Book
Advanced Engineering Mathematics
Author
Erwin Kreyszig
Edition
8th Edition
a=matrix([[1,2,3],[0,4,0],[0,0,5]]) cofr=a.adjoint() print cofr cofr=cofr.transpose() adet=a.det() c=identity_matrix(3)*adet x=cofr.transpose() print "Cofactor matrix" print x d=x*a if c==d: print "acT=(det a)I" else: print "acT!=(det a)I" invA=a.inverse() print "Inverse matrix" print invA
Solution by:
<K.Kavitha>, <Student>, <SNIST>
<B.Lavanya>, <Student>, <SNIST>