Every finite dimensional vector space over R (or C) is isomorphic to R^n (or C^n) for some n.

Created almost 9 years ago, updated about 8 hours ago

If $\dim_{\mathbb F}V=n<\infty$, the coordinate map relative to any ordered basis is a linear isomorphism $V\to\mathbb F^n$. Its inverse reconstructs vectors from coordinates. The isomorphism depends on the chosen basis; there is generally no preferred coordinate system.

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