Class: Cellula::Study

Inherits:
Object
  • Object
show all
Defined in:
lib/cellula/study.rb

Overview

Public: This class provides all it’s needed to set up a study. Study’s goal is to study cellular automaton.

You rarely wants to initialize an Study object directly. This is because Study’s creation needs a lots of parameters. It is much more simpler to create a Study object using StudyBuilder.

Study’s methods

There is currently two kind of study’s methods: random initial state (:random) and single 1 histories (:single). The following is quoted from Wikipedia:

**Single 1 histories**

One method used to study these automata is to follow its history with an initial state of all 0s except for a single cell with a 1. When the rule number is even (so that an input of 000 does not compute to a 1) it makes sense to interpret state at each time, t, as an integer expressed in binary, producing a sequence a(t) of integers.

**Random initial state**

A second way to investigate the behavior of these automata is to examine its history starting with a random state. Each computed result is placed under that results’ source creating a two-dimensional representation of the system’s evolution.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(ca_name, method, generations) ⇒ Study

Public: Initialize a new Study.

ca_name - String name of the automaton to study. method - Symbol how to study the automaton.

Default is :random.
Could be one of:
* :random
* :single
* :summed
* :averaged
Currently limited to :random and :single.

generations - Integer number of generations to study.

Default is 10.



46
47
48
49
50
51
52
 
# File 'lib/cellula/study.rb', line 46

def initialize(ca_name, method, generations)
  @ca_name = ca_name
  @method = method
  @generations = generations
  panic "Bad number of generations: #{generations}" if generations < 1
  panic "Bad studying method: #{method}" if bad_studying_method
end

Instance Attribute Details

#ca_name ⇒ Object (readonly)

Public: Get the String ca_name of the automaton to study.



55
56
57
 
# File 'lib/cellula/study.rb', line 55

def ca_name
  @ca_name
end

#generations ⇒ Object

Public: Set/get the Integer number of generations to study.



61
62
63
 
# File 'lib/cellula/study.rb', line 61

def generations
  @generations
end

#method ⇒ Object

Public: Set/get the Symbol studying method.



58
59
60
 
# File 'lib/cellula/study.rb', line 58

def method
  @method
end

Instance Method Details

#say_hello ⇒ Object 



63
64
65
66
 
# File 'lib/cellula/study.rb', line 63

def say_hello
  "Studying #{@ca_name} with #{@method} method " +
  "over #{@generations} generations."
end