An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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orthogonal functions
  کریاهایِ ارداکنج  
karyâhâ-ye ardâkonj
Fr.: fonctions orthogonales  

A set of functions, any two of which, by analogy to orthogonal
vectors, vanish if their product is summed by integration over a
specified interval.

See also: → orthogonal; → function.