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# Fourier Basis
- [[quantum-computing]]
- the basis with base vectors $`\ket{+}`$ and $`\ket{-}`$
- $`\ket{+} = \frac{1}{\sqrt{2}}\begin{bmatrix}1\\1\end{bmatrix}`$
- $`\ket{-} = \frac{1}{\sqrt{2}}\begin{bmatrix}1\\-1\end{bmatrix}`$