Example #1
0
        public static float[] GetPageRank(float[,] matrix, float percentJumping)
        {
            int level = matrix.GetLength(0);

            //percentJumping = 1 - percentJumping;

            GetBinaryMatrix(ref matrix, level);
            GetStochasticMatrix(ref matrix, level, percentJumping);

            //float[] vector = CreateVector(level);
            float[] vector = MyCreateVector(level);

            float[] pagerank = null;             // new float[level];

            int count = 0;

            do
            {
                pagerank = VecTools.MultiplyVectorByMatrix(matrix, vector);
                //pagerank = VecTools.Normalize(pagerank);

                if (VecTools.Equals(pagerank, vector, 0.001f))
                {
                    break;
                }
                else
                {
                    for (int i = 0; i < level; i++)
                    {
                        vector[i] = pagerank[i];
                    }
                }
                count++;
            } while (count < 1000);


            //pagerank = VecTools.Normalize(pagerank);

            for (int i = 0; i < pagerank.Length; i++)
            {
                pagerank[i] = (float)Math.Round(pagerank[i], 3);
            }

            return(pagerank);
        }
Example #2
0
 public override string ToString()
 {
     return(VecTools.Stringify(this.elements));
 }