Question

Q 4_1?
4_2?
4_3?
plz help.

Answer 1

HW4_1
1)
-1.17
-1.17
1.4142
0.936
2.35
2)
-1.414
0.702
0.702
3)
-4.05
-4.05
2.59
6.49

HW4_2: PART I
% Define the coefficient matrix a
a =[-1 1 -sqrt(2)/2 0 0 0; 0 0 -sqrt(2)/2 -1 0 0; 0 -1 0 0 -sqrt(2)/2 0; 0 0 0 0 -sqrt(2)/2 0;
0 0 0 0 sqrt(2)/2 -1; 0 0 0 1 sqrt(2)/2 0];

% Define the right-hand-side vector b
b = [0; 0 ; 0; 2; 0; 0];

% Solve for solution vector
X = a\b

H4_2: PART II

Rx(A)=-4
Ry(A)=0
Rx(E)=4
Ry(E)=2