Structure and vensim equations for the macro "DELAY FIXED"

Use this forum to post Vensim related questions.
Post Reply
mashayekhi
Member
Posts: 28
Joined: Thu Aug 07, 2003 6:15 pm

Structure and vensim equations for the macro "DELAY FIXED"

Post by mashayekhi » Fri Aug 30, 2019 4:28 am

I need the structure and vensim equations for the macro "DELAY FIXED( {in} , {dtime} , {init} )" I appreciate any help!

Administrator
Super Administrator
Posts: 3422
Joined: Wed Mar 05, 2003 3:10 am

Re: Structure and vensim equations for the macro "DELAY FIXED"

Post by Administrator » Fri Aug 30, 2019 9:20 am

It's not a macro (in Vensim terminology). And I cannot release the source code to you (it would be useless outside of Vensim).

Why do you need it?

Does this help?
http://www.vensim.com/documentation/fn_delay_fixed.htm
Advice to posters seeking help (it really helps us to help you)
http://www.ventanasystems.co.uk/forum/v ... f=2&t=4391

Units are important!
http://www.bbc.co.uk/news/magazine-27509559

tomfid
Administrator
Posts: 2808
Joined: Wed May 24, 2006 4:54 am

Re: Structure and vensim equations for the macro "DELAY FIXED"

Post by tomfid » Fri Aug 30, 2019 10:05 am

It's an infinite order delay, which means that effectively it's an aging chain where the number of stocks is equal to delay_duration/TIME_STEP, and each stock has time constant = TIME_STEP.

Post Reply