||'''Book'''|| Linear Algebra || ||'''Author'''|| Gilbert Strang || ||'''Edition'''|| || /* code_begins */ {{{ a1=matrix([[0,0,0,1],[0,0,2,0],[0,3,0,0],[4,0,0,0]]) print a1 a1.inverse() a2=matrix([[1,0,0,0],[-1/2,1,0,0],[0,-2/3,1,0],[0,0,-3/4,1]]) print a2 a2.inverse() var('a,b,c,d') A3=matrix([[a,b,0,0],[c,d,0,0],[0,0,a,c],[0,0,b,d]]) print A3 A3.inverse() }}} /* code_ends */ * '''Solution by''': Tejaswi,Jyothi :prakasam engg college