Mathematics - 2012-10-11 (page 3 of 4)

guys.. i have read that a function may converge to a root at x = p using newtons method even if f'(p) = 0...but how can that be because that would mean we would have to divide by zero which is not possible!

anon

@dukenukem Just because f'(p)=0 doesn't mean f' is zero at every point leading up to p.

Argon

7:51 PM

Hi

user19161

@Argon Hello! More chemistry today?

Argon

@JasperLoy Unfortunately, I have a quiz tomorrow.

And in computer engineering.

user19161

@Argon Anyway, why are we discussing chemistry here instead of the chem room?

user19161

Wait, is there even a chem SE?

Argon

Charlie

8:03 PM

@Argon hello!!!

user19161

@Argon Ah, you should consider joining.

Argon

@Charlie Hey!

@JasperLoy Don't worry, I don't have any questions today.

user19161

@Argon I'm not worried. It's interesting to discuss all things in this room.

Argon

@JasperLoy Just signed up

user19161

@Argon Wonderful, now they have to pay me royalties for recommending a new user!

Argon

8:06 PM

@JasperLoy They should, eh?

user19161

8:28 PM

Hello @old. You must have eaten dinner.

Old John

@JasperLoy Oh yes

what time is it there?

Jonas Teuwen

@JayeshBadwaik DOI sync you have to use.

Also, I trust more in the development of Mendeley. They have strong people behind them and paid developers with experience in OSS development as well.

Hi guys! Just back from the farewell symposium from a cool topology professor!

Old John

@JonasTeuwen topology is fun - was it a good symposium?

Jonas Teuwen

Sure.

user19161

8:44 PM

@JonasTeuwen Any beer? Send me some.

Jonas Teuwen

@JasperLoy Yes. Okay.

@JayeshBadwaik Thanks for the link.

Charlie

@Argon your chemistry test was today?

Argon

@Charlie Yup

I think I did okay

user19161

@Argon Good good, now have a beer.

Argon

@JasperLoy Tsk, tsk.

user19161

8:52 PM

@Argon Actually, I don't really have beer et al. I just do tea and coffee.

Charlie

@Argon good!!!

Argon

@JasperLoy That's more like it. Tea or hot chocolate though.

It's getting cold out :(

Charlie

@Argon :)

Argon

@Charlie Almost summer down in Brazil, eh?

Charlie

@Argon yeah...

now it's raining in here.... happens a lot

in summer

user19161

8:54 PM

@Charlie It rains here all year round, maybe once a week. And it's summer always!

Charlie

hot as hell and rain in the end of the day.like vivaldi's summer

Argon

It's started to snow out west already

Charlie

@Argon nice!

@JasperLoy wow

Argon

@Charlie Bad, you mean. It's too cold here already!!'

Charlie

@Argon what temperature?

Argon

8:56 PM

@Charlie 5-10 degrees C about now

Charlie

@Argon it's the temperature in the south of my country sometimes...

a couple of days ago

Old John

Definitely autumn here - leaves turning all sort of nice colours - winter is coming

Charlie

sweet!

user19161

After winter comes spring. After death comes new life.

Old John

@JasperLoy absolutely :)

Charlie

8:58 PM

Jasper and his Philosophy

Old John

Spring in the garden is fabulous - exciting. Autumn is more introspective.

Charlie

i like autumn

not so hot ,not so cold

user19161

Vivaldi's four seasons. I only heard parts of it.

Charlie

@JasperLoy you must listen all!

Argon

Fall is annoying. The leaves and plants die. It is uncomfortably cold outside, but not cold enough for snow.

Charlie

9:00 PM

interesting

Argon

So there is cold rain and it is always cloudy. Also, the days get shorter, making it hard for me to wake up.

Charlie

the seasons here is a little crazy.it's been the HOTTEST winter i've ever seen

user19161

@Charlie I must listen to M's voice. =)

Charlie

@JasperLoy I told you it's annoying

user19161

@Charlie Why so?

Old John

9:01 PM

We have just had the wettest summer that I can remember :(

Charlie

all my english teachers(and spanish too) always eulogized my english and spanish accents

@JasperLoy it is

Argon

@Charlie "elogized?"

Charlie

@JasperLoy ppeople say that i speak like a whisper..

that they can't listen to what i say

Argon

$e^{-x^2}$

Charlie

$\huge\text {Skullpatrol}$

skullpatrol

9:08 PM

$\huge\text {Charlie :-D}$

mick

So whats going on in the chat ?

$12$

Argon

$13$

mick

seems tex is not working here

Charlie

$14$

mick

$15$

Old John

9:09 PM

@mick you need to get chatjax

Charlie

@skullpatrol Wassup?

mick

How do I do that wise old john ?

Argon

45

A: Should chat have TeX support?

This bookmark processes the current page with MathJax. It has been modified from the bookmark on this page to handle $$...$$ and to handle \\[...\\] properly, to include AMS additions, and to update automatically. The COPY TO CLIPBOARD link on pastebin.com should copy the bookmark to your clipbo...

skullpatrol

@Charlie Not much, you?

anon

It's posted on the sidepanel in two places.

Charlie

9:10 PM

@skullpatrol good.why not much?

Old John

@mick see the link(s) on the right of your screen

mick

ok sec

skullpatrol

@Charlie Just because...

Charlie

@skullpatrol :(

@skullpatrol do you enjoy some rock'n'roll?

skullpatrol

@Charlie Don't be sad because 2 outta three ain't bad...

Charlie

9:13 PM

@skullpatrol okay

mick

too complicated for me

Old John

@mick what is?

mick

chatjax

im not going to download or work with java

skullpatrol

@Charlie Two Out of Three Ain't Bad

Old John

@mick narh - it is so easy that an old guy like me can install it - just drag the bookmarklet to the bookmark bar

Charlie

9:15 PM

@mick go here math.ucla.edu/~robjohn/math/mathjax.html

Old John

no need to mess with Java

mick

I dont know what a bookmarklet is ?

english is not so good

Old John

go to the page Charlie gave - and drag the link onto your bookmark bar in your browser

anon

you ust click and hold the blue link, drag it to your bookmarks bar / folder in your browser, and then go back to this tab and click the icon in your bar/ browser

Charlie

@mick these things which you open sites

@skullpatrol what a depressive song

skullpatrol

9:17 PM

@Charlie That's classic rock 'n roll...

mick

$9$

didnt work ?

gosh im retarded

Charlie

@skullpatrol for me THIS is rock'n'roll!

anon

hellz yea

mick

maybe it has to do with cookies

anon

@mick: what internet browser do you use?

mick

9:19 PM

ie

anon

and have you ever used the bookmarks bar / folder?

Charlie

@skullpatrol what do you think?

mick

dont think so

is it like favorites no ?

skullpatrol

@Charlie hmmm... I like it

anon

@mick yes

mick

9:21 PM

so how does adding something to favorites help ?

Charlie

@skullpatrol OH YEAH!

@skullpatrol C'MON!!!

anon

@mick then when you're in this tab (the chatroom), you click the icon in the favorites bar and chatjax activates

mick

ah ok but is it safe ?

im paranoid sorry

i dont trust software and stuff

anon

yes, it was made by the other owner of this chatroom, and the code is right there in the link for everyone to see

it's not software, it's a script, but whatever

skullpatrol

@Charlie I would prefer this

Charlie

9:24 PM

@skullpatrol Good, really good too!

mick

Ok i added it.

$5$

need to click it first

skullpatrol

@Charlie It's a bit more classic :-D

Charlie

@skullpatrol yes,yes.

mick

$5$

??

i added it , why doesnt it work

anon

obviously because you did something wrong, sigh

mick

9:25 PM

ah wait , i have to do both start and render right ?

anon

did you add the webpage into the favorites bar, or the actual code?

Charlie

@skullpatrol I like some Heavy metal

anon

@mick no

mick

then how ?

i did start

im gonna try

skullpatrol

@Charlie I enjoy all types of metal.

mick

9:27 PM

random clicking all the way :)

Charlie

@skullpatrol i'm not very fond of death metal...

mick

$5$

skullpatrol

@Charlie Too much of anything is no good.

mick

$5$

ok i added all to favorites and clicked all , still doesnt work

Old John

@mick Too much Collatz makes life difficult :)

mick

9:29 PM

that is not related ?

Charlie

@skullpatrol of course.

mick

do i have to use the axiom of choice to find the right combination out of this infinite amount of possibilities ? i used AC for my VCR in the past :)

anon

@mick do you have/know any good internet browsers? like firefox or chrome?

Old John

@mick Erdős was right - Collatz is not a problem ... it is a disease

3

mick

a lot math is a disease , unless you find statements such as the prime twins conjecture easy.

i have chrome ? why ? does that matter ?

i have to use @ more :)

skullpatrol

9:33 PM

@mick Is "start ChatJax" on your tool bar?

mick

@ old john in fact most of life is an unsolved problem ;)

Charlie

@skullpatrol you sound a bit melancholic lately...

user19161

@anon Isn't Internet Explorer also a good browser?

mick

@ skull patrol : no , i clicked it but nothing happened

i just got the warning :)

anon

@JasperLoy it might be these days and I'm just prejudiced from the past :-)

Old John

9:34 PM

@mick death is pretty conclusive :)

Charlie

@JasperLoy hahahahahahahhahahah

skullpatrol

@Charlie I'm Ok, how are you?

user19161

I got a smile from anon today, yay!

mick

not really Old John , its a mystery too.

Charlie

@skullpatrol i'm preety fine.actually i've been feeling really good lately!

mick

9:35 PM

death is like the halting problem :)

Old John

@mick still conclusive - not many people have come back to complain that it wasn't :)

user19161

@Charlie You are pretty fine because you are pretty and fine. QED.

mick

On your tumbstone : Old John finally halted :)

skullpatrol

@Charlie That's good to hear :-D

Charlie

@JasperLoy huh... how can you state that?

Old John

9:36 PM

@mick I would rather have "I always said I wasn't well" :)

user19161

@Charlie Well, whatever.

user19161

My tombstone will read "Finally left for a better life".

skullpatrol

@mick Do you have "render MathJax" on your tool bar?

mick

forget this mathjax for now.

Charlie

@JasperLoy "Well whatever" he says...

user19161

9:37 PM

@Charlie Another mysterious remark.

mick

$5$

Charlie

you only have to drag the motherfuckin' start

@JasperLoy there's nothing mysterious about it

mick

@ Charlie : i did that

user19161

OK @mick which browser are you using?

mick

Ill try chrome tomorrow

thanks for trying to help

Charlie

9:38 PM

@mick drag and release in your book mark....

user19161

I think Chrome is over-rated.

Charlie

will start to load and your done

mick

@ Charlie : i used " add to favorites " , is that the same ?

user19161

In fact, I would rank Firefox > Internet Explorer > Chrome.

mick

I had problems with all browsers and all computers

user19161

9:40 PM

But many reviews say that Chrome > Firefox > Internet Explorer.

Charlie

@skullpatrol :|

@JasperLoy much better

user19161

@Charlie NO!

mick

@skullpatrol : i did !

Charlie

@Skull why did you remove?

mick

hey

skullpatrol

9:41 PM

@Charlie No hard feelings :)

mick

remove ?

user19161

Also, I am still waiting for skull and anon to reveal their identities. I guess I will wait a few more years.

mick

do you get reputation for revealing identity ? :)

Charlie

@skullpatrol you're the first who says something like that...

@mick hahahahah

no.

Old John

@JasperLoy Hmm - you don't want me to reveal my identity? :((

mick

9:42 PM

not bad either ? ;)

user19161

@OldJohn I already know you are John! I don't even know the other two's names.

mick

sounds to gay to me to do :)

Old John

@JasperLoy but is that my real name??

user19161

@OldJohn I believe it is. Is it?

mick

will the search for old johns identity halt ? is it decidable ?

Old John

9:43 PM

@JasperLoy Indeed it is :)

mick

lalalalalala

skullpatrol

What happened to John Junior?

Charlie

na na na nanana nananan hey jude

@skullpatrol what happened to him?

user19161

@mick Don't use gay too much, some people don't like the word. There have been many stupid flags in this room.

Old John

@mick did you get any references to Collatz-like sequences? I came across some years ago

mick

9:44 PM

gay gay gay :)

user19161

Either those people don't like gays or they think we don't like gays. The first is stupid and the second is untrue.

Charlie

@JasperLoy man, if someone else got flaged for stupid reason... i will a reason to be flaged....

user19161

@Charlie I already got flagged for saying "I am naked".

skullpatrol

Beatles songs should be flagged.

Charlie

did you realize the if you put "if you know what i mean " in the end of sentences, it gains a double meaning?

mick

9:45 PM

@JasperLoy : are you ?

Charlie

@skullpatrol what?Come together, right know...

user19161

@mick Not now.

mick

@ charlie : lol

Charlie

I'm the walrus

skullpatrol

Come together, right now.."if you know what i mean "

mick

9:47 PM

@ everyone am I pinging correct ?

Charlie

@skullpatrol HAHAHAHAHA

user19161

@mick Wrong.

Charlie

@skullpatrol You can't come together, Skull...sorry

mick

@JasperLoy : How about this ?

skullpatrol

@Charlie I don't know what you mean "if you know what i mean "

user19161

9:48 PM

@mick Either use tab complete or use @ with the first three letters or click on the right arrow to reply.

user19161

@mick So that is correct as it is probably tab complete.

mick

I did that ?

Old John

@skullpatrol I never know what I mean :(

Charlie

@skullpatrol you live in a black hole... you can't leave there...nothing can...

mick

@JasperLoy Like this ?

user19161

9:49 PM

@anon May I ask you if you are a boy or girl? It's OK if you don't want to say.

skullpatrol

@OldJohn LOL

user19161

@mick Also correct.

mick

@OldJohn : John did you start a new room ? Or do i just see your star on the right of your comment here ?

I mean erdos comment about collatz

Charlie

only star

2

Old John

@mick the comments on the right are things that people have said which have been "starred"

user19161

9:51 PM

@OldJohn Starring is the opposite of flagging!

mick

Indeed :)

Old John

@JasperLoy inverse

user19161

@OldJohn Haha.

mick

i flagged myself :)

user19161

Someone once said that if someone does not say if he is a boy or girl, it is probably the latter.

Charlie

9:52 PM

nope

i said i am a girl

who starred me?

user19161

@Charlie That has nothing to do with my statement.

mick

Yes it is :)

@OldJohn : Yes it is :)

user19161

@mmyers Why art thou here?

mmyers

@JasperLoy Except that all 300 chat moderators see every flag

mick

haha , this sentense is not true :)

Charlie

9:54 PM

@JasperLoy ow ... he's a boy.

Old John

@mick no - it isn't :)

mick

We got liars paradox with starring ;)

user19161

@Charlie Who?

Charlie

anon

skullpatrol

@mmyers Is that what brings you here?

user19161

9:55 PM

@Charlie Oh, OK. Hmm, I think you emailed him once right?

mick

@OldJohn : you unstarred ? HOW you did that ?

Old John

@mick It is a secret power I have :)))

Charlie

@JasperLoy no

user19161

@Charlie Then how do you know?

Charlie

@mick click the star

mick

9:55 PM

Who is the moderator here ?

Charlie

@JasperLoy I KNOW

mmyers

@skullpatrol Indeed. It was a rather unusual flag, too

user19161

@Charlie No, I think anon and skull are both girls.

mick

LOL

im so stupid

Charlie

@JasperLoy then she's lesbian

skull

mick

9:57 PM

there are no girls on the internet !

its the rule of internet

user19161

@Charlie Better not use that term too much, some people don't like it.

Charlie

@mick so who am i?

mick

Your charlie

Charlie

@JasperLoy what?LESBIAN?

@mick my what?

user19161

@skullpatrol I see your man!

mick

9:58 PM

btw ppl i dont see your stuff in tex neither ?

user19161

@mick You need to enable chatjax.

Charlie

@Skull knock it off!

skullpatrol

@Charlie What?

mick

@OldJohn : about those papers about collatz , i havent seen many good ones. But that is too say I might expect too much. Such as proof :)

Charlie

@skullpatrol you post something then you remove it!!!

mick

9:59 PM

I have read billions of " proofs " :)

Transcript for

$Mathematics$ Mathematics