Step 1 :Apply the Gram-Schmidt process to the given basis S: \(S = \left\{\begin{bmatrix}1 \\ 1 \\ 1 \\ 1\end{bmatrix}, \begin{bmatrix}-1 \\ 4 \\ 4 \\ 1\end{bmatrix}\right\}\)
Step 2 :Normalize the orthogonal vectors to obtain the orthonormal basis: \(\left\{\begin{bmatrix}0.5 \\ 0.5 \\ 0.5 \\ 0.5\end{bmatrix}, \begin{bmatrix}-0.70710678 \\ 0.47140452 \\ 0.47140452 \\ -0.23570226\end{bmatrix}\right\}\)
Step 3 :\boxed{\text{Final Answer: } \left\{\begin{bmatrix}0.5 \\ 0.5 \\ 0.5 \\ 0.5\end{bmatrix}, \begin{bmatrix}-0.70710678 \\ 0.47140452 \\ 0.47140452 \\ -0.23570226\end{bmatrix}\right\}}