## Recent **Performance Management** Questions & Answers

###### If A is a positive definite matrix, then the largest entry of A must be on the diagonal....

##### If A is a positive definite matrix, then the largest entry of A must be on the diagonal....

###### If both singular values of a 2...

##### If both singular values of a 2...

###### If A is a symmetric 2...

##### If A is a symmetric 2...

###### Similar matrices must have the same singular values....

##### Similar matrices must have the same singular values....

###### If T is an nth-order linear differential operator and ? is an arbitrary scalar, is ? necessarily an eigenvalue of T ? If so, what is the dimension of ...

##### If T is an nth-order linear differential operator and ? is an arbitrary scalar, is ? necessarily an eigenvalue of T ? If so, what is the dimension of the eigenspace associated with ??...

###### The eigenvalues of a symmetric matrix A must be equal to the singular values of A....

##### The eigenvalues of a symmetric matrix A must be equal to the singular values of A....

###### The sum of two quadratic forms in three variables must be a quadratic form as well....

##### The sum of two quadratic forms in three variables must be a quadratic form as well....

###### If A = , then there exist exactly four orthogonal 2 ...

##### If A = , then there exist exactly four orthogonal 2 ...

###### The product of the n singular values of an n ...

##### The product of the n singular values of an n ...

###### If A is skew symmetric, then A2 must be negative semidefinite....

##### If A is skew symmetric, then A2 must be negative semidefinite....