Practice Exam#2 for Fall 2020 EGM 3344Introduction to Numerical Methods of Engineering Analysis Name:Last,First Score: Closed book; 1 page (1 side) formula sheet (8.5″x11″). Only scientific calculator is allowed. Time Allowed: 100 minutes The above applies to real exam 2. You will have extra 25 minutes for Honorlock logistics. In the multiple choice problems, “NOT” means “Non Of The Above”. 1a.(4 pts) IfAis anmnmatrix,Bis anmamatrix, andCis abn matrix, which of the following products is well defined? A)ABCB)TA BCC)TCA BD)T BCA E) NOTA
1b.(4 pts) The sum of two matrices is88112and their difference is810 110 .LetDbe the determinant of the product of the two matrices.Find the absolute value ofD.
1c. (4pts) Which matrix norm is closely related to the Euclidean vector norm that gives the typical length of vectors. A) ||A||FB) ||A||1C)||A||∞C)||A||spectral E) NOTA 1d. (4pts) Which process is the most computationally expensive: