Problem 45221. cofactor matrix

Created by Asif Newaz

Solve Later

given a matrix, find its cofactor matrix https://en.wikipedia.org/wiki/Minor_(linear_algebra)#Inverse_of_a_matrix

Solve

Solution Stats

15 Solutions
7 Solvers

Last Solution submitted on Apr 05, 2020

Last 200 Solutions

Problem Comments

2 Comments

2 Comments

William on 5 Dec 2019

Why is there a value 4.000000000000001 in the cofactor matrix of problem 4? The matrix is composed entirely of integers, so the cofactors should all be integers as well.

Asif Newaz on 11 Dec 2019

@william .. sorry man-- i overlooked .. i've corrected it now.
sth related to the determinant function- matlab provided that answer. i didn't see that

Problem Recent Solvers7

Problem Tags

cofactor matrix

Problem 45221. cofactor matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers7

Suggested Problems

More from this Author127

Problem Tags

Problem 45221. cofactor matrix

Solution Stats

Last 200 Solutions

Problem Comments

Problem Recent Solvers7

Suggested Problems

More from this Author127

Problem Tags

Players