1.4 , 1.5

1.4 (20 points) (a) Use a single command to create a row vector (assign it to a variable named b) with 19 elements such that b = 12 3 4 5 6 7 8 9 10 9 8 7 6 5 4 3 2 1 1. Use array 2. Use linspace (b) Create the following matrix by using vector notation for creating vectors with constant spacing and/or the linspace command. Do not type individual elements explicitly. Show the Matlab code and answer 5 10 30 A=600 15 20 25 300 200 100 2.5 3.3333 4.1667 500 400 0.8333 1.6667 0 0 1.5 (20 points) Create three row vectors: a = [7 2 -3 1 0). b=[-3 10 0 7 -2]. c= [1 0 4 6 5] (a) Use the three vectors in a MATLAB command to create a 3x5 matrix in which the rows are the vectors a, b, and c. (b) Use the three vectors in a MATLAB command to create a 5x3 matrix in which the columns are the vectors a, b, and c. (c) Calculate M - ab (d) Is a.*b a legal expression, and why? Write the MATLAB code in a Script file, called hw0105m and then run it on Command Window. Show the Script file and the result in the Command Window, W 35