Thank you very much for the explanation, it was very useful. One piece one constructive critique though, I think you repeated too many times the concept of "direction". But overall it was very useful, thank you!
Dot product between matrix A and the vector?! Not sure if I follow... so you mean A.x is a dor product with a result that is a scalar, let's call it S, and If S>0 then A is positive definite?! I thought we had to do xAx to get that scalar S!
X brasil copa da copa e amanhã vou e é só no centro de casa da tia Maria da casa e amanhã às três dias quando estiver chegando no centro de casa da empresa e o almoço amanhã às noite toda vez por favor se fala comigo no
is this a joke? this video teaches you the topic in 5 minutes for free. not only that but without writing a single thing on a piece of paper and in such a way that you don't even need to know any linear algebra to get the concept. dumb comment
