5.1. For this example, let's assume the matrix \( A \) is given as:
\[ A = \begin{bmatrix} 4 & 1 \\ 1 & 3 \end{bmatrix} \]
Step 2:
Set the shift value \( \mu \) to 0.5 as given in the problem. The shifted matrix \( B \) is then calculated as:
\[ B = A - \mu I =
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