Study Guides for ECON 1540 at York University

Question 1: Suppose matrix A is 4x9 and matrix B is 4x12 and consider the following matrices. Based on the above, answer the following (5 marks each): (a) If C = (B'A)A', does matrix C exist? If so, what is its dimension...

Question 1: Consider the following matrices: 0.^ 0.\6 0- 0,1 0.5 t>,0 Oib 0 Q.I 0.4 04 0.2 p 0,1 ° 0,1 o c fi.i 0,1 0 0,3 \04 w ...

Question 1: (a) Determine the rank of matrix B below (8 marks) 1 1 2 7 3 1 -1 B = 2 3 -5 0 1 5 9 0 1 -1 1 2 0 1 3 4 -3 7 4 6 8 1 1 2 -5 3 ...