NETLOGO:使用上一个刻度的变量 [英] NETLOGO: Using variable from previous tick

问题描述

是否存在一些使用上一个刻度的变量值的原语?我试图为一个代理商计算价格"变量，但我的意思是使用包含其他代理商的价格"变量的公式，但该公式是从上次报价开始的.

is there some primitive for using value of variable from previous tick? I tried to compute variable of "price" for one agent and I mean to use formula which includes other agents' "price" variable but from previous tick.

推荐答案

否，NetLogo中没有内置方法可以做到这一点.最好的选择可能是创建一个名为varname-last-tick的变量，然后将其更新为您在这些代理程序的go过程中所做的最后一步.听起来您想为代理商使用的变量是价格"，所以类似，

No, there is no built-in way to do this in NetLogo. Your best bet would probably be to create a variable called something along the lines of varname-last-tick and then updating that as the last thing you do in the go procedure of these agents. It sounds like the variable you want to use for your agents is 'price', so it would be something like,

to agent-go
  do-stuff
  set price-last-tick price
end

然后您可以在代码中使用[price-last-tick] of other agents而不是当前价格.

then you can use [price-last-tick] of other agents in your code rather than the current price.

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