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Rafaela
Rafaela

Reputation: 449

Basic question in NetLogo (create an equation)

I have a very basic question on NetLogo. However, I don't know how to solve it. I would like to run an equation and have the value of that equation used by all turtles. I made the following code:

to equation  
  ask turtles [
   set 10 ^ ( - 0.1 + 2.0 * log Size 10 ) * 1000 
  ]      
end

Can someone help me?

Thanks

Upvotes: 0

Views: 163

Answers (2)

LittleLynx
LittleLynx

Reputation: 1181

If the turtles all need the same value, the calculation could be done just once in order to improve runtime. Additionally consider saving that value as a global variable.

globals [the-answer]

to equation  
   set the-answer 10 ^ ( - 0.1 + 2.0 * log Size 10 ) * 1000  
end

Upvotes: 0

JenB
JenB

Reputation: 17678

you need to assign the answer to the equation to some variable. For example (not tested):

turtles-own [the-answer]

to equation  
  ask turtles [
   set the-answer 10 ^ ( - 0.1 + 2.0 * log Size 10 ) * 1000 
  ]      
end

The turtles-own statement sets up an attribute for each turtle so that each turtle has its own value of that attribute (and therefore different turtles can have different values because their size varies)

Upvotes: 1

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