Title Page
1a: Technical Paper (html)
1b: Technical Paper (LaTeX)
1c: Technical Paper (pdf)
2: References
3: Sample Runs
4a: CA Code
4b: GA Code
5: Technical Paper Reading
6: Project Description
7: Oral Report
8a: Daily Logs
8b: Bi-Weekly Goals
8c: Final Iteration Progress Report (#6)
9: Scientific Method
10: Tutorial
11: Next Year
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This is the cellular automata, which defines the interactions between the rules and the test arrays,
as well as the determination and recording of success.
<![CDATA[
import java.util.Random;
/**
* @author Austin Rachlin
* Summer 2002
* Majority Classification Problem
*/
//Uses 7 neighbors
class test
{
int[] array = new int[149];
}
class rule
{
int[] array = new int[128];
int val;
}
public class MCP
{
public static Random rand;
static { rand = new java.util.Random();}
public static void main(String[] args)
{
//Calls CreateArrays
//Calls CreateRules
//Calls RunAllRules
////GA
//Returns some value
System.out.println("Hajimemashoo");
//Modifiable variables
//
int NumberOfTests=100;
int NumberOfRules=100;
int NumberOfFinalTests=1000;
//
test[] TestList = new test[NumberOfTests];
CreateArrays(TestList);
rule[] RuleList = new rule[NumberOfRules];
CreateArrays(RuleList);
// int nbrs = 3;
RunAllRules(RuleList, TestList);
rule Best = SelectBest(RuleList);
System.out.println("");
System.out.println("BEST");
DisplayArrays(Best);
test[] FinalTestList = new test[NumberOfFinalTests];
CreateArrays(FinalTestList);
float result = FinalExam(Best, FinalTestList);
//Calls SelectBest
//Calls FinalExam
System.out.println("Result: " + result + "%");
System.out.println("");
System.out.println("owatta!");
}
public static void DisplayArrays(test List)
{
String str = "";
for (int i = 0; i < List.array.length; i++)
{
str += List.array[i];
}
System.out.println(str);
}
public static void DisplayArrays(rule List)
{
String str = "";
for (int i = 0; i < List.array.length; i++)
{
str += List.array[i];
}
System.out.println("Rule: " + str + " val: " + List.val);
}
public static void PrintArray(test List)
{
String str = "";
for (int i = 0; i < List.array.length; i++)
{
if (List.array[i] == 1)
{
str += "|";
}
else
{
str += " ";
}
}
System.out.println(str);
}
public static void CreateArrays(test[] List) //Takes 2D array of arrays (empty) and # of desired arrays
{
//Creates all of the arrays
//2D array of all the individual arrays
for (int i = 0; i < List.length; i++)
{
List[i] = new test();
for (int j = 0; j < List[i].array.length; j++)
{
if (rand.nextBoolean() == true)
{
List[i].array[j] = 0;
}
else
{
List[i].array[j] = 1;
}
}
}
}
public static void CreateArrays(rule[] List) //Takes 2D array of arrays (empty) and # of desired arrays
{
//Creates all of the arrays
//2D array of all the individual arrays
for (int i = 0; i < List.length; i++)
{
List[i] = new rule();
for (int j = 0; j < List[i].array.length; j++)
{
List[i].val = 0;
if (rand.nextBoolean() == true)
{
List[i].array[j] = 0;
}
else
{
List[i].array[j] = 1;
}
}
}
}
public static void RunAllRules(rule[] RuleList, test[] TestList) //Takes all rules and tests
{
//Runs a loop to call ApplyRuleToAllTests for every rule
boolean prnt = false;
for (int i=0; i < RuleList.length; i++)
{
ApplyRuleToAllTests(RuleList[i], TestList, prnt);
}
}
public static void ApplyRuleToAllTests(rule Rule, test[] TestList, boolean prnt) //Takes a rule and all tests
{
//Runs a loop to call ApplyRuleToSingleTest for all tests
for (int i =0; i < TestList.length; i++)
{
ApplyRuleToSingleTest(Rule, TestList[i], prnt);
}
}
public static void ApplyRuleToSingleTest(rule Rule, test Test, boolean prnt) //Takes a rule and a test
{
//Applies the individual rule to an individual test
//Calls EvalArray
//Calls StoreArray
//Calls RecordSuccess
int runTime = 100;
test T1 = Test;
int maj = FindMajority(Test, prnt);
int runs = 0;
do
{
for (int i=0; i < Test.array.length; i++)
{
T1.array[i] = EvalArray(i, Rule, Test);
}
if (prnt == true)
{
PrintArray(Test);
}
runs ++;
}while ((AllSame(Test) == false) & (runs < runTime));
if (prnt == true)
{
for (int i=0; i < 5; i++)
{
System.out.println("^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^");
}
System.out.println("");
}
Rule.val += RecordSuccess(maj, T1);
}
public static int FindMajority(test Test, boolean prnt)
{
int on = 0;
int off = 0;
for (int i=0; i < Test.array.length; i++)
{
if (Test.array[i] == 0)
{
off++;
}
if (Test.array[i] == 1)
{
on++;
}
}
if (prnt == true)
{
System.out.println("BLACK: " + on);
System.out.println("WHITE: " + off);
}
if (on > off)
{
if (prnt == true)
{
System.out.println("majority: ON");
}
return 1;
}
else
{
if (prnt == true)
{
System.out.println("majority: OFF");
}
return 0;
}
}
/* public static int EvalArray(int pos, rule Rule, test Test) //Takes a single position and a rule
{
//Evaluates the array at a single position according to the rule
int x;
int y;
int z;
if (pos == 0)
{
x = Test.array[Test.array.length-1];
}
else
{
x = Test.array[pos-1];
}
y = Test.array[pos];
if (pos == Test.array.length - 1)
{
z = Test.array[0];
}
else
{
z = Test.array[pos + 1];
}
int val = (((x << 1) | y) << 1) | z;
return Rule.array[val];
}
*/
public static int EvalArray(int pos, rule Rule, test Test) //Takes a single position and a rule
{
//Evaluates the array at a single position according to the rule
int min3;
int min2;
int min1;
int cntr;
int max1;
int max2;
int max3;
if (pos == 0)
{
min3 = Test.array[Test.array.length-3];
min2 = Test.array[Test.array.length-2];
min1 = Test.array[Test.array.length-1];
}
else if (pos == 1)
{
min3 = Test.array[Test.array.length-2];
min2 = Test.array[Test.array.length-1];
min1 = Test.array[pos-1];
}
else if (pos == 2)
{
min3 = Test.array[Test.array.length-1];
min2 = Test.array[pos-2];
min1 = Test.array[pos-1];
}
else
{
min3 = Test.array[pos-3];
min2 = Test.array[pos-2];
min1 = Test.array[pos-1];
}
cntr = Test.array[pos];
if (pos == Test.array.length - 1)
{
max1 = Test.array[0];
max2 = Test.array[1];
max3 = Test.array[2];
}
else if (pos == Test.array.length - 2)
{
max1 = Test.array[pos + 1];
max2 = Test.array[0];
max3 = Test.array[1];
}
else if (pos == Test.array.length - 3)
{
max1 = Test.array[pos + 1];
max2 = Test.array[pos + 2];
max3 = Test.array[0];
}
else
{
max1 = Test.array[pos + 1];
max2 = Test.array[pos + 2];
max3 = Test.array[pos + 3];
}
int val = (((((((((((min3 << 1) | min2) << 1) | min1) << 1) | cntr) << 1) | max1) << 1) | max2) << 1) | max3;
// int val = (((x << 1) | y) << 1) | z;
return Rule.array[val];
}
/* public static void StoreArray() //Takes a single position value and location (x and y)
{
//Stores the resultant position of the array in the 2D array
}
*/
public static int RecordSuccess(int maj, test T1) //Takes a rule and modified array
{
//Modifies the value of the rule depending upon the outcome
if (AllSame(T1) == true)
{
if (maj == T1.array[0])
{
return 1;
}
}
return 0;
}
public static boolean AllSame(test T1)
{
int check = T1.array[0];
boolean result = true;
for (int i = 0; i < T1.array.length; i++)
{
if (check != T1.array[i])
{
result = false;
}
}
return result;
}
public static int ReturnSuccess(rule Rule) //Takes a rule
{
//Returns the success of a single rule
return Rule.val;
}
public static rule SelectBest(rule[] RuleList)
{
//Chooses the best rule
rule Best = new rule();
Best.val = -1;
for (int i = 0; i < RuleList.length; i++)
{
if (RuleList[i].val > Best.val)
{
Best.array = RuleList[i].array;
Best.val = RuleList[i].val;
}
}
return Best;
}
public static float FinalExam(rule Best, test[] FinalTestList)
{
System.out.println("_________________________");
//Calls CreatArrays with enormous number
//Applies best rule to giant 2D array of landscapes
//Returns success rate
System.out.println("FINAL TEST");
// DisplayArrays(Best);
Best.val = 0;
boolean prnt = false;
ApplyRuleToAllTests(Best, FinalTestList, prnt);
System.out.println(Best.val + " / " + FinalTestList.length);
float val = Best.val;
float success = (100 * val / FinalTestList.length);
return success;
}
}
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