CODEWITHSUNDEEP
paripari-gp
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Reputation: 3555

What does the backslash in Pari mean?

What does the backslash in Pari mean? As in: a(n) = 1 + n\4

It it very hard to find an answer using traditional search engines, because the terms "pari" and "backslash" appear in various independent contexts.

Upvotes: 0

Views: 58

Answers (1)

K.B.
K.B.

Reputation: 911

Instead of "traditional search engines", use Pari's online help: ?? \

   The  expression x \y is the Euclidean quotient of x and y.   If y is a real
scalar, this is defined as floor(x/y) if y > 0, and ceil(x/y) if y < 0 and the
division  is  not  exact.    Hence the remainder x -  (x\y)*y is in [0,  |y|[.

   Note that when y is an integer and x a polynomial, y is first promoted to a
polynomial of degree 0.  When x is a vector or matrix, the operator is applied
componentwise.

Upvotes: 1

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