Matrices

Question 1

Idemptetente

Answer 1

A² = A

Question 2

Involutiva

Answer 2

A² = I

Question 3

Ortogonal

Answer 3

A^T = A^-1 => A * A^T = I

Question 4

Regular

Answer 4

|A| ~= 0

Question 5

Singular

Answer 5

|A| = 0

Question 6

Equivalentes

Answer 6

Existen P y Q cuadradas tal que B = P*A*Q

Question 7

Congruentes

Answer 7

Existe P cuadrada tal que B = P^T * A * P

Question 8

Semejantes

Answer 8

Existe P cuadrada tal que B = P^-1 * A * P