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Forum: Lounge 2020-12-03, 12:36
Replies: 4,152
Views: 266,764
Posted By retina
Python

>>> 0**-1
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
ZeroDivisionError: 0.0 cannot be raised to a negative power
>>> You lie! Because ...>>> 0**float('-inf')
inf...
Forum: Lounge 2020-12-03, 08:53
Replies: 6
Views: 105
Posted By retina
Be interesting to see if the HDD is still...

Be interesting to see if the HDD is still working.

And the capacitors in the PSU might fail if they have dried out. They might be fine but just need some conditioning to bring them back to working...
Forum: Puzzles 2020-12-02, 07:09
Replies: 19
Views: 513
Posted By retina
I tried your suggestion of including even...

I tried your suggestion of including even population counts (but not your suggestion of 5 nested while loops).

And I find 1336 results.

Also, I now find 104 results for the original puzzle,...
Forum: Puzzles 2020-12-02, 03:18
Replies: 19
Views: 513
Posted By retina
The way I understood it was to simply generate a...

The way I understood it was to simply generate a set of populations, compute what is the most number of votes achievable and still lose on the electors count, then see if the total votes divided by...
Forum: Puzzles 2020-12-01, 22:28
Replies: 19
Views: 513
Posted By retina
If you ignore the ordering, and just consider the...

If you ignore the ordering, and just consider the raw population counts, then 67 results. If you account for the ordering then a lot more than 67 results.

I only included odd population numbers,...
Forum: Puzzles 2020-12-01, 12:33
Replies: 19
Views: 513
Posted By retina
I count 67 unique solutions. :confused: Have...

I count 67 unique solutions. :confused:

Have puzzles in the past had multiple solutions, or did I just make a mistake somewhere?
Forum: Lounge 2020-12-01, 08:38
Replies: 18
Views: 444
Posted By retina
Option 1 is just Groundhog Day...

Option 1 is just Groundhog Day (https://en.wikipedia.org/wiki/Groundhog_Day_%28film%29) (the film) AFAICT.

If you get to keep trying things out, then absolutely that is the only "correct" option...
Forum: Lounge 2020-11-30, 14:21
Replies: 4,152
Views: 266,764
Posted By retina
It would depend upon their velocity. Which in...

It would depend upon their velocity. Which in turn would depend upon the atmospheric density, and the height they originate from.
Forum: Lounge 2020-11-25, 22:49
Replies: 4,152
Views: 266,764
Posted By retina
I go further. No JS, no 3rd party images, and no...

I go further. No JS, no 3rd party images, and no iframes. The web is so quiet and snappy for me. :smile:
Forum: Lounge 2020-11-25, 14:36
Replies: 4,152
Views: 266,764
Posted By retina
Are you saying you use your "free" browser for...

Are you saying you use your "free" browser for purposes that don't make advertising money for the providers? That means you are stealing! :shock:

Well, at least I'm sure they see it that way. And...
Forum: Lounge 2020-11-19, 13:30
Replies: 4,152
Views: 266,764
Posted By retina
You will have trouble to get cash, but you can...

You will have trouble to get cash, but you can write cheques. And then your cheques bounce (and you get fined).

It is abused for fraud (of course).

If you have a place to rent:
You: I'm...
Forum: Lounge 2020-11-18, 22:47
Replies: 4,152
Views: 266,764
Posted By retina
Sure, but the US is "special" when dealing with...

Sure, but the US is "special" when dealing with banking.

The funds show up in the account very quickly, BUT they still haven't been cleared. So now you think you have the funds, but actually you...
Forum: FermatSearch 2020-11-18, 22:42
Replies: 58
Views: 2,972
Posted By retina
I think your sarcasm detector is malfunctioning. ...

I think your sarcasm detector is malfunctioning.

Or maybe mine is?

Both of us?
Forum: FermatSearch 2020-11-17, 14:11
Replies: 58
Views: 2,972
Posted By retina
The main difference between F33 and pi is that we...

The main difference between F33 and pi is that we are only computing the value of pi. We can also compute the value of F33 easily.

The hard part is to test F33 for primeness. We will never test pi...
Forum: FermatSearch 2020-11-17, 14:01
Replies: 58
Views: 2,972
Posted By retina
Hehe. Yeah, 1085 and 285 is only 8...

Hehe.

Yeah, 1085 and 285 is only 8 different. So close it is. You are right. :razz:

Touché.
Forum: ONeil 2020-11-16, 03:04
Replies: 48
Views: 1,103
Posted By retina
Here is something for free to help you "make it...

Here is something for free to help you "make it faster".

There is a three operand form of pow in Python. It is much faster than ** for large p with a small modulus.

Now have at it, and beat...
Forum: ONeil 2020-11-15, 14:45
Replies: 48
Views: 1,103
Posted By retina
I think you misunderstand the genius of the code....

I think you misunderstand the genius of the code.

It says right near the beginning "Enter a Prime Number: ". So you see, you are not permitted to enter composite numbers.
Forum: ONeil 2020-11-15, 06:07
Replies: 48
Views: 1,103
Posted By retina
Do you know about Fermat's little theorem...

Do you know about Fermat's little theorem (https://en.wikipedia.org/wiki/Fermat%27s_little_theorem)?

That is what you have done.
Forum: Soap Box 2020-11-14, 14:26
Replies: 564
Views: 29,401
Posted By retina
From his behaviour I get the impression that if...

From his behaviour I get the impression that if Trump could, he would change the law(s) to simply declare himself the winner of all elections regardless of the vote, and allow himself to stay in...
Forum: ONeil 2020-11-13, 14:33
Replies: 18
Views: 608
Posted By retina
Yes, they are speed-up computations. So...

Yes, they are speed-up computations.

So whenever someone says it isn't fast enough, then you just remove one of them and now it is faster. It's pure genius!
Forum: Math 2020-11-13, 02:58
Replies: 3
Views: 183
Posted By retina
I'm not sure what your actual question is. ...

I'm not sure what your actual question is.

Are just trying to find perfect numbers?

If so, then all Mersenne primes can be used to construct an even perfect number. This is easy.

A more...
Forum: Lounge 2020-11-12, 13:46
Replies: 1,639
Views: 90,334
Posted By retina
Swim. It will be faster. And you will feel better...

Swim. It will be faster. And you will feel better for it.

:shark:
Forum: FermatSearch 2020-11-12, 03:27
Replies: 58
Views: 2,972
Posted By retina
MM127 :razz: Now please, someone, prove me...

MM127 :razz:

Now please, someone, prove me wrong and find a factor of that retched thing.
Forum: Math 2020-11-11, 10:32
Replies: 14
Views: 261
Posted By retina
Looks fine to me. Better than the run-on line of...

Looks fine to me. Better than the run-on line of text.

This is what I see (with backslash replaced by forward slash to prevent your fancy JS from seeing it):
/((H^{-1})_{ij} = (-1)^{i+j}(i + j -...
Forum: Math 2020-11-11, 09:06
Replies: 14
Views: 261
Posted By retina
Yes, I know. Mathjax is JS, so therefore not...

Yes, I know.

Mathjax is JS, so therefore not happening here.
Showing results 1 to 25 of 1000

 
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