docs: public static double elementMin( DMatrixD1 a ) {
          final int size = a.getNumElements();
  
          double min = a.get(0);
          for( int i = 1; i < size; i++ ) {
              double val = a.get(i);
              if( val < min ) {
                  min = val;
              }
          }
  
          return min;
      }