Linear algebra quiz: Is the transpose of a translation matrix a linear matrix?
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@warrenm@kongtomorrow transposition doesn't change anything. are you worried about different significance of 4th row and 4th col?
@cgs1019 Just trying to suss what the author of this video was on abouthttps://www.udacity.com/course/viewer#!/c-cs291/l-116502329/e-116334501/m-116334500 …
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@warrenm here's the problem: map from 3D (linear space) to 4D (projective space) by cramming a 1 on the end is not linear! -
@cgs1019 Are you perchance willing to sit down over pencil, paper, and beer and talk about such things tonight?
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@warrenm yes! I was looking for something to do this evening, actually, so perfect -
@cgs1019 Fantastic. I’m en route to The Willows, should be there in an hour. Work for you?
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@warrenm totally. I'm on the long haul up 101. will intercept at temporally forward translated spacetime point.
End of conversation
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