Resistivity and Resistance

pcolor

a built-in patch variable that stores the color of the patch

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patches

a reporter that reports the set of agents that are patches

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breed

a keyword that takes a plural name and a singular name as input and defines a class of turtles with that name

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globals

a keyword that takes one or more variable names as input and defines a new global (cross-program) variable with each name

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with

a reporter that takes a set of agents and a Boolean expression as input and reports a new set of agents containing only the agents from the original set that […]

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turtles-own, <breeds>-own

a keyword that defines the variables belonging to each turtle or breed of turtles

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to … end

keywords that begin and end procedures

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tick

a command that advances the tick counter by one and updates all the plots

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pcolor

patches

breed

globals

with

turtles-own, <breeds>-own

to … end

tick

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