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14 replies

V
ValeryOchkov24-Ruby IVAuthor
24-Ruby IV
December 13, 2014

One question!

hy we use ()^2 in the summ not abs() or ()^4

H
HarveyHensley12-Amethyst
12-Amethyst
December 13, 2014

Valery Ochkov wrote:

One question!

hy we use ()^2 in the summ not abs() or ()^4

Because the method name would then be least abs or least quads errors.

V
ValeryOchkov24-Ruby IVAuthor
24-Ruby IV
December 13, 2014

HARVEY HENSLEY wrote:

Valery Ochkov wrote:

One question!

hy we use ()^2 in the summ not abs() or ()^4

Because the method name would then be least abs or least quads errors.

Sorry,

I did not asked about the name of the method - I ask: why ()^2 not abs

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