Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Solve in python.

Expected ouput is 9

1. The number of iterations it takes gauss-seidel to converge:
a. Initial guess: [0, 0, 0]
b. Tolerance: le-6
c. Iterations: 50
3 1 1
1
1 4 1
23 7
d.
3
0
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Transcribed Image Text:1. The number of iterations it takes gauss-seidel to converge: a. Initial guess: [0, 0, 0] b. Tolerance: le-6 c. Iterations: 50 3 1 1 1 1 4 1 23 7 d. 3 0
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Follow-up Question

The output after running the code is [0,0,0] but it should be just the number 9.

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It is giving me this error message:

Traceback (most recent call last):
  File "/Users/Desktop/", line 18, in <module>
    if np.linalg.norm(np.dot(A, x) - b) < tolerance:
  File "<__array_function__ internals>", line 200, in dot
ValueError: shapes (3,4) and (3,) not aligned: 4 (dim 1) != 3 (dim 0)

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Follow-up Question

The output after running the code is [0,0,0] but it should be just the number 9.

Solution
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Follow-up Question

It is giving me this error message:

Traceback (most recent call last):
  File "/Users/Desktop/", line 18, in <module>
    if np.linalg.norm(np.dot(A, x) - b) < tolerance:
  File "<__array_function__ internals>", line 200, in dot
ValueError: shapes (3,4) and (3,) not aligned: 4 (dim 1) != 3 (dim 0)

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