Definition:Matrix Similarity/Definition 2
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Definition
Let $R$ be a ring with unity.
Let $n \in \N_{>0}$ be a natural number.
Let $\mathbf A, \mathbf B$ be square matrices of order $n$ over $R$.
$\mathbf A$ and $\mathbf B$ are similar if and only if they are the relative matrices, to (possibly) different ordered bases, of the same linear operator.
We write:
- $\mathbf A \sim \mathbf B$
Also see
- Results about matrix similarity can be found here.
Sources
- 1965: Seth Warner: Modern Algebra ... (previous) ... (next): Chapter $\text {V}$: Vector Spaces: $\S 29$. Matrices