docs: public static boolean isEquals(BMatrixRMaj a, BMatrixRMaj b ) {
          if( a.numRows != b.numRows || a.numCols != b.numCols ) {
              return false;
          }
  
          final int length = a.getNumElements();
          for( int i = 0; i < length; i++ ) {
              if( !(a.get(i) == b.get(i)) ) {
                  return false;
              }
          }
  
          return true;
      }