Forum: Lounge
2020-10-10, 22:40
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Replies: 85
Views: 11,279
MY attempt at interesting facts.
Auschwitz was the German name given to the Polish town called Oswiencim.
Freshly cut glass is the sharpest thing known.
Typhoon is the name of any cyclone in the Pacific.
A triangle...
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Forum: Math
2020-10-10, 16:54
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Replies: 2
Views: 1,616
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Forum: Math
2020-10-06, 13:18
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Replies: 2
Views: 1,616
finding unimodular substitutions
Hi,
does anyone know a method for finding a unimodular substitution from one
binary quadratic form ( \( ax^2 + bxy + cy^2 \) ) to another given that they are equivalent?
I'd like a find...
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Forum: Math
2020-08-05, 14:58
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Replies: 6
Views: 3,723
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Forum: Math
2020-08-05, 11:50
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Replies: 6
Views: 3,723
module 2^p - 1
Hi,
I understand the iteration sequence of the Lucas-Lehmer test involves using
module (2^p-1) arithmetic. How do computers running these such a test cope with numbers with 20+ million digits?
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Forum: Homework Help
2020-04-13, 18:49
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Replies: 8
Views: 9,101
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Forum: Homework Help
2020-04-13, 16:11
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Replies: 8
Views: 9,101
Except I still don't know how it can be
...
Except I still don't know how it can be
that if \[ F(x) = \prod_{R}(x - \zeta^{R}) \] has a constant term,
then \[ F(\zeta) = A_{0}(x)\eta_{0} + A_{1}(x)\eta_{1} \]
as it seems to me...
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Forum: Homework Help
2020-04-13, 15:44
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Replies: 8
Views: 9,101
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Forum: Homework Help
2020-04-13, 11:47
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Replies: 8
Views: 9,101
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Forum: Homework Help
2020-04-11, 15:00
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Replies: 8
Views: 9,101
need guidance with some maths
Hi, I've been trying to understand some maths in one of my text books for a long time now. I've written out all the relevant material and then explained why I can't understand it. If anyone can point...
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Forum: Homework Help
2020-03-17, 14:36
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Replies: 3
Views: 9,496
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Forum: Homework Help
2020-03-17, 12:45
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Replies: 3
Views: 9,496
something about a sum
Hi, can anyone explain this?
\[S=\sum_{v=-\infty}^{\infty}\int_0^Ne^{2\pi ivx+2\pi i\frac{x^2}{N}} \mathrm{d}x\]
\[=N\sum_{v=-\infty}^{\infty}\int_0^1e^{2\pi iN(x^2+vx)} \mathrm{d}x\]
...
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Forum: Homework Help
2020-03-04, 11:39
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Replies: 7
Views: 7,160
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Forum: Homework Help
2020-03-03, 21:36
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Replies: 7
Views: 7,160
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Forum: Homework Help
2020-03-03, 14:24
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Replies: 7
Views: 7,160
algebraic numbers
Can anyone help me understand how to work out the degree of an algebraic number?
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Forum: Homework Help
2020-02-25, 17:01
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Replies: 9
Views: 7,159
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Forum: Homework Help
2020-02-24, 20:40
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Replies: 9
Views: 7,159
Thanks.
Are you substituting \(e^{-u}\)...
Thanks.
Are you substituting \(e^{-u}\) for \(x\) ? What are you doin with \(u\)?
Also, in case there's an obvious remedy to my latex not parsing properly, here's an example of what I...
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Forum: Homework Help
2020-02-24, 09:51
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Replies: 9
Views: 7,159
clarification
I aught to mention that
\( L(s)=\sum_{n=1}^{\infty}\big(\frac{n}{q}\big)n^{-s}\)
for which
\(\big(\frac{n}{q}\big)\) is the Legendre symbol as is it is the first post.
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Forum: Homework Help
2020-02-24, 07:52
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Replies: 9
Views: 7,159
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Forum: Homework Help
2020-02-23, 17:31
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Replies: 9
Views: 7,159
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Forum: Homework Help
2020-02-03, 16:04
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Replies: 8
Views: 7,546
Merci.
Merci beaucoup docteur. Quelque choses a faire maintenant.
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Forum: Homework Help
2020-01-30, 09:31
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Replies: 8
Views: 7,546
infinite products
I've got a maths degree but I was never taught about infinite products. I'd like to ask something : when do people usually learn about infinite products?
I suppose it must be at masters level...
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Forum: Homework Help
2020-01-14, 14:54
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Replies: 3
Views: 7,412
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Forum: Homework Help
2020-01-14, 12:38
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Replies: 3
Views: 7,412
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Forum: Software
2019-11-13, 11:26
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Replies: 14
Views: 2,496
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