b = I/a % I is the identity matrix with same size as matrix a. 51.852% 48.148% b = I\a % I is the identity matrix with the same size as matrix a. 77.778% 22.222% Question 17: Calculated Numeric Average Score 4.07407 points If S = 1+2^3+3^3+4^3+....+50^3 Use MATLAB to compute S.The value of S is: Correct Answers Percent Answered 1275 3.704%

7.8127e+09 3.704% 1625625 81.481% 7.8126e+09 3.704% 1596795 3.704% 100 3.704% Unanswered0% Question 18: Multiple Choice Average Score 3.7037 points If A = linspace(1,2,10), B=11:20, and C = logspace(1,2,10).If D is defined as [A;B;C] and E=D'. The one column matrix F is obtained from F=E(:); then, D(3,3)

Question 19: Multiple Choice Average Score 3.85185 points If A = linspace(1,2,10), B=11:20, and C = logspace(1,2,10).If D is defined as [A;B;C] and E=D'. The one column matrix F is obtained from F=E(:); then, D(2,5)

Question 20: Multiple Choice Average Score 4.07407 points If x = 1:50, y = 1000:1100 Then X and Y are defined from: [X,Y] = meshgrid(x,y) What is the number of columns in X?

Question 21: Multiple Choice Average Score 3.51852 points If x = 1:50, y = 1000:1100

Then X and Y are defined from: [X,Y] = meshgrid(x,y) What is the number of rows in Y?

Question 22: Calculated Numeric Average Score 4.62963 points If x = 1:50, y = 1000:1100 Then X and Y are defined from:[X,Y] = meshgrid(x,y) If F = X.*Y; then F(10,5) = (Write ONLY the value below)

Question 23: Multiple Choice Average Score 2.51852 points What is the value of "a" so the linear system of equations given below, has a unique solution?