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Results tagged with linear-algebra
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user 75032
Questions about the properties of vector spaces and linear transformations, including linear systems in general.
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One-step vectorial recurrence into multi-step scalar recurrence on commutative rings with bo...
Introduction over unbounded domain
Consider the forward time shift $\mathsf{z}$ acting on a discrete function of time (sequence) $f=(f^n)_{n\in\mathbb{N}}$ as $(\mathsf{z} f)^{n} = f^{n+1}$. Also cons …
- 11
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Degree of determinant of a (non-monic) matrix polynomial
Let $n=2, 3, \dots$ and consider the matrix polynomial $L(\lambda)=\sum_{k=0}^{\ell}A_k\lambda^k$, where $A_k \in \mathbb{C}^{n\times n}$.
In the so-called monic case (or that can be made monic by inv …
- 11