A2 need to be in the same room R, and A3 & A4 need to be in the same room R, and A5 & A6 need to be in the same room R, then add real room R and dummy room R2.

Quote
1) You didn't respect FET indications for adding activities with split larger than 5. Why didn't you?

hmm,  please explain with more detail.

If you want to add an activity split into 7 when you have 5 days per week, it is not good to add it directly like that. There are 2 possibilities: if you want activities in the same day consecutive, add a split activity into 5, with components 1 and 2 having duration 2. If you don't need them consecutive, add one act. split into 5 and another act. split into 2, with all having duration 1. Automatically add the constraints min n days between activities with min days 1.

You didn't add constraint min n days for your activity split into 7, just to avoid this situation. This is not good.

Quote
2) You added too many activities for year 6. Why didn't you split year 6?

Since year 6 and year 5 have only one student I want to put them that they are always attending all classess together.  Thus, their activites begin and end at the same time.  Do I have to create categories etc. just for one student for year 5 and 6?

No, you are right, no need to split. But students set 6 has 193 hours per week, how is that possible?

veki

#8
As far as i See student set 6 is mistake.  I forgot to delete it.  There is student set "six" which will be used in reality.
As far as I see successful work with program must be based on teh following:
1. learn logic of the program
2. create elegant and streamlined structure of data according to logic of the program (i.e. FET)
3. enter data nad generate timetable
4. experiment with generated timetable

I will try again and let you know.
Thanks a lot on your support.

veki