docs: public static double elementMaxAbs( DMatrixD1 a ) {
          final int size = a.getNumElements();
  
          double max = 0;
          for( int i = 0; i < size; i++ ) {
              double val = Math.abs(a.get(i));
              if( val > max ) {
                  max = val;
              }
          }
  
          return max;
      }