Sznajd Model

1 collaborator

Cicero Juliao (Author)

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Click to Run Model

; Sznajd Model
; version 1.0
; 21/10/14
;
; First attempt in NetLogo, by Cicero Juliao

patches-own
[
  szpin  ; state A = +1,  state B = -1
]


globals
[
  magnetization  ; global magnetization of the lattice
  pa timestep sizeLattice
  
]

to setup
  ca
  ask patches
  [ifelse random-float 1.00 <= 0.50 [ set szpin 1] [set szpin -1]  ; random initial configuration
  ]
  
  ask patches
  [
  ifelse szpin = 1 [set magnetization magnetization + 1]  [set magnetization magnetization - 1]
  
  ifelse szpin = 1 [set pcolor blue] [set pcolor red]
  ]
  
  set sizeLattice max-pxcor + max-pxcor + 1
end 

to go
  sznajdModel     ; it implement the model
  calculateMagn   ; it calculates global magnetization
  doGraphics      ; it plot the graphs
  set timestep timestep + 1
end 

to calculateMagn
  set magnetization 0
  ask patches
  [ifelse szpin = 1 [ set magnetization magnetization + 1]
    [set magnetization magnetization - 1]
  ]
  set magnetization magnetization / sizeLattice
end 

to doGraphics
  set-current-plot "Magnetization"
  plotxy timestep magnetization
end 

to sznajdModel
  set pa random-pxcor          ; coordinate x
  ask patch (pa + 2) 0 [set szpin ([szpin] of (patch pa 0))]
  ask patch (pa - 1) 0 [set szpin ([szpin] of (patch (pa + 1) 0))]

  ask patches
  [
    ifelse szpin = 1 [set pcolor blue] [set pcolor red]
  ]
end

There is only one version of this model, created almost 11 years ago by Cicero Juliao.

Attached files

File	Type	Description	Last updated
Sznajd Model.png	preview	Preview for 'Sznajd Model'	almost 11 years ago, by Cicero Juliao	Download

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