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by Cuchulainn
September 4th, 2005, 1:14 pm
Forum: Numerical Methods Forum
Topic: Finite difference - CFD technique
Replies: 525
Views: 318438

Finite difference - CFD technique

<t>Hi Blade, yes, this thread is top of the pops. We had a dip before the break, but will pick up now that people have stopped all that barbequeing Good to hear from you. I hope that you also take the time to relax sometimes as well. All work and no play Twofish is the new member and that is very go...
by Cuchulainn
September 3rd, 2005, 6:21 pm
Forum: Numerical Methods Forum
Topic: Finite difference - CFD technique
Replies: 525
Views: 318438

Finite difference - CFD technique

<r>QuoteOriginally posted by: twofishI found a cool paper in my "to read" stackhttp://<URL url="http://www.cs.uwaterloo.ca/~paforsyt/numcall.pdfIt">www.cs.uwaterloo.ca/~paforsyt/numcall.pdfIt</URL> turns out that in callable bonds you can get discontinuities in the value when the call option is exer...
by Cuchulainn
September 3rd, 2005, 1:17 pm
Forum: Off Topic
Topic: New Orleans: Holy Crap
Replies: 259
Views: 154876

New Orleans: Holy Crap

<t>> Indeed. But the failures here are repairs. ..., perilously close to being an engineer myselfDCFCYou have hit the nail on the head. It is engineering we are talking about. And an engineer is satisfied with a solution tht is 'good enough'. How many dams all over the world are in need of upgrade. ...
by Cuchulainn
September 3rd, 2005, 1:12 pm
Forum: Off Topic
Topic: New Orleans: Holy Crap
Replies: 259
Views: 154876

New Orleans: Holy Crap

<t>QuoteOriginally posted by: ppauperQuoteOriginally posted by: Cuchulainnthe marshes are being eroded. that's been discussed extensively,and a lot of the problem is that we've disrupted the sediment transport in the mississippi (due to attempts to stop the river flooding and also dredging to allow ...
by Cuchulainn
September 3rd, 2005, 1:00 pm
Forum: Off Topic
Topic: New Orleans: Holy Crap
Replies: 259
Views: 154876

New Orleans: Holy Crap

<t>QuoteOriginally posted by: mensa0I usually avoid responding to these types of threads but I have to jump in here. I am a scientist with a PhD so I believe in solid evidence over emotional reactions. reality, or just stay on your "anti-Bush, anti-big oil, anti-Iraq war, etc., treadmill?MikeHere's ...
by Cuchulainn
September 3rd, 2005, 12:38 pm
Forum: Off Topic
Topic: Yobs, antisocial behaviour and all that
Replies: 19
Views: 137880

Yobs, antisocial behaviour and all that

<r>Here's some Irish slang. The 'Full shilling' is a good one.BTW when I was talking to an English friend I was telling him that the 'crack' (craic) at a party was great. he started to get worried. He interpreted the word in a different way.Example'The crack was good in Crickle Wood'<URL url="http:/...
by Cuchulainn
September 3rd, 2005, 12:21 pm
Forum: Off Topic
Topic: Yobs, antisocial behaviour and all that
Replies: 19
Views: 137880

Yobs, antisocial behaviour and all that

<r>QuoteOriginally posted by: DCFCYes, Papercut it's backslang, almost extinct except for this.Few call themselves yobs, it's rather old fashioned, basically "newspaper English". Certian words are rarely seen outside newspaper headlines "rumpus" and "fracas" are others of that ilk.In Ireland they us...
by Cuchulainn
September 3rd, 2005, 12:11 pm
Forum: Off Topic
Topic: Who plays Croquet?
Replies: 18
Views: 138165

Who plays Croquet?

<t>QuoteOriginally posted by: TraderJoeStrategic, coordination, relaxed pace with an underlying intensity and beauty found in few other sports. Golf, perhaps?TJ,Actually it comes as a great surprise that it has become so interesting. Normally I do other kinds of sports.I know a guy in Ireland who ha...
by Cuchulainn
September 3rd, 2005, 10:58 am
Forum: Off Topic
Topic: Who plays Croquet?
Replies: 18
Views: 138165

Who plays Croquet?

QuoteOriginally posted by: TraderJoeCroquet rocks.Nice to see you like it. It is a game with all elements: skill, aggression, planning ...
by Cuchulainn
September 2nd, 2005, 8:47 pm
Forum: Off Topic
Topic: Who plays Croquet?
Replies: 18
Views: 138165

Who plays Croquet?

Any Wilmotters play this game? It's really great.http://www.croquet.org.uk/
by Cuchulainn
September 2nd, 2005, 8:45 pm
Forum: Off Topic
Topic: Yobs, antisocial behaviour and all that
Replies: 19
Views: 137880

Yobs, antisocial behaviour and all that

QuoteOriginally posted by: patch22stick them all on the first boat to australia...it worked in the past.Unfortunately, they exported all the good cricket players as well?
by Cuchulainn
September 2nd, 2005, 8:42 pm
Forum: Off Topic
Topic: Yobs, antisocial behaviour and all that
Replies: 19
Views: 137880

Yobs, antisocial behaviour and all that

<r>Dom,In the Isle of Man, they use to have cat o' nine tails. Do they still use it? <URL url="http://www.bestprices.com/cgi-bin/vlink/013131164633IE.html"><LINK_TEXT text="http://www.bestprices.com/cgi-bin/vlink ... 633IE.html">http://www.bestprices.com/cgi-bin/vlink/013131164633IE.html</LINK_TEXT>...
by Cuchulainn
September 2nd, 2005, 8:30 pm
Forum: Student Forum
Topic: Martingales versus PDEs: Which works best?
Replies: 10
Views: 137750

Martingales versus PDEs: Which works best?

> Is there any other alternative approach for which marting. and pde appears like subproducts?That's a good one. I only know SDE a bit, Ito and then PDE.Maybe the SDE is too restrictive?I think this is a question for Richard Feynman to be honest
by Cuchulainn
September 2nd, 2005, 6:37 pm
Forum: Student Forum
Topic: Martingales versus PDEs: Which works best?
Replies: 10
Views: 137750

Martingales versus PDEs: Which works best?

<t>> go straight from the mgale to numerical techniques with the dreaded "trees" (or, more respectably, "lattice > methods"), and of course you can always MC an expectation, but for complicated stuff, generally you go to > pde numerical solutions.MC is useful for high dimensions, but slow. Has anyon...
by Cuchulainn
September 2nd, 2005, 6:18 pm
Forum: Student Forum
Topic: Martingales versus PDEs: Which works best?
Replies: 10
Views: 137750

Martingales versus PDEs: Which works best?

<t>Jeff,We need both probability and PDE methods for a full understanding I reckon.BTW any ideas on solving PDE problems for big n, e.g. n = 500. I heard that some people use Meshless.Complex analysis seems to be intersting here and there; mostly when evaluating complex integrals (like Heston). The ...