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全部话题 - 话题: sabres
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t********t
发帖数: 1264
1
Standard practice is to construct vol surface with cubic spline or more
fancy arbitrage free interpolation method, then use sabr or lsv to calibrate
t********t
发帖数: 1264
2
直接用available的价格点calibrate sabr当然是误差最小的。但你现在不是要拟合ATM
价格吗,既然没有只能用interpolation。其实只用ATM的初衷是ATM的价格容易获得,
而且比OTM的价格更加准确,用它做calibration不会有overfitting的问题。所以我问
你是不是FX market vol surface
i********c
发帖数: 7033
3
感觉在ATM 价格不available的时候,先用interpolation求得ATM vol ,再用ATM
VOL calibrate SABR,是不是意义不大了? 就像你说的,用atm价格的本意是因为更容易
得到。

beta
updated
4
available
interpolation
w*******y
发帖数: 60932
4
I just purchased a 28 pack of Labatt Blue with a Buffalo Sabres Bottle
Opener for $14.99 at my Local Wegmans. The distributer was in the walk in
cooler when I was in there and told me they're actually losing money on each
28 pack they sell.
They are bottles and you need a Wegman's Shopper Card to get them for $14.99
I selected Food as the category Icon , because Beer is absolutely crucial to
one's diet. That is a factual statement.
w********2
发帖数: 632
5
F-86 in Korea
Last revised October 30, 1999
On June 25, 1950, the forces of North Korea invaded the South. The South
Korean army was poorly organized and badly led, and the initial North Korean
advance was quite rapid. The United Nations Security Council immediately
met in emergency session and ordered the North Koreans to cease their
invasion and withdraw from the South, but these demands were ignored. On
June 27, President Harry Truman authorized American forces to oppose the
invasion, and Gen... 阅读全帖

发帖数: 1
6
凡是在空战中击落敌机5架和5架以上的战斗机飞行员被称为王牌飞行员(Ace)。
这里一共提供了41名王牌飞行员名单,只有一名是F4U海军螺旋桨战斗机飞行员,
其余都是F-86战斗机飞行员:
Photo Name[1] Service Rank Victories[32] Unit Aircraft
Notes
Joseph McConnell.JPG Joseph C. McConnell USAF Captain 16 39th
Fighter-Interceptor Squadron F-86 Sabre Was a navigator for the B-24
Liberator during World War II. Killed in a 1954 training accident.[32]
JamesJabaraPortrait1940s.jpg James Jabara USAF Major 15 334th
Fighter-Intercept... 阅读全帖
t******s
发帖数: 119
7
来自主题: MartialArts版 - 击剑VS武士刀
steve tak kin kwan 4 months ago (edited)
katana ( japanese samurai sword) which held by two hands, movements are
powerful (slashing and cutting and some thrusting), yet relatively,
movements are relative big, which might expose oneself large body area
opened up for being attack, swing/ slashing/ cutting movements of the katana
also relatively taken up more time and telegraphed the intentions. Fencing
using thrusting and poking movements with foil, sabre( slashng , cutting as
well), motions a... 阅读全帖
t******s
发帖数: 119
8
来自主题: MartialArts版 - 击剑VS武士刀
steve tak kin kwan 4 months ago (edited)
katana ( japanese samurai sword) which held by two hands, movements are
powerful (slashing and cutting and some thrusting), yet relatively,
movements are relative big, which might expose oneself large body area
opened up for being attack, swing/ slashing/ cutting movements of the katana
also relatively taken up more time and telegraphed the intentions. Fencing
using thrusting and poking movements with foil, sabre( slashng , cutting as
well), motions a... 阅读全帖
T*P
发帖数: 2697
9
来自主题: ChinaStock版 - [合集] 当前持仓
☆─────────────────────────────────────☆
zhaoce (蜥蜴) 于 (Wed Mar 2 20:38:30 2011, 美东) 提到:
买入600495,四成
600068已出,-3%
600502已出,7%
买入600068和600502,都是半仓
002106和002083都已出,以后减少操作这些非热点股票
买入002106,半仓
买入002083,半仓
002259已出,-3%
300189已出,不赚不赔
买入次新股300189,半仓
买入002259,半仓
600068已出,5%
300001已出,-2%
买入600068,半仓
600400已出,8.85%
买入300001,半仓
买入600400,半仓
002008已出,5%
000401已出,-3%
买入000401,半仓
601011割肉出局
买入601011,半仓
买入002008,半仓
600776已出
今天午盘应该有机会出来,耐心等待
600068已出,小赚一点
买入600776,半仓
买入葛洲坝600068
000925已出,目前半仓
前两个股票已全出
现在仅少... 阅读全帖
b****r
发帖数: 2555
10
☆─────────────────────────────────────☆
Communipig (共产猪) 于 (Tue Sep 27 09:13:11 2011, 美东) 提到:
作者:钱文军
(1)说句老实话,我一贯地不愿意去写朝鲜战争中具体的战例。因为实在写不下去。
几十万血肉之躯,哪一个都是爹妈一把屎一把尿拉扯大的,可怜天下父母心,又有哪一
个不被爹妈寄托了无限的希望?结果,枪声一响,爹娘白养,都躺在朝鲜冰冷的泥土里
,还被他们用血肉之躯保住的金日成掘了一次墓。俺自己的两位堂兄就是志愿军战士,
一个舅舅在志愿军空军,另一个舅舅也从朝鲜负伤归来,虽然他们都没有葬身朝鲜,但
也从他们的口述中知道曾经的惨烈。既然如今有那么些躺着说话腰不疼的家伙喋喋不休
,没完没了地意淫,只好说几句。
志愿军在朝鲜,包围美军一个团以上兵力的战例只有两次,第一次是在第二次战役中长
津湖之战(美韩方称为下碣隅里之战);另一次是第四次战役第一阶段砥平里之战(我
方亦称横城反击战)。而我们的文字宣传资料包括彭德怀的谈话,都说,志愿军歼灭美
军一个整团的惟一战例就是长津湖作战,且美军第7师第31... 阅读全帖
w********2
发帖数: 632
11
The original wing was present on the 1st through 170th F-86F-25 models, and
the 1st through the 199th F-86F-30 models. Planes produced after this came
with factory installed "6-3" wings, North American also sent out upgrade
kits to add the "6-3" wing to around half of the unmodified F-86F's
The original wing limited top speed to 688 mph (1107 km/hr), had a
higher drag coefficient than the "6-3" wing, but also had the stall speed 20
mph (32 kph) lower than the "6-3" wing
The "6-3" wing was de... 阅读全帖
C********g
发帖数: 9656
12
来自主题: ChinaNews版 - 太子党刘源磨刀霍霍
【 阿波罗新闻网2011-06-01讯】2011年4月,中共左翼文人张木生所著《改造我们的文
化历史观》一书由军事科学出版社出版。中共总后政委刘源为该书写序说:“历史写满
杀戮血祭”,“战争来自人的欲望,人欲不灭,消灭不了战争!”“谁都逃不脱、躲不
开战争。”并说:“造反有理,以暴易暴!”“国家是强力机器,正由暴力铸就。”这
番“泛战争、泛暴力”的论断,将中共嗜血好战的真实本性暴露无遗,使得陈炳德的美
国“示软”之行显得十分尴尬。
刘源,上将军衔,中共军队总后勤部政委,中共太子党中的重要一员。其父刘少奇原先
是中共国家主席,在毛泽东发动的文化大革命中被关进监狱,受尽毛派折磨后悲惨的死
去。刘源在文革期间与家人一起遭到整肃,被迫离开北京,并在1980年代在农村做一名
基层干部。
中共国家主席胡锦涛于2009年将刘源提拔为上将,并于今年任命他为中共军队总后勤部
政委。刘源被澳媒称为“中共军方的一颗新星”,有人预测他将会连升两级之后进入军
队最高领导机构—中央军委。
澳洲时代报记者John Garnaut 5月23日撰文《中共将军磨刀霍霍》(Chinese General
Rattles S... 阅读全帖
c*********d
发帖数: 9770
13
果然是,就是这个。
The Charge of the Light Brigade
Alfred, Lord Tennyson
1.
Half a league, half a league,
Half a league onward,
All in the valley of Death
Rode the six hundred.
"Forward, the Light Brigade!
"Charge for the guns!" he said:
Into the valley of Death
Rode the six hundred.
2.
"Forward, the Light Brigade!"
Was there a man dismay'd?
Not tho' the soldier knew
Someone had blunder'd:
Theirs not to make reply,
Theirs not to reason why,
Theirs but to do and die:
Into the valle... 阅读全帖
y**i
发帖数: 357
14
这很正常啊,oppo 95用的是目前顶级的sabre 9018 dac chip。 benchmark dac1用的
是快10年前的dac chip。 根本没有可比性嘛。
Benchmark DAC2开始用sabre 9018了,是新的行业标准。 效果应该会比oppo 95高出一
大截。
看一下sabre 9018的技术介绍就知道了,这个DAC的特点是同时具有高细节和analog
sounding。
b********g
发帖数: 199
e*******e
发帖数: 9616
16
“Charge of the Light Brigade.”
The Charge of the Light Brigade
Alfred, Lord Tennyson
1.
Half a league, half a league,
Half a league onward,
All in the valley of Death
Rode the six hundred.
"Forward, the Light Brigade!
"Charge for the guns!" he said:
Into the valley of Death
Rode the six hundred.
2.
"Forward, the Light Brigade!"
Was there a man dismay'd?
Not tho' the soldier knew
Someone had blunder'd:
Theirs not to make reply,
Theirs not to reason why,
Theirs but to do and die:
Into the valley o... 阅读全帖
d*******s
发帖数: 15155
17
来自主题: GunsAndGears版 - AUG二手什么价格?
看到一个二手的,卖2600(不带镜子),不知道怎么样。
New production Rifle. Sabre Defense use to make these for Stery until they
got busted and shut down. Now Stery Makes them at their own plant here in
the states. Reciever says Sabre Defense because the first 500 Stery started
back making had leftover recievers from Sabre Defense. Newer ones will have
Vltor recievers. Only 500 rounds through it. New condition. Price reflects
availability. Everything you see comes with it except optic. Rifle has
raptor charging handle. C... 阅读全帖
j******a
发帖数: 186
18
来自主题: Hockey版 - 又见季后赛 I
最近版面比较冷清,趁季后赛来临之际,让我们来讨论讨论各队形势吧。
东部
赛季初果然没看走眼,pacific division的竞争异常激烈。没想到的是rangers脱胎换
骨,偶露峥嵘。更有意思的是,richards并没有达到想象中的高度,更多的是年轻人挑
起了大梁,此队前途不可估量。
Penguins,the team to beat,前两周sid归队的时候一般都赢5球以上。这两场有点儿
放水了,要我是教练,绝对要跟rangers拼第一,避开flyers--或许,他们也不把
flyers放在眼里!Malkin是赛季当之无愧的mvp,Sid的归来可喜可贺--最悲观的时候,
大家都觉得他要退役了,但2月形势突变,原来是误诊,虚惊一场。James Neal, Kris
Letang都是联盟新的偶像。加上教练的神机妙算,真不知道要多强悍才能打赢Penguins。
可怜了Flyers.这个赛季大喜大悲了好几回,实力应该是联盟top 5,结果季后赛第一轮
就要打Penguins.Giroux是新的cover boy,难怪放走Richie和carter的时候球队那么冷
静。回头看看那两个trade... 阅读全帖
e*******e
发帖数: 9616
19
来自主题: Soccer版 - yy 一下穿越决赛
每次重温都感触良多。
据说SEC每次橄榄球比赛以前做客球队都会赛前动员大会时都会念一遍壮胆。
呵呵
挺适合我这些wsn深入美国红勃敌后保持打球/体育竞技能力的原动力
The Charge Of The Light Brigade
by Alfred, Lord Tennyson
Memorializing Events in the Battle of Balaclava, October 25, 1854
Written 1854
Half a league half a league,
Half a league onward,
All in the valley of Death
Rode the six hundred:
'Forward, the Light Brigade!
Charge for the guns' he said:
Into the valley of Death
Rode the six hundred.
'Forward, the Light Brigade!'
Was there a man dismay'd ?
Not tho' the soldi... 阅读全帖
r**a
发帖数: 536
20
来自主题: Quant版 - 暑期实习求推荐。。

JF
return
这个当然算了,比如SABR model。实际上SABR里面的技术非常universal。只要你不怕
麻烦,你可以用它来算更一般的SV模型。问题在于,并不是什么SV模型都能有closed
form asymptotic expansion的。在SABR里,核心是那个heat kernel on poincare
plane。正是因为这个玩意有closed form,这样才有Hagan的asymptotic expansion。
你的SV模型如果对应的Riemannian Geometry不是poincare geometry。那么you are
probability in trouble.
另外一点是要看你模型如何用。比如如果你要price一个20年的option,你要问一下你
自己你的formula这时候能不能用。效果怎么样。这些都要做test的。
实现起来也
y*****l
发帖数: 5997
21
来自主题: _pennystock版 - 飞机
LCC DAL ER not good, but up. FT.
US Airways 1Q Loss Widens On Higher Fuel Costs, Prior-Year Gain
1 hours 19 minutes ago - DJNF
DOW JONES NEWSWIRES
US Airways Group Inc.'s (LCC) first-quarter loss widened on higher fuel
prices and a prior-year gain, although revenue grew on higher traffic and a
series of fare increases that were enacted within a strong demand
environment.
Shares rose 1.2% to $8.38 in recent premarket trading as results topped
analysts' expectations. Still, the stock is down 17% t... 阅读全帖
d******i
发帖数: 1379
22
钝剑(Foil)、军刀(Sabre)和锐剑 (Epee)?
行业上一般都是称 花剑(Foil)、佩剑(Sabre)和重剑 (Epee)的吧。
花剑全长不超过110厘米,重量不超过500克。剑身为钢制,长度不超过90厘米,横截面为长方形。剑柄长度不超过20厘米。护手为圆形,装于剑身与剑柄之间,直径不超过12厘米,禁止偏心。
佩剑总长105厘米,剑身长88厘米,重量500克,剑身横断面为梯形 佩剑,护手盘为月牙盘。横断面近似长方形,弯曲角度应小于4厘米。护手盘的大小应能从截面为15厘米×14厘米、高15厘米的长方体量规中通过。剑尖为圆形,没有弹簧头,佩剑即可刺又可劈,这是与花剑、重剑最大的区别。
重剑全长不超过110厘米,重量不超过770克。剑身为钢制,长度不超过90厘米,横截面为三棱形,剑身的宽面最大为2.4毫米。剑柄长度不超过20厘米。护手盘为圆形,深度为3-5.5厘米,直径最大为13.5厘米,偏心度最大为3.5厘米。
w********2
发帖数: 632
23
The "6-3" wing was
an immediate success, quickly boosting Sabre victories in Korea. With the "6
-3-wing" F-86F, the USAF now had a fighter which could match the maximum
speed of the MiG at altitudes all the way up to the Sabre's service ceiling
of 47,000 feet, could turn inside the MiG, and which had almost as great a
rate of climb.
w********2
发帖数: 632
24
At any one time, only about 60 Sabres could be put into the air, assuming
that everything was "right", with the rest of the force remaining at Kimpo
or Suwon on alert or down for maintenance. Even when at maximum levels, the
Sabre force was far outnumbered by the MiGs.
s****n
发帖数: 4266
25
来自主题: TheStrait版 - 我F-16A/B升级难度很大 ZT
台灣當局現役的F-16 A/B Block 20 應該是無法換裝 APG-80 AESA雷達(塞不進去),可能會換Raytheon 的 RACR AESA雷達 或Northrop Grumman的 SABR AESA 雷達 (但SABR AESA還沒有出口許可)
若無法取得AESA雷達,台灣當局只能選擇Northrop Grumman的APG-68(V)9型機械式雷達(以色列空軍F-16 I 裝配的雷達)取代現役F-16 A/B Block 20 上的舊APG-66(V)3型機械式雷達

发帖数: 1
26
来自主题: USANews版 - 最准确的大选预测指标
我来给个出处,另外话只说一半可不好。
http://www.forbes.com/sites/christinasettimi/2016/11/02/the-best-predictor-of-the-presidential-election-is-it-the-winner-of-the-world-series/#25f963ef1e30
What is the best predictor of the next presidential election between Donald
J. Trump and Hillary Clinton?
In 1972, the editor of The Baseball Research Journal published by the
Society for American Baseball Research (SABR) noted that if the American
League team won the World Series, a Republican won the election, and if the
N... 阅读全帖
j****i
发帖数: 68152
27
来自主题: Automobile版 - 三哥,有个问题请教你一下
三嫂开的97年E320都说很结实。
你又说二哥开着你的sabre曾经把新大奔装的一塌糊涂。要是这俩车撞一下,谁会赢。
我没有诅咒你的车的意思。我是说别人的97年E320和另外一个人的Sabre撞一下,你觉
得哪个更结实些?
f****i
发帖数: 20252
28
来自主题: HiFi版 - 家庭影院折腾接近完成
这才是讨论的态度
你给的一个机器内部就算是本地clock这种说法是很不严格的,boombox是一个机器,PC
也是一个机器,带光驱的便宜home theater也是一个机器,这些机器里面数据从存储
media开始到放出声音,都要要经过不止一个时钟,离DAC最近的一个transmission
domain的时钟是很有可能被用来直接latch DAC data symbol。
拿前面说的OPPO 83SE的sabre DAC来举个例子: http://www.esstech.com/PDF/sabrewp.pdf
ESS自己吹的一大“卖点”就是Sabre DAC不用transmission domain的clock来latch
DAC data symbol,这篇note里面还专门跟某“competitor DAC”做了比较测试数据,
competitor DAC是从transmission domain拿的clock。这里我个人觉得他们测试用的
2ns jitter比实际情况要高,比较靠谱的晶振jitter应该是ps级别的,而驱动DAC的communication clock也是锁在晶振... 阅读全帖
c*******n
发帖数: 29
29
1. 董事长助理:中英文流利。2年相关工作经验。月薪3000元。
2. 文员: 中英文,粤语流利,熟悉 SABRE OFFICE等办公室软件,中英文打字,有
旅行社工作经验。起薪1800元。
3. 信用卡部:经理一名月薪3000元+提成,2年相关工作经验,有信用卡销售经验优
先。
4. 电视服务部:经理一名,2年相关工作经验。月薪2500元+ 提成
销售代表:10名,(兼职/全职),有销售经验优先,月薪2000元+提
成。
5. 办公用品商场:经理一名,2年以上相关工作经验,月薪 2500元+ 提成 中英文
流利。
商场营业员:6名,月薪1600元+提成 。1年以上相关工作经验
6. 直销公司经理一名:具有直销经验者优先。月薪3000元+提成。销售代表(全职/
兼职)10名。月薪2500+提成。
7. 旅游公司经理一名:月薪3000元+提成 熟练SABRE,旅行社至少2年工作经验,有
一定的客户群。
以上工作职位需具备合法工作身份
请将您的个人简历,应聘职位以及近期照片传真至 6
a*t
发帖数: 358
30
来自主题: SanDiego版 - Pittsburgh有可以玩的地方吗
呵呵,不怎么看NHL,
去年Pittsburgh Penguins拿了冠军
俺却一直对Buffalo Sabres情有独钟。。。
计划着11月份去看一场sabres的比赛,顺道看看结冰的niagara fall。。。
r****a
发帖数: 447
31
同学,发言的时候先考考古。
原来的D5区是由下列区组成,SR和MM就在一个区里。
Carmel Mountain Ranch
Mira Mesa
Rancho Bernardo
Sabre Springs
San Pasqual
Scripps Ranch
原来的RP在D1区里
•Black Mountain Ranch
•Carmel Valley
•Del Mar Mesa
•La Jolla
•Pacific Highlands Ranch
•Rancho Peñasquitos
•Torrey Highlands
•Torrey Hills
•Torrey Pines
•University City
新建议的D5
o Black Mountain Ranch
o Carmel Mountain Ranch
o Los Peñasquitos Canyon Preserve (partial—western area)
o Mira... 阅读全帖
o****n
发帖数: 9475
32
来自主题: SanDiego版 - 要搬来SD了,有问题请教大家
99一带有什么公司?
离得这一片最近小学还不错的就是Scripps Ranch了,或Sabre Spring,不过住Sabre
Spring要留意,Springbrook dr西边就不能上creakside小学(poway学区最好的小学,
或第二)了,是去morning creak,API只要800出头
你再查查 Ellen Browning Scripps和Dingman,都不错
EBS,Dingman,Creakside都不错,相差不多
d*****o
发帖数: 2868
33
我自己觉得吧学区这种事情above average就可以了,买不起southlake的房子, 上不了
dfw地区最好的public school也不是世界末日.
刚才随便查了sabre inc的CEO, sabre是southlake地区最大的employer. 他们的ceo,
Tom klein, 是从villanova毕业的. 要在老中看来,上不了藤校,或者咱们texas的ut-
austin, college station或者rice那就是looser.
人一辈子长着呢,人生也不是说在高中毕业,大学毕业就结束了. 大学毕业,20多岁,
谁知道以后会发生什么.
o****n
发帖数: 1520
34
如果法律允许,可以带这个大罐的辣椒喷剂:
SABRE RED Police Strength Pepper Spray
http://www.amazon.com/SABRE-Police-Strength-Pepper-Spray/dp/B00
T******n
发帖数: 3180
35
来自主题: Hockey版 - 现在开始支持
Hey, hey, What Do You Say? Sabres won.

谨慎预测Sabres第一轮出局
d*****r
发帖数: 39446
36
【此篇文章是由自动发信系统所张贴】
⊙ 博彩开启于:Mon Apr 23 18:37:09 2007 类别:单选
⊙ 主题:Buffalo or NY Rangers?
⊙ 博彩题目描述:
Which team will win the conference semifinals between Buffalo Sabres and
New York Rangers?
【选项如下】
(1) Buffalo Sabres
(2) New York Rangers
d*****r
发帖数: 39446
37
【此篇文章是由自动发信系统所张贴】
⊙ 博彩开启于:Sun May 6 22:29:23 2007 类别:单选
⊙ 主题:Buffalo or NY Rangers?
⊙ 博彩题目描述:
Which team will win the conference semifinals between Buffalo Sabres and
New York Rangers?
【打对勾者为正确选项】
√(1) Buffalo Sabres
(2) New York Rangers
d*****r
发帖数: 39446
38
【此篇文章是由自动发信系统所张贴】
⊙ 博彩开启于:Tue May 8 11:43:27 2007 类别:单选
⊙ 主题:Who will win the East Conference now?
⊙ 博彩题目描述:
Which team will win the conference title between Ottawa Senators and Buffalo
Sabres?
【选项如下】
(1) Ottawa Senators
(2) Buffalo Sabres
b****r
发帖数: 1395
39
来自主题: Hockey版 - haha, senators rocks
我改变看法了,他们确实就是wuss,打playoff很大程度上拼的
是意志和信念和自信心。看sabres的队员的body language感觉
他们自己好像都不是很肯定,打得不够果断,好像总是短一口
气。局面完全被人家控制。目前这种局势sabres基本就算完事
了。再赢也是dead cat bounce。准确的说他们不是普通概念上
的wuss,而是从思想上放弃了比赛。
d*****r
发帖数: 39446
40
【此篇文章是由自动发信系统所张贴】
⊙ 购买此博彩彩票所需条件:
1. 上站次数需大于 20659935 次 .
2. 文章数目需大于 20659930 篇.
3. 上站总时数需大于 20659990 小时.
4. 上站物理时间需大于 20659922 天.
⊙ 博彩开启于:Sat May 19 18:29:19 2007 类别:多选
⊙ 主题:Who will win the East Conference now?
⊙ 博彩题目描述:
Which team will win the conference title between Ottawa Senators and Buffalo
Sabres?
【打对勾者正确选项】
√(1) Ottawa Senators
(2) Buffalo Sabres
j******a
发帖数: 186
41
来自主题: Hockey版 - 东区8进4预测
Rangers悬吧,Ryan Callahan受伤了.Capitals状态不错.
Flyers的goalies出了状况,好不容易赢了一场,还是丢了东区第一.我去现场看过三月初
的一场Flyers/Sabres的比赛,flyers2
球领先最后输2比5.Sabres下半程状态比flyers好.不过我还是喜欢flyers多一些!
Hebs和Bruins挺难说的,似乎两个队的主场优势都很明显.人在波士顿,还是支持Bruins
吧.Chara最好在Montreal找几个好
点的保镖.
Penguins和lightning的确很接近,但是超级巨星状态不好已经很久了.而且Penguins的
goalie那么强,还是看好他们!
西区目前看来会更精彩: )
G*********o
发帖数: 49669
42
来自主题: Hockey版 - 一场有趣的比赛
没有
kassian首次代表canucks出场,近距离射门,命中一个
但是无法抵挡sabres的强攻和气势,输给sabres了

精!沙丁兄弟进球没?
母队
G*********o
发帖数: 49669
43
来自主题: Hockey版 - 一场有趣的比赛
没有
kassian首次代表canucks出场,近距离射门,命中一个
但是无法抵挡sabres的强攻和气势,输给sabres了

精!沙丁兄弟进球没?
母队
g*******4
发帖数: 371
44
来自主题: Ski版 - Please give me some suggestions!
We want to buy some items for our skiing as listed:
1. Head S9 Ski Boots, http://www.sierraskis.com/Head-S9-617.asp, + K2 Sabre w/ M2 10.0 Skis http://www.sierraskis.com/2008-K2-Sabre-SYSTEM-39939.asp
2. K2 Tru Luv Womens Skis, http://www.sierraskis.com/2008-K2-True-Luv-Womens-39948.asp; + Dalbello Storm Women's Ski Boots, http://www.sierraskis.com/Dalbello-Storm-Womens-17691.asp
The 1st is for my LG, and the 2nd if for myself. We are good at blue route.
Thanks for your comments and suggestion
K****D
发帖数: 30533
45
来自主题: Tennis版 - 激励器是不是球品特差?
正好相反。治SABR的方案就是故意2发用1发朝人发。砸一次,直接得分不说,对手
还永远不敢再来了。
这个问题早在业余界被研究透了,因为wsn用sabr的简直无数。
P*****x
发帖数: 72
46
来自主题: Programming版 - 说说12306需要多少台机器
这个讨论有点意思。
我特地看了一下Sabre的ppt. (sabre是定机票的系统)
几个关键的benchmark - 85k transaction per/second at peek.
926B transaction per year.
当然这个不是苹果对苹果比较。
architecture presentation
http://www.opentravel.org/resources/uploads/pdf/ota07_soasabre.
r******n
发帖数: 69
47
来自主题: Mathematics版 - 版上有微分几何高手吗 (转载)
Cool stuff! Only wish I have enough knowledge to understand what they did :)
I saw on the slides, "SABR Model". I thought "SABR" stood for "Sneak Attack
By Roger" in tennis, and thought to myself: "yeah, that I can understand!"
LOL
s*****u
发帖数: 164
48
Does anybody have any idea how the FX vol smile
is constructed in Bloomberg? I tried to use 25
delta market quotes to fit with quadratic delta
vol, vanna-volga, and SABR. Quadratic delta vol
gives lower volatilities for options deep out of
money, and VV and SABR gives higher results. I
also tried to find any documentation for the recipe
used in Bloomberg, but could not find anything.
Can anybody help me on this matter? Thanks!
h*y
发帖数: 1289
49
来自主题: Quant版 - 问个volatility surface的问题
Vol surface是在某时刻的snapshot 用来interpolate vol的。一般可以用vanilla
options calibrate vol surface 然后price exotics
heston model有aprroximated option price formula,所以可以直接用option price
calibrate model parameters 然后就可以simulate了
其他vol model比如SABR 是直接model vols。一般先用Black Scholes imply vol 然后
calibrate SABR parameters
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