XxKVxX6706 XxKVxX6706
  • 27-12-2023
  • Mathematics
contestada

Show that if A is an m x n matrix such that A^T A is invertible, then the projection matrix P = A(A^T A)^(-1) A^T is an idempotent in the ring of n x n matrices.

Respuesta :

Otras preguntas

Which mixed number is greater: 5 7/24 or 5 5/16? Why?
what the rational numbers equivalent to 6/9
If five notebooks cost $5.25, how much will three notebooks cost?
what is 9/25 as a decimal terminating or repeating decimal
A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.00 m/s. The car is a distance d away. The bear is 37.2 m
what is 25/99 as a decimal terminating decimal or repeating decimal
what is 3/5 plus 5/8?
A meal of a chicken sandwich and some pasta salad had 150 grams of carbohydrates. The pasta salad had 30 grams more than twice the grams of carbohydrates in the
What is determined by motion and the spacing of particles?
What is the biggest states when it comes to total area and the number of citizens? Thanks for your answer!
ACCESS MORE
EDU ACCESS