knappa

9 ms·

61.
by knappa 9y ago
It's numerically unstable and O(n^3) (at least, probably worse) when computing via row reduction is O(n^2).
62.
by knappa 9y ago
That's not true for x=2 : 2^4 = 6 mod 10 Also, 4 does not divide the order of the multiplicative group of Z/2Z. i.e. 4 does not divide 1. (Also, the claim was that x^5 = x mod 10 not x^5=1, but I assume that's a typo.)
63.
by knappa 9y ago
General robot job replacement related issues aside, this robot only holds enough for 50 salads and, based on the video, seems painfully slow. It doesn't seem ready for a lunchtime rush.
64.
by knappa 9y ago
This is Penrose's argument. One issue with this line of thinking is that it confuses a system which produces infallible proofs and the human brain. None of those theorems actually apply to people; we may gain quite a bit by being wrong
65.
by knappa 9y ago
I think that I'll probably clean a bit before I forward this one to my wife.
66.
by knappa 9y ago
> I talked to a teacher friend about this, and while he thinks its great, I think it's ridiculous. It seems to me that having parents and teachers praise hard work are different things. Kids likely aren't looking for the same k
67.
by knappa 9y ago
>Give me a motivated adult who understands basic arithmetic, and I can help him or her master algebra in six to eight weeks. Well, teaching _motivated_ students is easy and fun. The question is, though, what about the semi-motivated stud
68.
by knappa 9y ago
That's another proposed change in Java 10, both part of Project Valhalla: http://www.jesperdj.com/2015/10/12/project-valhalla-generic-...
69.
by knappa 9y ago
The issues page has a report of the same error (as does my i5-6600) and the author says: >Ok, I'm /inclined/ to believe that this indicates that the system doesn't implement AMT at all, but I'll try to do some mo
70.
by knappa 9y ago
You could also go for the University of Southern North Dakota at Hoople. https://en.wikipedia.org/wiki/Peter_Schickele https://en.wikipedia.org/wiki/P._D._Q._Bach
71.
by knappa 10y ago
> I don’t need to know how to code or shoot in 360 degrees or big rights to music, but I do need to know the very best people who can. We can't all be managers. > We can’t begin to imagine a career in 2020, let alone 2030. Come o
72.
by knappa 10y ago
Unless you mean something different from the usual multilinear algebra meaning of "exterior algebra", xy^yz is zero. (It contains two y's.) I think that you must actually mean Clifford algebras. (But there are also signs when
73.
by knappa 10y ago
The amortization is the average and is O(1). The claim is that the worst case (when the table becomes relatively saturated and a resize is required) is O(N^0.5). I don't really buy that and the supplied link doesn't really make th
74.
by knappa 10y ago
No O(√N) is O(N^0.5)
75.
by knappa 10y ago
They are only informally standardized, but are usually quite consistent between colleges/universities. You have single-variable differentiation, integration, and applications. Possibly some of the easier differential equations. The hig
76.
by knappa 10y ago
And why did they misspell Matrices as "Matrixes"?