NetLogo
NetLogo 4.1.3
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Modeling environment for simulating natural and social phenomena.   Free
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NetLogo is a programmable modeling environment for simulating natural and social phenomena. It is particularly well suited for modeling complex systems developing over time. Modelers can give instructions to hundreds or thousands of independent "agents" all operating concurrently. This makes it possible to explore the connection between the micro-level behavior of individuals and the macro-level patterns that emerge from the interaction of many individuals.

NetLogo lets students open simulations and "play" with them, exploring their behavior under various conditions. It is
What's New
Version 4.1.3:
  • improvements:
    • the GIS extension now works in applets
    • new Code Example: Label Position Example
  • fixes:
    • fixed bug in diffuse primitive causing it to fail in vertical cylinder worlds
    • fixed bugs where aborting a BehaviorSpace experiment could cause an error or memory leak
    • fixed bug where a turtle forever button could fail if multiple buttons were pressed quickly
    • fixed bug in scale-color primitive where rounding could cause an out-of-range color to be reported
    • fixed matrix extension bug where matrix creation primitives didn't sanity check their inputs
    • fixed GoGo extension bug where failed initialization of GoGo led to subsequent errors
    • fixed intermittent plotting bug
    • for Windows users, bundle Java 6 Update 24
  • API changes:
    • controlling API now allows a new model to be opened in an existing InterfaceComponent
    • controlling API now supports attaching listeners to receive notifications of user actions
Version 4.1.3:
  • improvements:
    • the GIS extension now works in applets
    • new Code Example: Label Position Example
  • fixes:
    • fixed bug in diffuse primitive causing it to fail in vertical cylinder worlds
    • fixed bugs where aborting a BehaviorSpace experiment could more...
Requirements
Intel/PPC, Mac OS X 10.4 or later



MacUpdate - NetLogo



NetLogo User Discussion (Write a Review)
ver. 4.x:
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burypromote

+3

eyecapture reviewed on 11 Sep 2009
This is fantastic!

The included sample simulations offer unique insights into many questions such as: Do bird flocks have a leader? How much would you stand to save by upgrading the insulation of your home? How do traffic jams develop and resolve?

Watch as hundreds or even thousands of simulated animals, molecules, cells or guests at a party interact. Turn a knob or push a slider and the patterns change as each individual element in the simulation alters its behavior.

There is probably no better illustration of the ways complex behavior can arise out of nothing but large numbers of independent actors each doing its own thing by following simple rules. Incredibly mind-expanding stuff!
[Version 4.1rc4]


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Downloads:8,138
Version Downloads:2,688
License:Free
Date:07 May 2011
Platform:PPC 64 / PPC 32 / Intel 64 / Intel 32 / OS X
Price:Free0.00
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NetLogo is a programmable modeling environment for simulating natural and social phenomena. It is particularly well suited for modeling complex systems developing over time. Modelers can give instructions to hundreds or thousands of independent "agents" all operating concurrently. This makes it possible to explore the connection between the micro-level behavior of individuals and the macro-level patterns that emerge from the interaction of many individuals.

NetLogo lets students open simulations and "play" with them, exploring their behavior under various conditions. It is also an authoring environment which enables students, teachers and curriculum developers to create their own models. NetLogo is simple enough that students and teachers can easily run simulations or even build their own. And, it is advanced enough to serve as a powerful tool for researchers in many fields.

NetLogo has extensive documentation and tutorials. It also comes with a Models Library, which is a large collection of pre-written simulations that can be used and modified. These simulations address many content areas in the natural and social sciences, including biology and medicine, physics and chemistry, mathematics and computer science, and economics and social psychology. Several model-based inquiry curricula using NetLogo are currently under development.


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