code: public static double elementMinAbs( DMatrixD1 a ) {
          final int size = a.getNumElements();
  
          double min = Double.MAX_VALUE;
          for( int i = 0; i < size; i++ ) {
              double val = Math.abs(a.get(i));
              if( val < min ) {
                  min = val;
              }
          }
  
          return min;
      }
docs: <p>
  Returns the absolute value of the element in the matrix that has the smallest absolute value.<br>
  <br>
  Min{ |a<sub>ij</sub>| } for all i and j<br>
  </p>
  
  @param a A matrix. Not modified.
  @return The max element value of the matrix.