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I want to express "X is a vector. The i_th element of X is ..." with a clause. Which one is right:

  • X is a vector, the i_th element of which is ...
  • X is a vector, of which the i_th element is ...
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    X is a vector, whose i_th element is ...
    – Greybeard
    Commented May 22, 2020 at 9:17
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    Yes; Greybeard's suggestion is the most idiomatic (and least cluttered); neither of your suggestions is ungrammatical, but idiomaticity is at least as important. (2) sounds rarefied. (1) is passable. Greybeard's suggestion, A+. 'Whose' is used effortlessly for inanimate objects, notions etc by practised Anglophones ( 'a car whose left door is broken'; 'a war whose main objectives have been accomplished'). Commented May 22, 2020 at 13:52

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