sets the number of rows . concode_field_sep long serialVersionUID concode_elem_sep int numRows concode_elem_sep int numCols concode_field_sep int getNumRows concode_elem_sep MatrixIterator iterator concode_elem_sep int getNumCols concode_elem_sep void set concode_elem_sep void setNumCols concode_elem_sep void reshape concode_elem_sep void reshape