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Search: Posts Made By: wildrabbitt
Forum: Homework Help 2022-07-13, 06:13
Replies: 4
Views: 1,496
Posted By wildrabbitt
Thanks a lot. That's just the sort of thing I was...

Thanks a lot. That's just the sort of thing I was looking for.
Forum: Homework Help 2022-07-12, 19:50
Replies: 4
Views: 1,496
Posted By wildrabbitt
Thanks.

Thanks.
Forum: Homework Help 2022-07-12, 17:52
Replies: 4
Views: 1,496
Posted By wildrabbitt
a contour integral device

Hi, I'm reading a book and I need to know how to evaluate this integral :



\frac{1}{2\pi i}\int_{c-i\infty}^{c+i\infty}\frac{y^s}{s}ds


/ \frac{1}{2\pi...
Forum: Lounge 2020-10-10, 22:40
Replies: 85
Views: 12,165
Posted By wildrabbitt
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...
Forum: Math 2020-10-10, 16:54
Replies: 2
Views: 1,705
Posted By wildrabbitt
Thanks.

Thanks.
Forum: Math 2020-10-06, 13:18
Replies: 2
Views: 1,705
Posted By wildrabbitt
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...
Forum: Math 2020-08-05, 14:58
Replies: 6
Views: 3,788
Posted By wildrabbitt
Thanks. I suppose you mean...

Thanks.






I suppose you mean for calculating the squared term?
Forum: Math 2020-08-05, 11:50
Replies: 6
Views: 3,788
Posted By wildrabbitt
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?
Forum: Homework Help 2020-04-13, 18:49
Replies: 8
Views: 9,234
Posted By wildrabbitt
Multiplicative Number Theory by Harold Davenport...

Multiplicative Number Theory by Harold Davenport published by Springer (part of a series - Graduate Texts in Mathematics.


Thanks.
Forum: Homework Help 2020-04-13, 16:11
Replies: 8
Views: 9,234
Posted By wildrabbitt
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...
Forum: Homework Help 2020-04-13, 15:44
Replies: 8
Views: 9,234
Posted By wildrabbitt
Smile Thanks very much. That's just what I needed. I...

Thanks very much. That's just what I needed. I can get on now with your help :smile:
Forum: Homework Help 2020-04-13, 11:47
Replies: 8
Views: 9,234
Posted By wildrabbitt
Thanks for your interest. I wrote out what I...

Thanks for your interest.
I wrote out what I understand of it.


22024

22025
Forum: Homework Help 2020-04-11, 15:00
Replies: 8
Views: 9,234
Posted By wildrabbitt
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...
Forum: Homework Help 2020-03-17, 14:36
Replies: 3
Views: 9,605
Posted By wildrabbitt
Thanks to both of you. I do understand...

Thanks to both of you. I do understand integration by substitution but I didn't know what the substitution required was.
I should be able to do it now.
Forum: Homework Help 2020-03-17, 12:45
Replies: 3
Views: 9,605
Posted By wildrabbitt
something about a sum

Hi, can anyone explain this?



\[S=\sum_{v=-\infty}^{\infty}\int_0^Ne^{2\pi ivx+2\pi i\frac{x^2}{N}} \mathrm{d}x\]
\[=N\sum_{v=-\infty}^{\infty}\int_0^1e^{2\pi iN(x^2+vx)} \mathrm{d}x\]

...
Forum: Homework Help 2020-03-04, 11:39
Replies: 7
Views: 7,763
Posted By wildrabbitt
Thanks so much. It'll take me a while to absorb...

Thanks so much. It'll take me a while to absorb what the last two posts say.
I'm very grateful for the input.
Forum: Homework Help 2020-03-03, 21:36
Replies: 7
Views: 7,763
Posted By wildrabbitt
The book I'm reading says that given a qth root...

The book I'm reading says that given a qth root of unity \[\zeta\], every polyonomial in \[\zeta\] can be expressed as


\[A_1\zeta^1 + A_2\zeta^2 + A_3\zeta^3 +A_4\zeta^4...A_{q-1} +...
Forum: Homework Help 2020-03-03, 14:24
Replies: 7
Views: 7,763
Posted By wildrabbitt
algebraic numbers

Can anyone help me understand how to work out the degree of an algebraic number?
Forum: Homework Help 2020-02-25, 17:01
Replies: 9
Views: 7,336
Posted By wildrabbitt
I didn't really get the answer I was hoping for...

I didn't really get the answer I was hoping for so I thought I'd just ask the first things that it occurred to me to ask.


I do know how to make substitutions in integrals I just wasn't sure if...
Forum: Homework Help 2020-02-24, 20:40
Replies: 9
Views: 7,336
Posted By wildrabbitt
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...
Forum: Homework Help 2020-02-24, 09:51
Replies: 9
Views: 7,336
Posted By wildrabbitt
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.
Forum: Homework Help 2020-02-24, 07:52
Replies: 9
Views: 7,336
Posted By wildrabbitt
I just wrote what was written in the book. ...

I just wrote what was written in the book.


I'm pretty sure it's supposed to be


\(\log \frac{1}{x} \)


otherwise it would have been written the way you wrote.
Forum: Homework Help 2020-02-23, 17:31
Replies: 9
Views: 7,336
Posted By wildrabbitt
something I don't understand to do with Dirichlets theorem

Hi,

the following is something I've been reading.





He started from the power series
Forum: Homework Help 2020-02-03, 16:04
Replies: 8
Views: 7,668
Posted By wildrabbitt
Merci.

Merci beaucoup docteur. Quelque choses a faire maintenant.
Forum: Homework Help 2020-01-30, 09:31
Replies: 8
Views: 7,668
Posted By wildrabbitt
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...
Showing results 1 to 25 of 450

 
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