||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ a=matrix([[0,2,-3],[2,0,5],[-3,5,0]]) print a b=a.rank() print b }}} /* code_ends */ * '''Solution by''': *, , *, , *, , *, , *, , *, ,