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242 lines (221 loc) · 4.71 KB
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import java.util.Random;
import java.util.Scanner;
public class Calculation{
private static int[] midVal= new int[1024];
private static double Total=0;
private static double defRoVal=-1;
//private static int[][] backUp= new int[1024][10];
private static int[] shuffle= new int[51];
private static int[][] connection= new int[1024][10];
public static void main(String[] args){
//System.out.println("Enter the number number of nodes and links");
System.out.println("Prob"+"\t"+"Reli");
reliability(0,0);
//test
/**
* System.out.println();
System.out.println("Test");
for(int i=0;i<1024;i++){
System.out.println(midVal[i]);
}
*/
/**
* Second part
*/
//backUp = connection;
System.out.println();
System.out.println("K"+"\t"+"Reli");
Random rn = new Random();
defaultShuffleSet();
for(int k = 0 ;k<=50;k++){
// showing dependency on k, in the range k = 0, 1, 2, 3, . . . , 50
for(int i=0;i<=k;i++){
shuffle[i]= rn.nextInt(1024);
}
build2ndconnection();
reliability(1,k);
//connection = backUp;
//for(int i=0;i<=k;i++)
//shuffle[i] = -1;
}
}
private static void build2ndconnection(){
int i,j = 0;
for(i=0;i<51;i++){
if(shuffle[i] != -1){
for(j=0;j<10;j++){
if(connection[shuffle[i]][j] == 0)
connection[shuffle[i]][j] = 1;
else
connection[shuffle[i]][j] = 0;
}
}
}
}
public static void defaultShuffleSet(){
for(int index=0;index<51;index++){
shuffle[index] =-1;
}
}
public static int[][] SetLinks(int[][] connection){
int inter=0;
for(int a=0;a<=1;a++){
for(int b=0;b<=1;b++){
for(int c=0;c<=1;c++){
for(int d=0;d<=1;d++){
for(int e=0;e<=1;e++){
for(int f=0;f<=1;f++){
for(int g=0;g<=1;g++){
for(int h=0;h<=1;h++){
for(int i=0;i<=1;i++){
for(int j=0;j<=1;j++){
connection[inter][0]=a;
connection[inter][1]=b;
connection[inter][2]=c;
connection[inter][3]=d;
connection[inter][4]=e;
connection[inter][5]=f;
connection[inter][6]=g;
connection[inter][7]=h;
connection[inter][8]=i;
connection[inter][9]=j;
inter++;
}
}
}
}
}
}
}
}
}
}
return connection;
}
private static double reliability(int mode,int a){
float am = (float) 1.0;
float wr = (float) 0.0;
Total=0;
if(mode == 0){
connection=SetLinks(connection);
midVal=CalculateUpandDown(connection);
}
else{
wr=(float) 0.9;
am = (float) 0.9;
midVal=CalculateUpandDown(connection);
}
for(float i=wr;i<=am;i=(float) (i+0.025)){
int pos=0;
int neg=0;
for(int j=0;j<1024;j++){
if(midVal[j]!=0){
for(int k=0;k<10;k++){
if(connection[midVal[j]][k]==1){
pos++;
if(defRoVal==-1){
defRoVal=i;
}
else{
defRoVal=defRoVal*i;
}
}
else{
neg++;
if(defRoVal==-1){
defRoVal=(1-i);
}
else{
defRoVal=defRoVal*(1-i);
}
}
}
Total+=defRoVal;
defRoVal=-1;
}
}
if(mode==0){
System.out.println(i+"\t"+Total);
}
else{
System.out.println(a+"\t"+Total);
}
Total =0;
}
System.out.print(" ");
return Total;
}
public static int[] CalculateUpandDown(int[][] connection){
int [] midVal= new int[1024];
int counter=0;
for(int i=0;i<1024;i++){
midVal[i]=0;
}
for(int i=0;i<1024;i++){
int [] checkmatrix= new int[5];
for(int k=0;k<5;k++){
checkmatrix[k]=-1;
}
if(connection[i][0]==1){
checkmatrix[0]=0;
checkmatrix[1]=1;
}
if(connection[i][1]==1)
{
checkmatrix[0]=0;
checkmatrix[2]=2;
}
if(connection[i][2]==1)
{
checkmatrix[0]=0;
checkmatrix[3]=3;
}
if(connection[i][3]==1)
{
checkmatrix[0]=0;
checkmatrix[4]=4;
}
if(connection[i][4]==1)
{
checkmatrix[1]=1;
checkmatrix[2]=2;
}
if(connection[i][5]==1)
{
checkmatrix[1]=1;
checkmatrix[3]=3;
}
if(connection[i][6]==1)
{
checkmatrix[1]=1;
checkmatrix[4]=4;
}
if(connection[i][7]==1)
{
checkmatrix[2]=2;
checkmatrix[3]=3;
}
if(connection[i][8]==1)
{
checkmatrix[2]=2;
checkmatrix[4]=4;
}
if(connection[i][9]==1)
{
checkmatrix[3]=3;
checkmatrix[4]=4;
}
int count=0;
for(int j=0;j<5;j++)
{
count+=checkmatrix[j];
}
if(count==10)
{
midVal[counter]=i;
counter++;
}
}
return midVal;
}
}