||'''Book'''|| Linear Algebra || ||'''Author'''|| Gilbert Strang || ||'''Edition'''|| || /* code_begins */ {{{ a=matrix([[I,I]]) print a N=a.left_kernel() print N b=matrix([[I,I],[0,0]]) print b N=b.left_kernel() print N c=matrix([[I,I,I]]) print c N=c.left_kernel() print N }}} /* code_ends */ * '''Solution by''': *, , *, , *, , *, , *, , *, ,