Please give the complete solution, include reasoning and calculations used to arrive at answer. If you use a particular theorem please identify it. We cannot use any high level command from Maple, Mathematica or MatLab. Thank you kindly and please contact me with any questions. Kind regards.
Doolittle LU decomposition
Find the dool little LU decomposition ofthe matrix
without doing any row interchanges. Use your LU decomposition to calculate the determinant of A and the third columnof A-1.