cdm/src/main/java/ucar/ma2/MAVector.java
public double norm() {

    double sum = 0.0;
    for (int k=0; k<nelems; k++) {
      double val = getDouble(k);
      sum += val * val;
    }

    return Math.sqrt(sum);
  }
public double norm() {

    double sum = 0.0;
    for (int k=0; k<nelems; k++) {
      double val = getDouble(k);
      sum += val * val;
    }

    return Math.sqrt(sum);
  }
Get the L2 norm of this vector.
@return double norm