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02:59:37 <zzo38> Do you like AmigaMML, or do you hate it, or not?
03:03:23 <tswett> Bike: I think that e.g. pointwise multiplication is a linear filter that isn't a convolution filter.
03:03:48 <Bike> linear time invariant, then?
03:04:06 <tswett> Yeah, I think every non-pathological linear time-invariant filter would have to be a convolution filter.
03:04:18 <tswett> If you apply it to the Dirac delta function, that tells you the kernel.
03:04:50 <Bike> http://en.wikipedia.org/wiki/LTI_system_theory#Overview right, ok.
03:05:02 * Bike has been attempting to learn this stuff, but from a book instead of a class, so
03:06:05 <Bike> convolution is basically like how generalized functions work, isn't it. huh
03:09:27 <tswett> Aren't generalized functions the dual of the vector space of smooth functions with bounded support, or something?
03:11:23 <tswett> Such that the dot product of a SFBS and a generalized function is effectively the integral of a pointwise product?
03:11:33 <Bike> yeah but you get that by defining the inner product as the integral of the product of bla bla bla
03:12:02 <Bike> and then you say every linear operator is an inner product with some fixed thingie, but the fixed thingie might be something like dirac
03:12:36 <Bike> something something.
03:13:05 <Bike> i'm just glad to know there's some version of generalized functions that isn't a ridiculous hack. learning math from engineering texts is worrying, worrying
03:13:32 <tswett> Where'd you get your definition of a generalized function?
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03:14:58 <Bike> kolmogorov's intro to real analysis (not the engineering book)
03:16:26 <tswett> ATWP, "The vector space D′(U) is the continuous dual space of D(U) equipped with the weak-* topology".
03:16:35 <Bike> "atwp" is unknown to me
03:16:42 <tswett> According to Wikipedia.
03:16:58 <Bike> well, your definition probably subsumes my understanding
03:17:08 <Bike> i just like having things be concrete in some fashion
03:17:50 <Bike> the section on the weak topology is right before this, i just haven't absorbed the whole thing
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04:57:23 <zzo38> Now I am adding many new feature into AmigaMML, such as: auto-portamento, increased maximum length of sample data (including for use with PADsynth), Karplus-Strong, a few bug-fix, and an alternative way to calculate beats-per-minute.
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06:09:16 <Sgeo> When Rust stabilizes, is it likely to at least catch up to Go in terms of library support?
06:10:20 <MSusw> When Rust stabalises it'll be a survival video game.
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06:11:14 <Sgeo> Should I try that game?
06:11:54 <quintopia> it's on my wishlist for the day when it gets more complete and cheaper
06:12:30 <Sgeo> This does not give me confidence in the Go ecosystem: http://technosophos.com/2014/06/27/saved-by-the-bug.html
06:18:05 <zzo38> What would be the operation of each rule of linear logic in a system similar to the Gentzen esolang system I have made up?
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06:35:22 <zzo38> An idea for a variant of poker game is that you play with spread-limit before the flop and you play with pot-limit after. Would it work?
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08:40:49 <Taneb> shachaf, is it oerjanday?
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08:45:11 <Taneb> Sgeo, I don't know much about Go at all
08:45:16 <Taneb> What is its library support like?
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11:56:04 <TieSoul> Well, I've added fingerprint support to my Funge-98 interpreter :P
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14:22:45 <myname> what's a good data structure to use in haskell to store a 2d grid on which i want to make only reads after generation?
14:24:24 <myname> to be even more specific: i only want to access fields around the last selected field. don't know if that matters
14:34:19 <myname> okay, have to take a look, never used arrays in haskell :D
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15:26:18 <HackEgo> olist (956): shachaf oerjan Sgeo FireFly boily nortti
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17:29:53 <FireFly> HackEgo seems to be dead again
17:40:28 <olsner> fungot is also dead :/
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17:42:40 <int-e> . o O ( should I evacuate lambdabot from the channel, just to be safe? )
17:43:01 <int-e> (unfortunate timing)
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17:44:28 <fizzie> I don't know what's up with HackEgo not rejoining the channel these days. There's a thing that's supposed to do it if it dies. Though it has hardwired 10-second sleep before it sends the JOIN, so maybe there's some new (identd-related?) timeout thing or something.
17:46:10 <olsner> are you running hackego now?
17:47:48 <fizzie> No, I just have administrative suppositories, I mean, powers, on the server it runs on, since it's the same box that serves the wiki.
17:47:58 <fizzie> So I've been doing these small fixups as a public service.
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17:57:36 <int-e> fizzie: does it actually die though?
17:58:57 <fizzie> int-e: I haven't looked. But it should if the TCP connection to the server closes.
17:59:32 <int-e> fizzie: when I took over, lambdabot would occasionally end up with a one-sided tcp connection, waiting for messages from the IRC server which would never arrive. I solved this by having it send PINGs to detect this scenario.
17:59:56 <fizzie> Well, it wouldn't have come back to IRC if it were waiting on that.
18:00:06 <fizzie> And I think multibot maybe does send pings.
18:00:16 <fizzie> I don't know too much about the thing, since it's not my thing.
18:00:57 <fizzie> It runs inside a while true; do socat TCP4:irc.freenode.net:6667 EXEC:'./multibot ...' &; sleep 10; echo 'JOIN ...' | socat ...; wait; done kinda thing.
18:00:58 <int-e> It's just an idea, because it took me a while to figure that one out.
18:01:03 <fizzie> Anyway, time for a sauna. ->
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22:26:21 <oerjan> shachaf: why thank you!
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22:54:30 <zzo38> I have idea another way to combine a chess game with a poker game. This is not a FIDE chess game, but is a bit difference. You can make the move with each poker hand dealt. You can drop pieces back onto the board like in shogi. There can be dueling like in Sirlin's chess, but using the poker chips.
22:55:40 <zzo38> If you drop piece onto the board, stand it up so your opponent cannot see what kind of piece it is; they have to guess, and if they guessed correctly they can take some of your poker chips but if they guessed wrong then you take their poker chips. Also some squares on the board can be labeled with poker hands and suits, and if you drop it on there, then when the cards are revealed, then if you have it you win some poker chips if you don't have it
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22:59:36 * oerjan just noticed oots had an upgrade in drawing style at comic 947
23:00:19 <oerjan> now their hands are still sticky-like, but they are _flesh-colored_. and other little details.
23:00:40 <shachaf> People have been complaining about it for weeks.
23:00:43 <oerjan> shachaf: i was zooming the newest comic, made it really obvious :P
23:01:28 <shachaf> My sister says she can't bear to look at the comic anymore. She just reads the text or something.
23:01:48 <shachaf> This is what I've always done anyway.
23:05:01 <oerjan> well i like the new style.
23:05:16 <oerjan> i assume his secret plan is that the finale will be photorealistic hth
23:08:19 <zzo38> If you can copy the text then it can also perhaps be reformatted to fit the screen/paper, font size, etc, and if it can avoid to download the picture, and save disk space.
23:11:47 <zzo38> How many dimensions is the most amount that Fourier transform is sometimes used with?
23:14:00 <boily> I think 2, if you're doing image compression or stuff.
23:14:32 <boily> (there are probably weird people out there with a transform fetish applying it so some arbitrary high dimensions...)
23:15:15 <oerjan> it applies to an arbitrary locally compact abelian group, of which all R^n and Z^n are examples.
23:15:56 <zzo38> I wanted to see if you can then extend the PADsynth algorithm to two, three, or even four dimensions.
23:16:05 <oerjan> (although R^n have the particular property that the dual group, in which the result lives, is isomorphic)
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23:16:50 <zzo38> I do not know how the results would appear to be.
23:17:25 <oerjan> (Z^n are dual to T^n where T is the complex unit circle under multiplication)
23:18:08 <zzo38> If doing PADsynth in three dimensions, you could get a animated tiled picture, although I am not sure what it would look like. (Doing so would also need to use higher dimensional Gaussian distributions.)
23:22:37 <oerjan> oh right gaussians are mapped to gaussians. that may not have been mentioned in the harmonic analysis course i took.
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23:43:22 <zzo38> PADsynth uses gaussian distributions with random data for phases.
23:44:08 <HackEgo> [wiki] [[SYCPOL]] http://esolangs.org/w/index.php?diff=39959&oldid=39958 * Oerjan * (+238) an evil layout epiphany
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