Question 1: Use MATLAB to compute the following, a.) Define x and y as the vectors x 2, 4, 6, 8, 10 and y 3, 6, 9, 12,15. The use them in the following expression to calculate z using element-by-element calculations, Sxy12.5e b.) The following are mesh-current equations from a circuit analysis. rtti Cantt vake 9ii -2i2 -2i3 4 -2i1 +10i2-4i-i-is-6 -12 + 84-31,-0