Question

Project: MATH 213 - Linear Algebra Instructor: Dr. I. Aksikas Due Date: May 02, 2019 Exercise 1. Start Matlab and enter the following matrices 0.5 0.35 0.15 B=10.35 0.6 0.05 0.15 0.05 0.8 1, c=112 -3 2 1 4-6 Type the following (a) Did Matlab refuse to do any of the requested calculations? Why? (b) Is (A' +A)/2 symmetric? Is this is correct for any square matrix? Prove or disprove

Answer 1

Commands >>Al -1 2;-3 11;1 4 -6] >>B-[.5 .35 .15; .35 .6 .05;.15 .05 .8] 1500 0,9500 θ,8000 0 . 35θ0 0.6000 0.0500 0,3500 0.1500 >>C-l-1;1 2:3 21 A*A ans 8 11 42 17 -21 ans 1 , 7000 0,4000 1.0000 2.4500 -4.4500 θ . 450θ 1 , 0000 0.4000 ans 0,4000 -1.4000 0,8000 0.4500 1.0000 4.4500 0.4500 0.4500 3.1000 ans 23 > A ans = ans 1.0000 2.0000 1.5000 -2.0006 1.0000 2.5000 2.5000 1 . 500θ 6.0000 2F

0 con diHon Pon muot satisfy. the above b) Yes· from aLove executon we can olse weit tat, B - 7 Now 2 2 2.