< R^n < Summenmetrik < Metrischer Raum
Auf dem
R
n
{\displaystyle {}\mathbb {R} ^{n}}
ist
d
(
x
,
y
)
=
∑
i
=
1
n
|
x
i
−
y
i
|
{\displaystyle {}d{\left(x,y\right)}=\sum _{i=1}^{n}\vert {x_{i}-y_{i}}\vert \,}
eine
Metrik
, die man die
Summenmetrik
nennt.
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