Exemplo n.º 1
0
 /**
  * Factory method for creating unit Matrix instances with coefficients in a certain SemiRing.
  *
  * @param sr a SemiRing instance. Used to get one and zero.
  * @return a new unit square matrix.
  */
 public static Matrix one(int dim, SemiRing sr) {
   Matrix m = new Matrix(dim);
   for (int i = 0; i < dim; i++)
     for (int j = 0; j < dim; j++) m.matrix[i][j] = (i == j) ? sr.one() : sr.zero();
   return m;
 }
Exemplo n.º 2
0
 /**
  * Factory method for creating Matrix instances with coefficients in a certain SemiRing.
  *
  * @param sr a SemiRing instance. Used to get one and zero.
  * @return a new zero matrix.
  */
 public static Matrix zero(int line, int col, SemiRing sr) {
   Matrix m = new Matrix(line, col);
   for (int i = 0; i < line; i++) for (int j = 0; j < col; j++) m.matrix[i][j] = sr.zero();
   return m;
 }