Search found 4 matches

by edyel1
Mon Apr 28, 2025 12:50 pm
Forum: Vensim
Topic: Vensim: How to I add value annually
Replies: 4
Views: 450

Re: Vensim: How to I add value annually

Administrator wrote: Mon Apr 28, 2025 12:40 pm Would PULSE TRAIN do what you need? That can be used to introduce a fixed amount at various intervals.
I have tried using pulse train but the graph are showing a flat line with a value of 0 which doesn't make sense
by edyel1
Mon Apr 28, 2025 12:37 pm
Forum: Vensim
Topic: Vensim: How to I add value annually
Replies: 4
Views: 450

Vensim: How to I add value annually

I am currently working on a recycling project. The simulation will be conducted over a period of 8 years. Every year, I want to input an addition of 1.1 million waste into my system. I tried to input 1.1 million into my system but my graph turns out to be a flat line. Any help is appreciated!
by edyel1
Tue Feb 25, 2025 2:23 pm
Forum: Vensim
Topic: Vensim Error: Expecting an operator
Replies: 3
Views: 3469

Re: Vensim Error: Expecting an operator

tomfid wrote: Tue Feb 25, 2025 2:19 pm INITIAL() can't be used in the Initial Value field (it's not needed, because that only computes at initial time anyway).
thanks you!
by edyel1
Tue Feb 25, 2025 2:17 pm
Forum: Vensim
Topic: Vensim Error: Expecting an operator
Replies: 3
Views: 3469

Vensim Error: Expecting an operator

I'm new to this software and trying to figure out why I'm getting an "expecting an operator" error. Below are images of my model and the simple code I entered. I've already tried changing primary and secondary recycling to primary_recycling and even 'primary recycling' but the issue persis...