Real-Time Physics Simulation Forum 2015-07-31T06:19:25+00:00 https://pybullet.org/Bullet/phpBB3/app.php/feed/topic/10717 2015-07-31T06:19:25+00:00 2015-07-31T06:19:25+00:00 https://pybullet.org/Bullet/phpBB3/viewtopic.php?p=36007#p36007 <![CDATA[Re: Johnson's Distance Algorithm: What am I doing wrong?]]> also asking on Stack Overflow.

Statistics: Posted by Adrian Lopez — Fri Jul 31, 2015 6:19 am

]]> 2015-07-24T18:10:04+00:00 2015-07-24T18:10:04+00:00 https://pybullet.org/Bullet/phpBB3/viewtopic.php?p=35971#p35971 <![CDATA[Johnson's Distance Algorithm: What am I doing wrong?]]>
y1 = (1,-1)
y2 = (1,1)

The closest point of its affine hull to the origin should be (1, 0), but that's not what I get:

Δ1 = 1
Δ2 = Δ1 * ((y1 - y2) . y1) = 2
Δx = Δ1 + Δ2 = 3

λ1 = Δ1/Δx = 1/3
λ2 = Δ2/Δx = 2/3

v = λ1*y1 + λ2*y2 = (1, 1/3)

I must be doing something wrong, but I can't figure out what that is.

Statistics: Posted by Adrian Lopez — Fri Jul 24, 2015 6:10 pm

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