Search found 6 matches
- Tue Feb 01, 2005 5:05 pm
- Forum: Vensim
- Topic: add up values in last year
- Replies: 7
- Views: 7970
last question
all right, this is the last time i bother you with my cumulation thing: i checked out the model you sent me, but the cumulation does not include the last value (value in year 2019). the addition starts at time step 2 with value of time step 1. and is it possible to proceed with a level that is just ...
- Tue Feb 01, 2005 4:34 pm
- Forum: Vensim
- Topic: add up values in last year
- Replies: 7
- Views: 7970
THANK YOU once again
Thank you again for your support! it is indeed very hard to start SD as an autodidact, especially if there is nobody around knowing how to do it professionally. Nevertheless i see big potetial for SD in my profession so i try to learn. i already found out that passions is essential. i usualy try to ...
- Tue Feb 01, 2005 12:40 pm
- Forum: Vensim
- Topic: add up values in last year
- Replies: 7
- Views: 7970
example?
Thank you J.J. for your reply!!Unfortunately this is my very first SD-model and so it looks as if I need some special explanation. If i am honest, I did not get it! So if you have the time and mood to show me an example, I would be very thankfull. I will try to attach my model so you can see what i ...
- Mon Jan 31, 2005 6:38 pm
- Forum: Vensim
- Topic: add up values in last year
- Replies: 7
- Views: 7970
add up values in last year
Again stuck at one problen: one variable has different values each time step (year). is it possible to add up these values in the end of the last time step (year)? Example: Value year 1: 13 Value year 2: 20 Value year 3: 10 Value year 4: Summ=43 Thank you for your help!! [Edited on 2-1-2005 by tino]
- Mon Jan 31, 2005 1:26 pm
- Forum: Vensim
- Topic: Help for equation
- Replies: 2
- Views: 3523
- Mon Jan 31, 2005 8:50 am
- Forum: Vensim
- Topic: Help for equation
- Replies: 2
- Views: 3523
Help for equation
Hallo, I am a student preparing a dissertation and i want to use vensim for my research on social systems. I am collecting first experience on the PLE version right now and I am stuck at one simple problem: I am trying to built a variable that starts at a certain level (let`s say 100), rises to a ce...