4. Iterative Method

Example 3

Use (a) Jacobi iteration and (b) Gauss-Seidel iteration to solve the the following linear system:

4x1 - x2 + x3 = 7

4x1 - 8x2 + x3 = -21

-2x1 + x2 + 5x3 = 15

Use (1,2,2) for initial values.

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