function?result?=?check_3_by_3（matrixijnum）
????result?=?true;
????
????block_row?=?floor（（i-1）/3）+1;
????block_col?=?floor（（j-1）/3）+1;
????
????block_row_to?=?block_row?*?3;
????block_row_from?=?block_row_to?-?2;
????block_col_to?=?block_col?*?3;
????block_col_from?=?block_col_to?-?2;
????
????for?row?=?block_row_from?:?block_row_to
????????for?col?=?block_col_from?:?block_col_to
????????????if?matrix（rowcol）?==?num
????????????result?=?false;
????????????break;
????????end
????end
end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????517??2020-07-03?15:42??數獨小游戲\check_3_by_3.m

?????文件????????311??2020-07-03?15:48??數獨小游戲\check_cell.m

?????文件????????195??2020-07-03?15:21??數獨小游戲\check_col.m

?????文件????????197??2020-07-03?15:49??數獨小游戲\check_row.m

?????文件???????4888??2020-07-03?19:56??數獨小游戲\data.txt

?????文件??????16456??2020-07-05?10:55??數獨小游戲\ShuduLJY.fig

?????文件??????11318??2020-07-05?10:55??數獨小游戲\ShuduLJY.m

?????文件????????548??2020-07-04?13:24??數獨小游戲\solve.m

?????目錄??????????0??2020-07-04?13:53??數獨小游戲

-----------?---------??----------?-----??----

????????????????34430????????????????????9