14.5. EXERCISES 343

14.5 Exercises1. Solve the system  4 1 1

1 5 20 2 6

 x

yz

=

 213

using the Gauss Seidel method and the Jacobi method. Check your answer by alsosolving it using row operations.

2. Solve the system  4 1 11 7 20 2 4

 x

yz

=

 123

using the Gauss Seidel method and the Jacobi method. Check your answer by alsosolving it using row operations.

3. Solve the system  5 1 11 7 20 2 4

 x

yz

=

 301

using the Gauss Seidel method and the Jacobi method. Check your answer by alsosolving it using row operations.

4. Solve the system  7 1 01 5 20 2 6

 x

yz

=

 11−1

using the Gauss Seidel method and the Jacobi method. Check your answer by alsosolving it using row operations.

5. Solve the system  5 0 11 7 10 2 4

 x

yz

=

 173

using the Gauss Seidel method and the Jacobi method. Check your answer by alsosolving it using row operations.

6. Solve the system  5 0 11 7 10 2 9

 x

yz

=

 110

using the Gauss Seidel method and the Jacobi method. Check your answer by alsosolving it using row operations.