Problem 45221. cofactor matrix

Solution 2927077

Submitted on 9 Sep 2020

This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test	Status	Code Input and Output
1	Fail	x=[1,2,3;0,4,5;1,0,6]; y_correct = [24 5 -4 -12 3 2 -2 -5 4] assert(isequal(cofactor_mat(x),y_correct)) y_correct = 24 5 -4 -12 3 2 -2 -5 4 Assertion failed.
2	Fail	x=[1,7;2,0] y_correct=[0 -2 -7 1] assert(isequal(cofactor_mat(x),y_correct)) x = 1 7 2 0 y_correct = 0 -2 -7 1 Assertion failed.
3	Pass	x=zeros(5) y_correct=zeros(5) assert(isequal(cofactor_mat(x),y_correct)) x = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y_correct = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Test

Status

Code Input and Output

Fail

x=[1,2,3;0,4,5;1,0,6]; y_correct = [24 5 -4 -12 3 2 -2 -5 4] assert(isequal(cofactor_mat(x),y_correct))

y_correct = 24 5 -4 -12 3 2 -2 -5 4

Assertion failed.

Fail

x=[1,7;2,0] y_correct=[0 -2 -7 1] assert(isequal(cofactor_mat(x),y_correct))

x = 1 7 2 0 y_correct = 0 -2 -7 1

Assertion failed.

Pass

x=zeros(5) y_correct=zeros(5) assert(isequal(cofactor_mat(x),y_correct))

x = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 y_correct = 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!