code: @Override
      public INDArray valueArrayOf(long rows, long columns, double value) {
          INDArray create = createUninitialized(new long[] {rows, columns}, Nd4j.order());
          create.assign(value);
          return create;
      }
docs: Creates a row vector with the specified number of columns
  
  @param rows    the number of rows in the matrix
  @param columns the columns of the ndarray
  @param value   the value to assign
  @return the created ndarray