Which of the following is not a condition for a given real nonsingular quadratic form, Q = XTAX, to be a negative definite quadratic form?

The number of positive square terms in the quadratic form is equal to zero

The rank of the matrix A is equal to the number of variables in the quadratic form (index)

All the eigen values of A are negative

Which of the following is not a condition for a given real nonsingular

1.	Which of the following is not a condition for a given real nonsingular quadratic form, Q = XTAX, to be a negative definite quadratic form?
A.	The number of positive square terms in the quadratic form is equal to zero
B.	The rank of the matrix A is equal to the number of variables in the quadratic form (index)
C.	All the eigen values of A are negative
D.	The rank and index are equal
Answer» E.