Current Server Time: 07:47 (Central Europe)

#apertus IRC Channel Logs

2014/02/17

Timezone: UTC


01:38
Bertl
back now ...
01:50
troy_s
Bertl: How do you combine matrices?
01:50
Bertl
simple matrix multiplication
01:51
Bertl
http://en.wikipedia.org/wiki/Matrix_multiplication
01:52
Bertl
(Matrix product)
01:53
Bertl
note that it is not commutative, i.e. order matters
01:54
Bertl
http://wims.unice.fr/~wims/en_tool~linear~matmult.html
01:58
Bertl
slikdigit: you're good with blender?
03:14
troy_s
Bertl: slikdigit is more than good.
03:15
troy_s
Bertl: ;)
03:15
troy_s
Bertl: He's the director of Elephant's Dream. Not sure if you have seen it or not. :)
03:15
Bertl
I was hoping for that :)
03:16
Bertl
I'm desperately looking for a cool 4k rendered image for testing to replace the 'awful' color smoke now that we have deep color :)
03:17
Bertl
i.e. something which has at least 4096x3072 pixel and 12 bit per color channel
03:17
troy_s
Bertl: Interesting. Well I'm sure that slikdigit can probably pull up a deep frame from ED or something.
03:19
Bertl
and yes, I've seen Elephant's Dream ... loved it!
04:04
troy_s
Bertl: Why does that second link calculate the inverse of the B matrix, then mults by A, then B?
04:04
troy_s
Can't you just mult A by B?
04:05
Bertl
which one?
04:05
Bertl
you can set a formula on the french link
04:06
Bertl
not sure what you have set there, but if you put C=A*B there, it is just a multiplication
04:06
Bertl
(or B*A if that is what you want)
04:06
troy_s
I see C= B^-1*A*B
04:06
troy_s
Which seems... Odd.
04:07
Bertl
well, then replace the right side by A*B or B*A
04:08
troy_s
I realize that. Was just wondering why it would default to that.
04:08
troy_s
Odd.
04:08
Bertl
the french are sometimes odd, so no idea why ...
04:09
Bertl
note that reinitialize the page always generates a random formular
04:09
troy_s
Ah.
04:09
troy_s
Random!
04:09
Bertl
well, at least it seems to me like that :)
04:09
troy_s
Bertl: What's an invariant?
04:09
troy_s
(n^-1?)
04:10
Bertl
in the mathematical sense, an invariant is something that remains unchanged during transformation
06:40
gwelkind
left the channel
07:51
se6astian
joined the channel
07:51
se6astian
good morning
07:51
Bertl
and a good one 2u2!
07:51
se6astian
:D
09:18
philippej
joined the channel
10:20
SashaC
joined the channel
10:44
SashaC
left the channel
11:00
se6astian
left the channel
11:26
jucar
left the channel
11:40
danhanes
joined the channel
12:15
philippej_
joined the channel
12:16
se6astian
joined the channel
12:20
philippej
left the channel
13:08
philippej
joined the channel
13:17
philippej_
left the channel
13:17
philippej
troy_s, could you elaborate why pci (or similar) would be a bad idea for interboard connections? The idea is to screw everything together to the enclosure, and use some kind of connectors between each board. We can't solder them together :-) There is also the issue of price and serviceability (easy to unscrew a board and replace it).
15:11
Bertl
off for a nap ... bbl
15:23
gwelkind
joined the channel
15:27
danhanes
left the channel
15:46
gwelkind
left the channel
15:48
philippej
left the channel
17:15
gwelkind
joined the channel
17:15
se6astian
left the channel
17:45
jucar
joined the channel
18:24
se6astian
joined the channel
18:46
slikdigit
Bertl: troy_s: http://media.xiph.org/
18:46
slikdigit
look here :) it is a smorgasbord of Blender Foundation footage
18:47
troy_s
slikdigit: any deep depth 709 / srgb?
18:49
slikdigit
maybe check the exr frames from ToS
18:49
slikdigit
or the clean or raw footage
18:50
se6astian
I just created a 16bit tiff from a photo of the prototype: https://cloud.gerade.org/public.php?service=files&t=88644302ffde4f6e5659627a3c8bbf32&download&path=/Axiom/alpha/axiom-alpha-hardware-logo.7z
18:51
gwelkind
left the channel
20:24
jucar
left the channel
20:27
jucar
joined the channel
21:16
Bertl
back now ...
23:00
mikkael
joined the channel
23:05
mikkael
left the channel
23:09
se6astian
time for bed
23:09
se6astian
good night!
23:09
se6astian
left the channel
23:20
gwelkind
joined the channel