Einheitssphäre/R^n/n-1-dimensional/Definition

Einheitssphäre

Die Teilmenge

S^{n-1}={\left\{x=(x_{1},\ldots ,x_{n})\in \mathbb {R} ^{n}\mid x_{1}^{2}+\cdots +x_{n}^{2}=1\right\}}

heißt ${}(n-1)$ -dimensionale Einheitssphäre.

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