mersenneforum.org  

Go Back   mersenneforum.org > Search Forums

Showing results 1 to 25 of 1000
Search took 0.29 seconds.
Search: Posts Made By: Dr Sardonicus
Forum: Homework Help 2021-11-27, 15:16
Replies: 22
Views: 3,858
Posted By Dr Sardonicus
Clearly binomial(p-1,0) = 1 = (-1)^0, so it's...

Clearly binomial(p-1,0) = 1 = (-1)^0, so it's true for k = 0. Simplify the ratio binomial(p-1,k+1)/binomial(p-1,k) [you wind up with one linear term in the numerator and one in the denominator]. ...
Forum: Lounge 2021-11-27, 13:38
Replies: 1,808
RIP
Views: 188,491
Posted By Dr Sardonicus
Stephen Sondheim...

Stephen Sondheim (https://www.bbc.com/news/entertainment-arts-52125017)
Forum: Lounge 2021-11-27, 03:48
Replies: 1,515
Views: 160,188
Posted By Dr Sardonicus
Curiously, Africa heretofore seems to have had a...

Curiously, Africa heretofore seems to have had a fairly low incidence of COVID-19 despite low vaccination rates.

Now, a new variant shows up in southern Africa - and elsewhere.

Are people...
Forum: Lounge 2021-11-26, 19:10
Replies: 53
Views: 5,727
Posted By Dr Sardonicus
"Under a low grill?" Broil on low, perhaps? ...

"Under a low grill?" Broil on low, perhaps?

Do you mean Vade retro Satana ?
Forum: Lounge 2021-11-26, 18:47
Replies: 53
Views: 5,727
Posted By Dr Sardonicus
Southern Corn Pudding Based on the recipe in...

Southern Corn Pudding

Based on the recipe in my mom's old Fannie Farmer cookbook

You will need

A buttered casserole dish of 3-pint capacity, and a pan big enough to hold the casserole dish...
Forum: Lounge 2021-11-26, 15:50
Replies: 53
Views: 5,727
Posted By Dr Sardonicus
All I can figure is, you've never had the real...

All I can figure is, you've never had the real deal.

Make no mistake, I've eaten my share of the boxed or Velveeta-based travesties alternatives, and would do so again in a pinch. God help me, I...
Forum: Lounge 2021-11-26, 15:08
Replies: 53
Views: 5,727
Posted By Dr Sardonicus
Spaghetti sauce (and many other dishes) do seem...

Spaghetti sauce (and many other dishes) do seem better the next day. My mom said overnight refrigeration gave the flavors time to mingle, and I think she was right. It's also easy to remove excess...
Forum: Astronomy 2021-11-24, 21:05
Replies: 29
Views: 2,480
Posted By Dr Sardonicus
Thanks! I could probably watch videos of rockets...

Thanks! I could probably watch videos of rockets blowing up all day - as long as they didn't involve anyone getting injured or killed.

There was a story about about the Vanguard TV-3 failure -...
Forum: Astronomy 2021-11-24, 17:26
Replies: 29
Views: 2,480
Posted By Dr Sardonicus
Christmas! What could possibly go wrong?...

Christmas! What could possibly go wrong? (https://www.youtube.com/watch?v=g79K-R7xTFo) (YouTube video)
Forum: Lounge 2021-11-24, 13:32
Replies: 270
Views: 34,221
Posted By Dr Sardonicus
On Wednesday, November 24, 1971, a man going by...

On Wednesday, November 24, 1971, a man going by the name "Dan Cooper" AKA "D. B. Cooper" hijacked a flight from Portland to Seattle, ultimately parachuting from the 727 at 10,000 feet in a...
Forum: Astronomy 2021-11-24, 00:04
Replies: 29
Views: 2,480
Posted By Dr Sardonicus
Launch of new NASA space telescope delayed after...

Launch of new NASA space telescope delayed after incident (https://apnews.com/article/space-launches-space-exploration-science-business-europe-3952579f91e46b1d392f8ae40f0f18c1)
Forum: Marin's Mersenne-aries 2021-11-23, 13:56
Replies: 60
Views: 3,959
Posted By Dr Sardonicus
Oops. I really outdid myself that time! I meant...

Oops. I really outdid myself that time! I meant 2025.

:missingteeth: :missingteeth: :missingteeth: :missingteeth:
Forum: chalsall 2021-11-23, 02:26
Replies: 26
Views: 421
Posted By Dr Sardonicus
I don't know much about electrical grids or power...

I don't know much about electrical grids or power generation, but I have downloaded the 4 volumes. I started to read, but my eyes soon crossed and glazed over. Luckily, firejuggler, who evidently...
Forum: Marin's Mersenne-aries 2021-11-23, 01:58
Replies: 60
Views: 3,959
Posted By Dr Sardonicus
Check at Mersenne.org: That's 4505 exponents...

Check at Mersenne.org:

That's 4505 exponents in 21 days. At that rate, it would take about 1207 days to clear the remaining 258872 exponents, or around mid-March 2505 2025.

Of course, that...
Forum: Soap Box 2021-11-22, 21:21
Replies: 359
Views: 52,639
Posted By Dr Sardonicus
I got curious about whether the BBC...

I got curious about whether the BBC (https://www.bbc.com/news/uk-politics-59373237) might have left something out of an ITV reporter's question in its account:I looked elsewhere. The Daily Mail...
Forum: Lounge 2021-11-22, 18:52
Replies: 270
Views: 34,221
Posted By Dr Sardonicus
Friday, November 22, 1963 John Fitzgerald...

Friday, November 22, 1963

John Fitzgerald Kennedy, President of the United States, was assassinated.

EDIT: November 22 is also the Feast of Saint Cecilia. I don't know when or why November 22...
Forum: Lounge 2021-11-20, 16:25
Replies: 4,400
Views: 375,935
Posted By Dr Sardonicus
When xilman talks, the US government listens! ...

When xilman talks, the US government listens!

NASA seeks ideas for a nuclear reactor on the moon...
Forum: Math 2021-11-20, 14:55
Replies: 27
Views: 1,032
Posted By Dr Sardonicus
[/QUOTE] Is this your original "density...

[/QUOTE]
Is this your original "density ratio?"
Forum: Lounge 2021-11-20, 14:16
Replies: 4,400
Views: 375,935
Posted By Dr Sardonicus
Besides simply being eaten without buns, or with...

Besides simply being eaten without buns, or with alternative wraps, "orphan" hot dogs can be sliced and added to other things - baked beans, macaroni and cheese, etc.

I note that in some cases,...
Forum: Homework Help 2021-11-20, 13:51
Replies: 22
Views: 3,858
Posted By Dr Sardonicus
You could simply check a^2 (mod 8) for all four...

You could simply check a^2 (mod 8) for all four possible cases of a (mod 8). Then a^6 = (a^2)^3.

Note that knowing a^2 (mod 8) means you know a^2 (mod 4).
Forum: Homework Help 2021-11-19, 20:47
Replies: 1
Views: 97
Posted By Dr Sardonicus
I assume "E" means the 2x2 identity matrix...

I assume "E" means the 2x2 identity matrix matid(2) and M47 means 2^47 - 1.

Unfortunately, M^2 is not congruent to matid(2) modulo 2^47 - 1.

? M=[37822,2730;2730,197];T=M^2
%1 =
[1437956584...
Forum: Lounge 2021-11-19, 13:34
Replies: 1,515
Views: 160,188
Posted By Dr Sardonicus
COVID-19's first known case was a vendor from...

COVID-19's first known case was a vendor from Wuhan wet market, Arizona scientist says, disputing WHO report...
Forum: Math 2021-11-18, 20:25
Replies: 27
Views: 1,032
Posted By Dr Sardonicus
The Prime Number Theorem (PNT) gives the...

The Prime Number Theorem (PNT) gives the asymptotic estimate N/log(n) - (N/2)/log(N/2) which is approximately (1/2)*N/log(N)) for the number of primes between N/2 and N.

The Hardy-Littlewood...
Forum: Miscellaneous Math 2021-11-18, 16:16
Replies: 7
Views: 244
Posted By Dr Sardonicus
And what?[/QUOTE]And you'll see that the...

And what?[/QUOTE]And you'll see that the congruence you asked about holds as a polynomial congruence (mod x2(x3 + y3)).
Forum: Lounge 2021-11-18, 14:52
Replies: 1,145
Views: 101,533
Posted By Dr Sardonicus
Really? The Oort Cloud (whose existence AFAIK is...

Really? The Oort Cloud (whose existence AFAIK is supported more by statistical inference than hard evidence) is hypothesized to be between 2000 and 100000 AU from Mr. Sun.

If you know a way to...
Showing results 1 to 25 of 1000

 
All times are UTC. The time now is 08:39.


Sun Nov 28 08:39:43 UTC 2021 up 128 days, 3:08, 0 users, load averages: 0.68, 0.91, 0.93

Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2021, Jelsoft Enterprises Ltd.

This forum has received and complied with 0 (zero) government requests for information.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation.
A copy of the license is included in the FAQ.