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???? ??? ????? ??????? ????, ???? ??????? ??? ????? ??????? (???? ?????? ?? ?????????? ?????? ?? ??? ??? ?? ???? ?????? ??? ????????? ???? ????? ??), ????-?????????? ???? (R3) ???? ?? ??????? ???? ??? ?????? (??-?????) ??????? ????? ?? ??? ????? ?????? × ??? ????? ????? ??? ?? ????? ??? '?? ???????? ????? a ??? b ????? ??? ?? ???? ??????? a × b, ??? ????? ????? ????? ?? ????? ??? ???????????? (?????) ????? ?? ??? ?? ?? ?? ????? ??? ???? ???? ???? (????) ??? ????? (90 ????? ??) ????? ??? ?? ???? ???? , ????? ?????? , ??????????? , ??? ??????? ??????????? ???? ???? ?????? ??????????? (?????) ??? ????? ??? ??????? ( ?????????? ?????? ) ???? ????? ???????

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????-??? ?? ???? ????? ???? ??????? ?? ????? ?????

???? ??????? ??? ?? ??????? ????? ????????? ???? ????? ?? [1] [2]

??????? a (blue) ??? b (red) ?????? ??? ???? ??? ???? ??????? a × b (vertical, in purple) ??? ????? ??? ???? ??????? ?????? ?? ????? ??????? ??? ??????? ?????? ??, ??? ???? ???? ???? ????? ????? ?? ???? ????? ?????? ????? ?? ??? ??? ??? ??? ???? ? a ?? b ? ?? ???? ????? ?? ???? ?? ??????? ????? ??

??? [ ???? ]

?????? ???? ???????, ???? 3×3 ???????? ?? ??????????? ???? ????? ????? ???????? ????? ?????? ?????? ?????? ????? ??

???? ??????? ?? ????? ?????? [ ???? ]

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????? ???? ????? ( i , j , k , ??? e 1 , e 2 , e 3 ) ??? a ( a x , a y , a z ?? ????? ????? ?? ????? ?? ??, ??? a 1 , a 2 , a 3 ) ?? ????? ?? ??

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u ??? v ?? ???? ??????? ???? ?? ?????? ???? ?? ?????

???? ??????? ??? ???? ??? '?? ?? ?????? ?? ???? ?? [note 1] determinant :

?? ??????????? ??? ?????? ?? ???? ?? ???? ???? ??? ??? ???? ?? ???? ?? ??? ??????? ?????? ?? ???? ??? ?? ??? ???? ?? ???? ?? ?????? ???? ???? ????? ???, ?? ?? ?????? ????? ??

??????? ????? ????? ??? ????? ???? ?? ??? ?? ????? ?? ???, ?? ?? ?????? ????? ?? [3]

?? ????? ??????? ?? ????? ????? ?? ?? ????? ??

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????? 1. ??? ???? ??????? ?? ???? ?? ??? '?? ??? ??????????? ?? ??????
????? 2. ??? ??????????? ????????? ???? ??? ???? ?????

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???? ??????? ????? ??????
????? ??? ???? ???? ??????? ????????? [4]
The two nonequivalent triple cross products of ???? ??????? a , b , c ?? ?? ????? ????? ??????

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???????????? ??????? ?? ?????? ???? ???? ?? ??-????? ??????? ?? ???? ?? ????? ??, ??? ???? ???? ??????? ?? ?? ???? ????? ??:

????? a ??? b ?? ????? ?? ?? ??????? ???????? t ???? ????? ???? ???

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????? ?????? ?? ???? ???? ???? ???????. ??? ??? ???? ??????? ???? ????? ??, ??? ?????? ???? ???????? ??

???? ??????? ??? ???? ?? ????? [ ???? ]

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  1. Here, “formal" means that this notation has the form of a determinant, but does not strictly adhere to the definition; it is a mnemonic used to remember the expansion of the cross product.
  1. Wilson 1901
  2. Dennis G. Zill; Michael R. Cullen (2006). "Definition 7.4: Cross product of two vectors". Advanced engineering mathematics (3rd ed.). Jones & Bartlett Learning. p. 324. ISBN   0-7637-4591-X .
  3. Dennis G. Zill; Michael R. Cullen (2006). "Equation 7: a × b as sum of determinants". cited work . Jones & Bartlett Learning. p. 321. ISBN   0-7637-4591-X .
  4. M. R. Spiegel; S. Lipschutz; D. Spellman (2009). Vector Analysis . Schaum's outlines. McGraw Hill. p.  29 . ISBN   978-0-07-161545-7 .

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