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[2016-2-28. : 1:34 am]  O)FaRTy1billion[MM] -- I know Hadamard (and the reason I clicked on it) from the transform you use to put qubits into the cat state ;o[2016-2-28. : 1:30 am] O)FaRTy1billion[MM] -- jjf28jjf28 shouted: FaRTy1billion https://www.mathsisfun.com/sets/functions-composition.html perhaps I found what circle probably is: https://en.wikipedia.org/wiki/Hadamard_product_(matrices)[2016-2-28. : 1:26 am] O)FaRTy1billion[MM] -- Dem0nDem0n shouted: What the fuck is a tensor product it says in linear algebra it's called outer product, I dunno if that means anything to you ;o[2016-2-28. : 1:13 am] O)FaRTy1billion[MM] -- https://en.wikipedia.org/wiki/Tensor_product#Definition[2016-2-28. : 1:09 am] Moose -- If you've only studied up to middle school geometry, I am unsurprised you don't know what a tensor product is, LMAO[2016-2-28. : 1:08 am] O)FaRTy1billion[MM] -- I still dunno what all this means.  The only one that makes sense to me is this one, which is how I used it before when I was doing whatever this means. [2016-2-28. : 12:56 am] O)FaRTy1billion[MM] -- but that math is way more interesting than middle school math, because it actually does something[2016-2-28. : 12:55 am] Moose -- You're not bad at math, there's just a lot between middle school geometry and what you're looking at.[2016-2-28. : 12:54 am] O)FaRTy1billion[MM] -- I'm not good at math. xD Before this trig class, I've only taken to like middle school geometry[2016-2-28. : 12:53 am] O)FaRTy1billion[MM] -- I dunno what all this means, but my understanding of the thing in the article I got it from is just given two vectors or matrices, make a new one where each of element of the first is multiplied by the second (so like [a b] (thing) [c d] = [ac ad bc bd]). ;o ... But I don't know if that's just a really specific instance of it, or what.[2016-2-28. : 12:48 am]  jjf28 -- if that's a period at the end of the function though, send an angry letter to whomever wrote it[2016-2-28. : 12:48 am] jjf28 -- FaRTy1billionFaRTy1billion shouted: wtf is circle operator? https://www.mathsisfun.com/sets/functions-composition.html perhaps[2016-2-28. : 12:47 am] Moose -- FaRTy1billionFaRTy1billion shouted: wtf is circle operator? Context dependent, usually some type of product[2016-2-28. : 12:47 am] Moose -- This implies (+) is a map that sends an input pair (u1, u2) to [u1-tilde, weird-F u2-tilde] (is that an interval, IDK)[2016-2-28. : 12:44 am] O)FaRTy1billion[MM] -- I really want understand what thing or thing is saying ;o[2016-2-28. : 12:42 am] O)FaRTy1billion[MM] -- is it just because different people came up with different things, and then they used their own garbage symbols instead of looking at other people's to see that they used the same one for something else / a different one for the same thing?[2016-2-28. : 12:40 am] Moose -- jjf28jjf28 shouted: wow I'm forgetting my linear algebra... does project Euler use it alot? I might start if for no other reason to keep math sharp and practice parallel programming Not as much as number theory and optimizations, but sometimes.[2016-2-28. : 12:39 am] jjf28 -- it gets less fun when your next class uses a different symbol for the same thing [2016-2-28. : 12:39 am] O)FaRTy1billion[MM] -- math is weird ;o it's fun when it stops being numbers and just turns in to a huge mess of letters, symbols, and little marks on or around other letters and symbols[2016-2-28. : 12:37 am] jjf28 -- wow I'm forgetting my linear algebra... does project Euler use it alot? I might start if for no other reason to keep math sharp and practice parallel programming [2016-2-28. : 12:34 am] O)FaRTy1billion[MM] -- as you go down that page the stuff it's doing gets more and more insane[2016-2-28. : 12:33 am] O)FaRTy1billion[MM] -- It doesn't. xD I was just going to random wiki articles seeing if I could apply identities to anything, then made the remark about math notations[2016-2-28. : 12:32 am] O)FaRTy1billion[MM] -- I have no idea what this is, I don't know what it's talking about [2016-2-28. : 12:32 am] O)FaRTy1billion[MM] -- it also said something about swapping -x-hat and y-hat[2016-2-28. : 12:30 am] O)FaRTy1billion[MM] -- it said (x-hat y-hat)2 = x-hat y-hat x-hat y-hat, and that -x-hat x-hat y-hat y-hat = -1, I figured (x-hat x-hat) = -1, (y-hat y-hat) = -1, so that's -1 * -1 * -1 ;o[2016-2-28. : 12:29 am] Moose -- -(x-hat y-hat)2 = -1 => (x-hat y-hat)2 = 1 => x-hat2 y-hat2 = 1 => x-hat2 = y-hat-2 tho[2016-2-28. : 12:25 am] O)FaRTy1billion[MM] -- I was reading the thing I typed already when I typed that[2016-2-28. : 12:24 am] Moose -- The hats don't have a meaning that's independent of context. x-hat is just another variable, one that is presumably related to x somehow.[2016-2-28. : 12:21 am] Moose -- It gets worse. It's knowing which notation they're using this time, in this case, that nobody else is using.[2016-2-28. : 12:20 am] O)FaRTy1billion[MM] -- I'm pretty sure 90% of math is just knowing what all the little symbols and notations are. what's with the little hats?[2016-2-28. : 12:16 am] O)FaRTy1billion[MM] -- If I didn't see this, I would have no idea wtf this was. ;o[2016-2-28. : 12:12 am] O)FaRTy1billion[MM] -- xD at least I can now understand what I'm looking at when I see the simplified ones[2016-2-28. : 12:10 am] O)FaRTy1billion[MM] -- I wonder if I could simplify matrix rotations and shit with this though[2016-2-28. : 12:10 am] O)FaRTy1billion[MM] -- I've used it, I just don't like that there are 60,000 identities that I have to memorize [2016-2-28. : 12:05 am]  Lanthanide -- but with the advent of the internet, I just google "trigonometry calculator" and find the one I need |
