Notes in Linear Algebra

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Published	11/14/2024	[latex]Let \( V \) be a vector space over \( F \). The \textbf{dual space} of \( V \) is ... [/latex]
Published	11/14/2024	[latex](Numpy) Suppose \( w \in \mathbb{R}^{d} \) and \( X = (x_1^{T}, \ldots, x_n^{T})^{T} \in \mathbb{R}^{n \times d} \). How to calculate the follo…
Published	11/14/2024	[latex]The \textbf{conjugate transpose} of an \( m \)-by-\( n \) matrix \( A \) is ... [/latex]
Published	11/14/2024	[latex]A matrix \( B \in F^{n \times n} \) is called \textbf{positive definite} if ... [/latex]
Published	11/14/2024	[latex]A hermitian matrix is positive definite \( \iff \) ... [/latex]
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