graycat

213 ms·

1351.
Solution of Google Lake Volume Puzzle
6 points by graycat 8y ago|1 comments
1352.
by graycat 8y ago
A Web browser can put video on the screen and audio on the speakers. So, any such browser should also be able to put video also into a file, say, file type MP4. Know of any browser that can do this?
1353.
by graycat 8y ago
Good that you mentioned the two families. And having 3-4 generations all right there is a big help. Also helping are having kids if only because it creates and orders the TODO list when a baby cries or a child needs food, shoes, etc. Also
1354.
by graycat 8y ago
There can be a lot of differences between now and then. I mentioned the main point -- not being alone. There's more: IIRC "The fundamental problem in life is getting security in the face of the anxiety from our realization that
1355.
by graycat 8y ago
Right. One reason housing is so expensive is both partners working and, thus, not having kids, in effect eating their seed corn, and wasting their money on nonsense. We don't need McMansions. We don't need so many bedrooms -- in
1356.
by graycat 8y ago
Everything the AI driven robots do will get done for less money, maybe a lot less. AI used for ad targeting will let advertisers get more for their money, spend less on ads per dollar of revenue, make advertising more efficient and, thus,
1357.
by graycat 8y ago
AI actually significantly effective in practical business would be strongly deflationary and put a lot of people out of work. The deflation would hurt people who have loans on real assets. Then the good news is, the Fed just prints enough
1358.
by graycat 8y ago
FDVS was written in 1942 when Halmos had just gotten his Ph.D. from J. Doob, author of Stochastic Processes in my list, at U. Illinois, and was an assistant to John von Neumann at the Institute of Advanced Study in Princeton. IIRC Hilber
1359.
by graycat 8y ago
Here are URLs of PDFs of two of the references above: Leo Breiman, "Statistical Modeling: The Two Cultures," Statistical Science , Vol. 16, No. 3, 199–231, 2001. http://projecteuclid.org/DPubS/Repository&#x2
1360.
by graycat 8y ago
Evar D. Nering, Linear Algebra and Matrix Linear Algebra and Matrix Theory* Kenneth Hoffmann And Ray Kunze. Linear Algebra , 2nd Edition, Prentice-Hall, Englewood Cliffs, New Jersey, 1971. https://www.zuj.edu.jo/download
1361.
by graycat 8y ago
For a species with a lot of weak, sick, or dead limbs on the tree, Darwin has a solution.
1362.
by graycat 8y ago
Nice answer. But since I studied a lot of optimization, I saw my linear programming answer first. On an interview, typically want to give the first correct answer do find. My answer is more general, and that is goodness. Indeed, you menti
1363.
by graycat 8y ago
You have an easier answer that is correct? Looking at the "solution" in the OP, there was a HUGE assumption NOT stated, implied, etc. in the statement of the question: The assumption was that the sides of the rectangles were para
1364.
by graycat 8y ago
Apparently one of the questions was: Q. Given X-Y coordinates of two rectangles, determine if they intersect or not. I'll try for an answer -- I looked up nothing, and it took longer to type in the answer than it took to think of it! A
1365.
by graycat 8y ago
Good to know. That is WAY beyond anything in the statistics in the pure/applied math department where I got my Ph.D. But in that department I ignored their interests in statistics as much as I could which was nearly total. As I menti
1366.
by graycat 8y ago
A short answer: Own the company.
1367.
by graycat 8y ago
What you said about a random number generator is a trivial test and has big problems with power (probability of Type II error) of the test. For power, I did mention Neyman-Pearson. In one paper I wrote on such things, multi-dimensional an
1368.
by graycat 8y ago
I saw lots of Gaussian in there and, sorry, missed the sign that said "just a passing mention" :-). From the classic limit theorems, Gaussian is crucial, but expecting real data from complicated situations to be Gaussian is a big
1369.
by graycat 8y ago
The OP has a problem: The algorithms don't give any significant, meaningful results. E.g., can run one of the algorithms, and it can report that there is an outlier or not, and in either case we have no idea if the answer is better tha
1370.
by graycat 8y ago
Yes, some of the photography is amazing. Part of the success is from some optics math on depth of field -- better with small cameras, and the solid state sensors permit that. E.g., the old idea was just a pinhole camera that didn't h
1371.
by graycat 8y ago
I can be more specific: > If you raised a Seed round, sooner or later you’ll be fund raising – again. This statement is very eager just to assume that each successful information technology (IT) startup will, naturally, of course, be doi
1372.
by graycat 8y ago
The guide is simplistic and wildly overly optimistic -- a founder raising a Series A could not expect such fast progress, e.g., weeks. Much more realistic and prudent are the common advice and reports of reality that fund raising is difficu
1373.
by graycat 8y ago
> What is an actual phenomenon that is well modeled by a poisson process? Geiger counter clicks. Arrivals between, say, 2-3 PM at a busy Web site. Equipment failures for equipment with a constant hazard curve -- if can find such equipm
1374.
by graycat 8y ago
It's all much easier than that: It's just the Poisson process, e.g., with a nice chapter in E. Cinlar, Introduction to Stochastic Processes . Buses come as arrivals . So bus arrivals are a stochastic arrival process where st
1375.
by graycat 8y ago
(1) GPS internals are awash in math. (2) Solid mechanics modeling, e.g., for jet engine turbine blades -- lots of math. (3) Molecular spectroscopy: Some group theory and group representations can write down the possible spectral lines. Th
1376.
by graycat 8y ago
Famous, significant, exemplary counterexample -- the Canadian romantic matchmaking Web site Plenty of Fish, long just one guy, I suspect no equity funding, two old Dell servers, about $10 million a year in revenue, all just from Google ads,
1377.
by graycat 8y ago
Yes, lots of startups need external funding, say, venture funding. But the US is awash, from border to border, in successful businesses, say, Main Street businesses, that never got external funding. They were, say, bootstrapped . Maybe
1378.
by graycat 8y ago
The OP was in part discussing education in the US and claiming that the education is inferior to the education in several other countries. Some of the evidence is some test scores on some tests given internationally. Okay: We're cons
1379.
by graycat 8y ago
Do the comparison again controlling on country of origin. E.g., how do US citizen students with families from Japan compare with students still in Japan? Instead of Japan, substitute Canada, India, Pakistan, the Philippines, South Korea
1380.
by graycat 8y ago
Yes, their start in virtual machine was their CP67/CMS. The CP67 abbreviated "control program 360/67" and was written at their Cambridge Scientific Center in Boston as an interactive computing tool for development of op

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