code: public static BMatrixRMaj elementLessThan(DMatrixRMaj A , double value , BMatrixRMaj output )
      {
          if( output == null ) {
              output = new BMatrixRMaj(A.numRows,A.numCols);
          }
  
          output.reshape(A.numRows, A.numCols);
  
          int N = A.getNumElements();
  
          for (int i = 0; i < N; i++) {
              output.data[i] = A.data[i] < value;
          }
  
          return output;
      }
docs: Applies the &gt; operator to each element in A.  Results are stored in a boolean matrix.
  
  @param A Input matrx
  @param value value each element is compared against
  @param output (Optional) Storage for results.  Can be null. Is reshaped.
  @return Boolean matrix with results