TWO weeks

[chalbi]

Hello everybody

How to tell the F.U.T application that a course is given once a TWO weeks (not every week)

Thank you very much

[Zsolt Udvari]

Do you have only ONE course?

[chalbi]

Hello

No, actually, I have five different courses that give once for TWO weeks for the first and second level but for level 3 there are only three courses

cordially

[Liviu Lalescu]

From the FAQ:

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Q: Can I work with fortnightly activities like in older FET versions?

A: You have to use some tricks. It would be difficult to consider fortnightly activities into the new FET algorithm (from 5.0.0 up). But I think you can apply this: for instance, I suppose that you would like the first week to have activity A1 (teacher T1, student S1) and A2 (T2, S2), and second week A3 (T1, S2) and A4 (T2, S1) (simultaneously). You could define a weekly activity A (T1, T2, S1, S2). If you need 2 rooms for A, then you can define dummy A' (no teachers, no students) and constraint activities same starting time A and A' and add rooms for A and A' .

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Q: A trick to deal with fortnightly activities (my institution has a lot of fortnightly activities):

A: I divided hours in two, the first half (8.00 to 8.30, 9.00 to 9.30, ...) represents week A, the second half (8.30 to 9.00, 9.30 to 10.00, ...) represents week B, fortnightly activities have duration 1, weekly activities have duration 2.

I created an activity tag 'Start hour'. It should be added to each weekly activity to make sure they start at the same time (same day + same hour) on each week. Otherwise, an activity with duration 2 can start on a second half of hour in the timetable, so this activity is placed on a certain day and at a certain hour on week A, and on the same day but at the next hour on week B.

Add time constraint: activities with all teachers, all students, all subjects, activity tag = 'Start hour' have a set of preferred starting times: Monday 8.00, Monday 9.00, ...

It works fine and I got good timetables with strong teachers time constraints.

[chalbi]

Hello sir

In reality I want to have the first week (Week A) for an activity A1 (T1 teacher, student S1) and the second week (Week B) for A2 (T1, S2): The teacher   T1 works two weeks A and B so that students work one week (A for S1 and B for S2 )

How to do that  please?

thank you very much

[Liviu Lalescu]

Please call me Liviu

You can add a weekly activity A1 (T1, S1+S2), and consider it to be like you need.

[chalbi]

thank you very much sir
I will apply this solution and see the result

cordially

[Volker Dirr]

You can also use workarounds. this workarounds save you a lot of work if the 2 weeks are only different in a few activities. if most activities in both weeks are differen, then the workaround might be bad.

please see the manual:
http://www.timetabling.de/manual/FET-manual.en.html#id_36

[chalbi]

Hello
I am sorry for the inconvenience but I fail to do so
would you help me
thank you very much

[Volker Dirr]

it's difficult to help because i don't know what excatly is your problem.
you failed to read the manual?
you failed to underatd the manual?
you failed to ...
please descripe your problem and/or attach your file here.

[chalbi]

Hi and thank you for your help

My problem :
This week: The teacher T1 gives the course  A1 for students S1
the following week: The same teacher T1 provides the same course A1 for students S2 ..

In other words the teacher T1 meets with students once every 15 days...

thank you so much

[Volker Dirr]

depending on your dataset. if you have got very many activities of that, you should add 10 days as a week.
if you have got only a few of those activities i recommend to use a simple trick: just add both groups with both teachers into the same activity.
please read this:
http://www.timetabling.de/manual/FET-manual.en.html#id_36
I explain there how to care about such a problem.

[fourat]

Liviu: I think that your solution doesn't work with constraint " Min gaps" (for teacher by example) because there will be fictive gaps when the fortnightly activity  start the day at theek A

[Liviu Lalescu]

Do you mean "max gaps", and not start the day, but gaps in between the activities? Yes, there are problems, the user needs to think of how to solve them.