That is just a blatantly false statement. There are many patterns, the most obvious one being that the product of any number of consecutive primes starting at 2 plus 1 is a prime.
That is just a blatantly false statement. Consider (2 * 3 * 5 * 7 * 11 * 13) + 1 = 30031 = 59 * 509.
-jason
"If you're not part of the solution, you're part of the precipitate."
Another great resource is the Inverse Symbolic Calculator. Take that real number you've been trying to identify, and see what formula or combination of known constants might have generated it.
The integer sequence database has proven quite handy to me on several occasions. Kudos to N. J. A. Sloane for creating and maintaining it, and to the people who keep contributing more good sequences!
-jason
"If you're not part of the solution, you're part of the precipitate."
I too was lucky enough to win a copy of any book I wanted in a semester-long programming contest (1 hard problem per month). Unfortunately, I only got to choose one book, so I kept winning it in succeeding semesters until I received all three! It saved me money that I surely would have spent on these fine volumes.
On another note, one of Knuth's 50-point problems was solved within the last few years. Check out this site to find out more about the problem, and its elegant solution. (The solvers' book, A=B, is available in PDF format until April 2000, I believe.) Knuth was so impressed by their work that he wrote the foreword for their book. Definitely cool stuff.
-jason
"If you're not part of the solution, you're part of the precipitate."
2. Is there any way to specify what order Slashboxes appear in? I decided to try adding a few more Slashboxes, but the poll is no longer at the top of the page, and that's annoying. If it's NOT possible, it really should be.
I assume you mean besides moving them up and down in bubble-sort fashion, by clicking the 'up' or 'down' arrows on the top-right corner of each slashbox. That is annoying, especially when you try moving the top slashbox up, or the bottom slashbox down -- what I expect to happen doesn't seem to happen. Maybe that's me, though.
At any rate, I agree that it would be nice to be able to specify their order beforehand in our preferences (leaving the up and down arrows for 'fine-tuning' of position). I imagine it wouldn't be too hard to implement -- instead of selecting slashboxes by clicking the boxes next to the ones you want, simply give each slashbox a number, and have the user put in an ordered list of numbers, denoting which slashboxes they want, and in what order they want them, e.g.
17,37,43,29,23,5
Of course, the string should be checked for unallowable (and possibly duplicate) values. This seems easy enough, no? It sure would be nice, especially for those who have a large number of slashboxes... who wants to use an O(n^2) sort anyway?:-)
-jason
"If you're not part of the solution, you're part of the precipitate."
I don't think you've used PDF. The search capacities in a pdf docuement are excellent fully boolean capable + page awareness (look for Doctor near the word Riverside).
Those capabilites are nice, but I think the original poster meant that you can't use grep and friends (i.e. the "text-based tools" to which he/she refers) to search your documents, which I agree would be a good thing. As it is now, you need to load your favorite pdf viewer to search for terms within the document.
-jason
"If you're not part of the solution, you're part of the precipitate."
Neato, of course... but suppose that mirror didn't have the latest kernel yet, and several thousand/.ers descended upon it using this method... that could be mucho-megabytes of wasted bandwidth, as those people would have to redownload the correct kernel that they wanted in the first place.
I for one will stick to the old method. I want to know exactly what I'm getting... especially since I'm not on a fast link.:-(
The worst I've done is fried an LED display, trying to screw it back into place while the computer was on, after adjusting it to show some strange Mhz amount.
But I didn't learn my lesson quickly enough, as later that very same day, I was screwing something back into the case, again with the computer on (how else?). The screw jumped out from under the screwdriver, and landed on top of the modem... one coruscating electrical bolt later, my computer had rebooted. Fortunately, nothing got fried. Needless to say, I've been very careful since.:-)
Finally! I've been waiting for this for months!
on
SETI@Home For Linux
·
· Score: 1
Nuh-uh! Looking for primes is pretty cool, I say. At least we have proof that the primes are out there!:-)
Besides, I can think of a lot of things I could do with a cool $50,000!
Then again, I'm a math nerd, so I'd be looking for primes anyway. Hey, I think I see one now...
That is just a blatantly false statement. There are many patterns, the most obvious one being that the product of any number of consecutive primes starting at 2 plus 1 is a prime.
That is just a blatantly false statement. Consider (2 * 3 * 5 * 7 * 11 * 13) + 1 = 30031 = 59 * 509.
-jason
"If you're not part of the solution, you're part of the precipitate."
Another great resource is the Inverse Symbolic Calculator. Take that real number you've been trying to identify, and see what formula or combination of known constants might have generated it.
The integer sequence database has proven quite handy to me on several occasions. Kudos to N. J. A. Sloane for creating and maintaining it, and to the people who keep contributing more good sequences!
-jason
"If you're not part of the solution, you're part of the precipitate."
I too was lucky enough to win a copy of any book I wanted in a semester-long programming contest (1 hard problem per month). Unfortunately, I only got to choose one book, so I kept winning it in succeeding semesters until I received all three! It saved me money that I surely would have spent on these fine volumes.
On another note, one of Knuth's 50-point problems was solved within the last few years. Check out this site to find out more about the problem, and its elegant solution. (The solvers' book, A=B, is available in PDF format until April 2000, I believe.) Knuth was so impressed by their work that he wrote the foreword for their book. Definitely cool stuff.
-jason
"If you're not part of the solution, you're part of the precipitate."
2. Is there any way to specify what order Slashboxes appear in? I decided to try adding a few more Slashboxes, but the poll is no longer at the top of the page, and that's annoying. If it's NOT possible, it really should be.
I assume you mean besides moving them up and down in bubble-sort fashion, by clicking the 'up' or 'down' arrows on the top-right corner of each slashbox. That is annoying, especially when you try moving the top slashbox up, or the bottom slashbox down -- what I expect to happen doesn't seem to happen. Maybe that's me, though.
At any rate, I agree that it would be nice to be able to specify their order beforehand in our preferences (leaving the up and down arrows for 'fine-tuning' of position). I imagine it wouldn't be too hard to implement -- instead of selecting slashboxes by clicking the boxes next to the ones you want, simply give each slashbox a number, and have the user put in an ordered list of numbers, denoting which slashboxes they want, and in what order they want them, e.g.
Of course, the string should be checked for unallowable (and possibly duplicate) values. This seems easy enough, no? It sure would be nice, especially for those who have a large number of slashboxes... who wants to use an O(n^2) sort anyway?-jason
"If you're not part of the solution, you're part of the precipitate."
I don't think you've used PDF. The search capacities in a pdf docuement are excellent fully boolean capable + page awareness (look for Doctor near the word Riverside).
Those capabilites are nice, but I think the original poster meant that you can't use grep and friends (i.e. the "text-based tools" to which he/she refers) to search your documents, which I agree would be a good thing. As it is now, you need to load your favorite pdf viewer to search for terms within the document.
-jason
"If you're not part of the solution, you're part of the precipitate."
sed s/mp3/pr0n/
Hey now, I'm only kidding! :-)
% mp3sum
1,960 mp3 files; 14,067,515,576 bytes worth of mp3s (~7,177,303 bytes/file)
%
Almost every time I go to ftp.cdrom.com, I get the "Sorry, we've reached our limit of 3000 users" message. That place is bizzzzzy.
And I don't think it would have any problems with bandwidth... I believe they've broken their own GB/day transfer records a couple of times now.
I have to say, by the subject of your message I thought you were going to suggest pointing the slashdot effect at that NT cluster in Redmond! :-)
I think that's the funniest thing I've heard all week.
Of course, I have no idea what you're talking about. ;-)
Neato, of course... but suppose that mirror didn't have the latest kernel yet, and several thousand
I for one will stick to the old method. I want to know exactly what I'm getting... especially since I'm not on a fast link. :-(
Why patch
Click the link on the left, near the top that says "Code".
No kidding! But who are you to complain, Mr. "I'm on a T-1 thanks to my college"? There are real modem users who need cachedot to be fixed!
-jason
( -500 - (2 x -500)/0 = +infinity
I think all of the mathematicians in the room are wincing right now.
And it's not because a parenthesis is missing. ;-)
The worst I've done is fried an LED display, trying to screw it back into place while the computer was on, after adjusting it to show some strange Mhz amount.
But I didn't learn my lesson quickly enough, as later that very same day, I was screwing something back into the case, again with the computer on (how else?). The screw jumped out from under the screwdriver, and landed on top of the modem... one coruscating electrical bolt later, my computer had rebooted. Fortunately, nothing got fried. Needless to say, I've been very careful since. :-)
Besides, I can think of a lot of things I could do with a cool $50,000!
Then again, I'm a math nerd, so I'd be looking for primes anyway. Hey, I think I see one now...