Best way to represent a point

Neabfi
15 ●3

Hello,

I have a point p1(x1, y1) and a point p2(x2, y2). For example I want p1 = 2 * p2 For the moment I store the points in lists so I have to do like: p1[0] = 2 * p2[0] p1[1] = 2 * p2[1] It's very ugly. What's the best way to do that ? Thanks in advance

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answered 9 years ago

vdelecroix
7640 ●20 ●85 ●168 http://www.labri.fr/pe...

You should use vectors

sage: p = vector((3,4))
sage: q = vector((0,-1))
sage: 2*p
(6, 8)
sage: p + q
(3, 3)

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Asked: 9 years ago

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Last updated: Dec 19 '15

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