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.
@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
Why is det(x)*inv(x) not working?
Sums with Excluded Digits
Right and wrong
What is the distance from point P(x,y) to the line Ax + By + C = 0?
intersection of matrices
Generate pi using logarithm
Don't be Too Greedy!
Generate Golomb's sequence
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