# Talk:Tenney-Euclidean temperament measures

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## What does this notation mean?

- This article uses the notation "Standard L2 norm 7.195 : 5.400 2.149 : 2.763 12.882×10-3 : 12.435×10-3". What does it mean?

- Apparently Mike would use "ℓ
_{2}", though I prefer "*L*^{2}". In wikipedia:Norm_(mathematics), they're used interchangeably. In wikipedia:Lp_space, however, "ℓ^{2}" is reserved for infinite-dimension spaces, which I don't think is the case here. Regardless of the notation, it means Euclidean space, so L2 norm means Euclidean norm or "the length". P.S. My approach is mostly an engineer's so I might value practicality over rigor. FloraC (talk) 08:31, 24 July 2020 (UTC)

- Apparently Mike would use "ℓ