Examples of org.apache.mahout.matrix.Vector.times()

org.apache.mahout.matrix.Vector.times()
Return a new matrix containing the product of each value of the recipient and the argument @param x a double argument @return a new Vector

      s1 = point.clone();
    } else {
      s1 = s1.plus(wtPt);
    }
    if (s2 == null) {
      s2 = wtPt.times(wtPt);
    } else {
      s2 = s2.plus(wtPt.times(wtPt));
    }
  }

View Full Code Here

      s1 = s1.plus(wtPt);
    }
    if (s2 == null) {
      s2 = wtPt.times(wtPt);
    } else {
      s2 = s2.plus(wtPt.times(wtPt));
    }
  }


  /** Compute a "standard deviation" value to use as the "radius" of the cluster for display purposes */
  public double std() {

View Full Code Here


  /** Compute a "standard deviation" value to use as the "radius" of the cluster for display purposes */
  public double std() {
    if (s0 > 0) {
      Vector radical = s2.times(s0).minus(s1.times(s1));
      radical = radical.times(radical).assign(new SquareRootFunction());
      Vector stds = radical.assign(new SquareRootFunction()).divide(s0);
      return stds.zSum() / stds.size();
    } else {
      return 0;
    }

View Full Code Here

TOP

All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.