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0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
I had heard ( read ) it somewhere that Tomasz is doing Masters or PhD in Maths.
So why don't you post some interesting maths stuff that is useful for
a programmer (especially asm programmer)?
And anyone else who too is involved in Maths, I request to you too,
guys please post some Math stuff that's useful in asm programming.

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28 Sep 2007, 09:53
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
And if it is still unclear as what I want to say:

For example, for starting up, post some info about how to rotate a point
in 3D. And please explain the Maths behind it, along with how it can be
done in asm.

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28 Sep 2007, 09:56
vid
Verbosity in development

Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
there were such things posted by tomasz already, about division by multiplying. try searching, or maybe someone will post a link.

i quess rotating point in 3D is too mundane task for tomasz, you can figure that out with knowledge of trigonometry and common sense.
28 Sep 2007, 21:19
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
fine!

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29 Sep 2007, 04:31
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
Tomasz can you please post a formula for finding primes?

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29 Sep 2007, 10:28
polygon7

Joined: 14 Aug 2003
Posts: 62
Location: Poznan, Poland
polygon7
0.1 wrote:
Tomasz can you please post a formula for finding primes?

Hi,
search for "Sieve of Eratosthenes" in google and for "prime number" on mathworld.wolfram.com.

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best regards
p7
02 Oct 2007, 20:20
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
Thanks polygon7!
I know the sieve method
But I had heard that there is no direct way to find an N-digit prime number
And if someone had such a formula he would be ruling the entire computer
based IT industry, be it banks, defense or stock markets etc.

And I heard it on a TV serial - NUMB3RS on AXN

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04 Oct 2007, 10:21
Chewy509

Joined: 19 Jun 2003
Posts: 297
Location: Bris-vegas, Australia
Chewy509
0.1 wrote:

But I had heard that there is no direct way to find an N-digit prime number

Correct, there is no current method to factorise any number n(1). If we could, RSA (and Public Key Encryption) would be marked as broken...

Hint: Your Public key = Private Key 1 * Private Key 2. Where Both private keys are prime numbers.
04 Oct 2007, 23:41
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
Thanks Chewy509!

I hope Tomasz will soon awake the Mathematician in him and will go to
solitude for a period of time and will come up with the solutions, and will
give it to me using PM on this board, and I will then become richer than
Bill Gates!

Day dreaming . . .

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05 Oct 2007, 05:12
ATV

Joined: 31 Aug 2004
Posts: 109
Location: Finland
ATV
0.1 check "Prime Finder" in Hugi Size Coding Compo #12
http://www.hugi.scene.org/compo/compoold.htm#compo12

Maybe you can change that 1 million limit something like 4294967295th prime or even more

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6213186413*2^605+1 divides Fermat F(600) and 121531*2^30260+1 divides Fermat F(30256)
05 Oct 2007, 07:04
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
Geeeeee!
ATV, you're asking me to do that
I am very *DUMB* at Maths and *Assembly Language*

Yeah, Tomasz may do that, but he seems toooooooooooooooooooo
busy these days (he always IS)!

PS:
Not tu menshan my puar inglish

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05 Oct 2007, 07:10
edfed

Joined: 20 Feb 2006
Posts: 4237
Location: 2018
edfed
thales and phytagore are the basis of 3D

and to find a prime number ( thing that is fully unusefull for me)
you have to divide the number? by all prime numbers that are at max the half of your number?

logic

to do 3d there are a lot of exemples in asm
07 Oct 2007, 01:39
rugxulo

Joined: 09 Aug 2005
Posts: 2341
Location: Usono (aka, USA)
rugxulo
0.1, look through the old VLA DOS tutorials, some easy 3D stuff there.
07 Oct 2007, 04:23
0.1

Joined: 24 Jul 2007
Posts: 474
Location: India
0.1
Thanks edfed & rugxulo !

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08 Oct 2007, 04:38
Furby

Joined: 01 May 2007
Posts: 74
Location: Kraków, Poland
Furby
Kill all the 0.1's
08 Oct 2007, 15:21
vid
Verbosity in development

Joined: 05 Sep 2003
Posts: 7105
Location: Slovakia
vid
Furby: ?!?!?
08 Oct 2007, 16:37
edfed

Joined: 20 Feb 2006
Posts: 4237
Location: 2018
edfed
happy 4444 posts Vid

happy 4444 posts Vid

happy 4444 posts Vid

happy 4444 posts Vid

09 Oct 2007, 00:31
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