场方程决定空间的弯曲程度，也就是决定度规g(jk)。

6楼：当然，测地线方程有很多方法可以导出，变分法也是常用的。但个人认为，本贴给出的方法比较简明，在物理上好理解，在数学上导出简单、而且易学易懂。

“广义相对论的时空线元,完全可以摆脱场方程”不知是什么意思？
场方程决定空间的弯曲程度，也就是决定度规g(jk)。没有场方程就决定不了空间的弯曲程度，就谈不上广相了。

所有跟帖： 

• 由场方程导出的能量动量方程,物质的能量动量是一个张量形式,而引力却无法表成张量的形式,这在当时就有人非议,一个理论应当是对称的, -marketreflections- ♂ (2158 bytes) () 07/19/2011 postreply 09:38:55

• 爱因斯坦场方程 考察牛顿引力理论的泊松方程 它是引力势φ 的二阶偏微分方程,ρ是引力源的质量密度。在相对论中，ρ应该推广为引力源 -marketreflections- ♂ (1903 bytes) () 07/19/2011 postreply 15:04:50

• 格林公式01 stoks01,奥--高公式01格林定理連結了一個封閉曲線上的線積分與一個邊界為 C 且平 -marketreflections- ♂ (3951 bytes) () 07/19/2011 postreply 10:33:20

• 保守力场做功只与位置有关系。比如地球引力场，静电场。他们的引力线不成旋涡状---不能对物体进行回旋加速（环量总是为0，） -marketreflections- ♂ (123 bytes) () 07/19/2011 postreply 10:42:06

• Donny Line Integral - Green's Theorem -marketreflections- ♂ (146 bytes) () 07/19/2011 postreply 11:26:39

• 正则曲线 若它在这点的切向量重合，即r┡(α)=r┡(b))，且自身不再相交,则称为简单闭曲线 -marketreflections- ♂ (50460 bytes) () 07/19/2011 postreply 11:47:42

• 正则曲线01 若C 之上点点正则，则称C 为正则曲线，并称参数t 为正则参数 -marketreflections- ♂ (1155 bytes) () 07/19/2011 postreply 13:27:36

• 自相交曲线 交点处存在两类不同的切矢量，它们中的每一类都独自可以张出一个一维线性空间，该线性空间中的矢量都是曲线切矢（没记错的话 -marketreflections- ♂ (22942 bytes) () 07/19/2011 postreply 13:36:34

• 局部性质的讨论只需要关心简单的正则曲线即可;从这个意义上说,象自相交这种性质是曲线的大范围性质,也就是整体性质 -marketreflections- ♂ (18688 bytes) () 07/19/2011 postreply 14:24:15

• 自相交曲线 交点处存在两类不同的切矢量，它们中的每一类都独自可以张出一个一维线性空间，该线性空间中的矢量都是曲线切矢（没记错的话 -marketreflections- ♂ (302 bytes) () 07/31/2011 postreply 15:57:28

• 人体的窗口---视觉系统 ;拉格朗日法是以流场中每一流体质点作为描述对象的方法:一个质点不可能同时有两个速度矢量;曲率连续的曲面 -marketreflections- ♂ (6055 bytes) () 07/31/2011 postreply 16:04:10

• 在理论方面，曲线曲面的连续性〔13〕通常分为两种形式:参数连续性和几何连续性。曲线在连接点处具有相等的n阶连续导矢，则称之为具有 -marketreflections- ♂ (49083 bytes) () 07/31/2011 postreply 16:13:19

• 解析几何中，空间曲线上—点p 的每个坐标被表示成某个参数u 的函数,x＝x(u)，y＝y(u)，s＝z(M)。把三个方程合写一起 -marketreflections- ♂ (7751 bytes) () 07/31/2011 postreply 16:20:53

• 曲线01：自相交曲线 交点处存在两类不同的切矢量，它们中的每一类都独自可以张出一个一维线性空间，该线性空间中的矢量都是曲线切矢（ -marketreflections- ♂ (14908 bytes) () 07/31/2011 postreply 16:34:07

• kevin kelky 网络测地线,网络中大部分关系之间都可以通过3 步或4 步到达,很少一部分需要7 步 -marketreflections- ♂ (11115 bytes) () 07/31/2011 postreply 17:39:33

• 人和高等哺乳动物的双眼都在面部前方，视物时两眼视野差不多部分的像又各循自己特有的神经通路传向中枢，但正常人主观察感觉上只产生一个 -marketreflections- ♂ (50306 bytes) () 07/31/2011 postreply 17:43:12

• 正则01 形体在计算机内的表示 非正则形体 正则形体 二维流形:所谓二维流形是指这样一些面，其上任一点都存在一个充分小的邻域，该 -marketreflections- ♂ (2359 bytes) () 07/31/2011 postreply 17:56:56

• 微分流形是一些局部欧氏空间粘起来的，而定义中的坐标变换就表示如何粘贴这些局部的小块 -marketreflections- ♂ (23994 bytes) () 07/31/2011 postreply 18:06:59

• 樱析光 所谓拓扑空间，或拓扑，指的实际上是集合上附加的一种结构，就好比实数集上附加线形结构一样，在拓扑中叫开集;庞加莱对偶原理， -marketreflections- ♂ (11701 bytes) () 07/31/2011 postreply 18:59:57

• 流形上一点的一个切向量可以看成经过那一点的具有共同切向量的所有参数曲线,双曲几何01 -marketreflections- ♂ (21417 bytes) () 12/07/2011 postreply 13:18:37

• 理解矩阵与矩阵01乘积 線性代數01五講 -marketreflections- ♂ (24998 bytes) () 12/07/2011 postreply 13:30:37

• 泰勒级数是解析函数芽,微分的关键在于线性结构，而函数芽空间上的线性结构是自然的，所以先定义了余切空间, -marketreflections- ♂ (17213 bytes) () 07/31/2011 postreply 18:17:15

• 曲线01的切向，法向，副法方向之间的关系;弗莱纳公式 T 是单位切向量，方向指向粒子运动的方向。N 是切向量 T 对弧长参数的微 -marketreflections- ♂ (10709 bytes) () 07/31/2011 postreply 19:13:38

• Civil3D曲面本质是点、三角网、DEM网格。在此基础上显示等高线，进行各种高程分析、坡度分析、汇水分析等仅仅是表现形式。因此 -marketreflections- ♂ (161 bytes) () 08/01/2011 postreply 11:08:32

• round top or bottom: round meetings of evaluation top or bottom; -marketreflections- ♂ (451 bytes) () 08/01/2011 postreply 11:31:35

• check01 vix001 I have been trading VIX related products pretty -marketreflections- ♂ (1885 bytes) () 08/01/2011 postreply 13:17:47

• check01 vix001 tylerstrading.com The recent plunge has also bro -marketreflections- ♂ (2525 bytes) () 08/01/2011 postreply 14:12:45

• check01 vix001 http://www.diffresearch.com/# Daily Recap -marketreflections- ♂ (6553 bytes) () 08/01/2011 postreply 14:25:23

• vix001 08012011 www.diffresearch.com/ -marketreflections- ♂ (188 bytes) () 08/01/2011 postreply 17:52:34

• 万有引力本身并不是最基本的力，而是更加基本的自由度引起的宏观现象，具体地说就是熵力 -marketreflections- ♂ (1218 bytes) () 08/01/2011 postreply 20:58:45

• future01 http://www.hedgeaccording.ly/ -marketreflections- ♂ (14531 bytes) () 09/13/2011 postreply 13:58:08

• www.stocktiming.com/ vix01 created a hypothetical at-the-money o -marketreflections- ♂ (7791 bytes) () 09/13/2011 postreply 14:41:12

• check01 vix001 gammar0 us1.campaign-archive1.com/home -marketreflections- ♂ (222 bytes) () 09/13/2011 postreply 14:57:16

• fed01 The premium received from the sale of the naked put is fin -marketreflections- ♂ (2789 bytes) () 09/13/2011 postreply 15:06:31

• gammar01 blog.commodityandderivativeadv.com -marketreflections- ♂ (198 bytes) () 09/13/2011 postreply 15:13:47

• check01 vix001 gammar0 the historical ratio of the two is 1.45 ( -marketreflections- ♂ (1584 bytes) () 09/13/2011 postreply 15:20:53

• "Barclays Index Volatility Weekly " VIX at Biggest Discount to E -marketreflections- ♂ (26686 bytes) () 09/13/2011 postreply 15:45:56

• 回复：check01 vix001 gammar0 Dow Jones EURO STOXX 50 Volatility Ind -marketreflections- ♂ (122 bytes) () 09/13/2011 postreply 15:48:25

• check01 vix001 gammar0 onlyvix.blogspot.com/ -marketreflections- ♂ (131 bytes) () 09/13/2011 postreply 15:52:09

• gammar01 VIX represents one standard deviation of the market’s -marketreflections- ♂ (863 bytes) () 09/13/2011 postreply 15:28:50

• •VIX of 48 – 1/3 of the time the SPX will have a daily cha -marketreflections- ♂ (3736 bytes) () 09/13/2011 postreply 15:33:02

• check01 vix001 VIX of 32 is about 1.4x SPX realized volatility 3 -marketreflections- ♂ (2467 bytes) () 09/13/2011 postreply 15:39:49

• check01 vix001 Todd Salamone Friday's VIX high of 39.25 was 68% -marketreflections- ♂ (1539 bytes) () 09/13/2011 postreply 16:09:48

• check01 vix001 3m SPX Realized Volatility (RHS) www.macroriskadv -marketreflections- ♂ (4584 bytes) () 09/13/2011 postreply 16:12:04

• check01 gammar01 www.rjofutures.com/market-news/2011/09/12/globa -marketreflections- ♂ (188 bytes) () 09/13/2011 postreply 16:18:57

• check01 vix001 Adam Warner Implied Volatility does a better job -marketreflections- ♂ (12692 bytes) () 09/13/2011 postreply 15:59:08

• check01 vix001 Adam Warner Ryan Renicker alphatrades.blogspot.c -marketreflections- ♂ (2996 bytes) () 09/13/2011 postreply 16:05:51

• check01 vix001 Adam Warner dailyoptionsreport.com/ -marketreflections- ♂ (82 bytes) () 09/13/2011 postreply 16:21:56

• check01 www.quantessential.com -marketreflections- ♂ (128 bytes) () 08/01/2011 postreply 14:40:34

• check01 www.mcoscillator.com/ -marketreflections- ♂ (78 bytes) () 08/01/2011 postreply 14:46:50

• check01 ripetrade.blogspot.com/ -marketreflections- ♂ (82 bytes) () 08/01/2011 postreply 14:48:39

• check01 vix001 communities.cboe.com/t5/What-s-On-Our-Minds -marketreflections- ♂ (246 bytes) () 08/01/2011 postreply 14:55:02

• A stock with escalating put demand would also drive the options’ -marketreflections- ♂ (4776 bytes) () 08/01/2011 postreply 15:52:50

• Leftback This is a nice set-up for a YC steepener. Shorts at the -marketreflections- ♂ (916 bytes) () 08/01/2011 postreply 16:16:40

• strong positive (negative) relation between call (put) holdings -marketreflections- ♂ (1214 bytes) () 08/01/2011 postreply 16:27:41

• check01 Harriet Agnew http://www.carlinfutures.com hedge fund -marketreflections- ♂ (3589 bytes) () 08/01/2011 postreply 17:37:52

• vix01 VXTH, which tracks the performance of a hypothetical S&P 5 -marketreflections- ♂ (2118 bytes) () 08/01/2011 postreply 11:20:09

• "微分流形参数域内的点与曲面上的点构成一一对应映射关系" -marketreflections- ♂ (22821 bytes) () 07/31/2011 postreply 16:36:48

• 欧拉法01 拉格朗日法01 同一时刻许多人据守在河道的不同断面上（如水文站）观测河道水流的运动;而拉格朗日法好比用遥感卫星测量河 -marketreflections- ♂ (5637 bytes) () 07/31/2011 postreply 16:44:43

• 欧拉法01：自相交曲线 交点处存在两类不同的切矢量01 切点处的两个芽空间01 同一时刻的不同流线互不相交。因为根据流线定义，在 -marketreflections- ♂ (38282 bytes) () 07/31/2011 postreply 16:53:45

• 色线;迹线（ｐａｔｈｌｉｎｅ）是指某一质点在某一时段内的运动轨迹线,迹线描述了同一质点在不同时刻的运动状况 -marketreflections- ♂ (42722 bytes) () 07/31/2011 postreply 17:00:02

• 欧拉法01：自相交曲线 交点处存在两类不同的切矢量01 切点处的两个芽空间01 而量子比特是由量子态相干叠加而成，一个具有两种状 -marketreflections- ♂ (1748 bytes) () 08/01/2011 postreply 21:03:58

• 很难想象暗能量或黑洞的量子性质会与很有限的自由度有关 -marketreflections- ♂ (600 bytes) () 08/01/2011 postreply 21:13:04

• stocks with HFT quotes -marketreflections- ♂ (270 bytes) () 08/02/2011 postreply 16:45:08

• HFT01 quote stuffing: a massive quote-size algo was running on N -marketreflections- ♂ (15487 bytes) () 08/02/2011 postreply 16:54:02

• vix001 The last time the market didn’t buy a sell off, but the V -marketreflections- ♂ (5211 bytes) () 08/02/2011 postreply 22:46:44

• mkt01 Markets peak and then fall, on good news, not bad. Likewis -marketreflections- ♂ (19893 bytes) () 08/02/2011 postreply 23:07:16

• the 21-day moving average of the total put-call ratio will have -marketreflections- ♂ (5735 bytes) () 08/03/2011 postreply 19:51:52

• mkt01 Jeff Augen Capitalizing us on Austerity -marketreflections- ♂ (10529 bytes) () 08/03/2011 postreply 20:02:06

• 利用密度矩阵重整化群方法可以计算有限格点系统的基态能量、低激发态能量、关联函数 -marketreflections- ♂ (17042 bytes) () 08/03/2011 postreply 20:23:18

• mkt01 portfolio01 minimize cyclical exposures aapl bidu pot -marketreflections- ♂ (10366 bytes) () 08/03/2011 postreply 21:00:54

• 全息原理01：自相交曲线 交点处存在两类不同的切矢量 一团空间内所能包含的最大熵，或者说，这团空间所能记录的信息量，存在上限。对 -marketreflections- ♂ (29387 bytes) () 08/01/2011 postreply 21:45:41

• 全息原理01：自相交曲线 "蚂蚁信息系统" -marketreflections- ♂ (101893 bytes) () 08/04/2011 postreply 18:22:58

• 蚂蚁算法的投资组合模型 -marketreflections- ♂ (1204 bytes) () 08/04/2011 postreply 18:33:22

• 转移概率是马尔可夫链中的重要概念，若马氏链分为m个状态组成，历史资料转化为由这m个状态所组成的序列。从任意一个状态出发，经过任意 -marketreflections- ♂ (6007 bytes) () 08/04/2011 postreply 18:52:38

• vol map http://www.aqumin.blogspot.com/ GLD and GDX ETFS’ are t -marketreflections- ♂ (84 bytes) () 08/04/2011 postreply 20:26:01

• PIMCO01 Investment Grade Corporate Bond ETF (NYSE: CORP ) -marketreflections- ♂ (10781 bytes) () 08/05/2011 postreply 08:06:40

• vol map tradingblock.com high beta name Tim Biggam -marketreflections- ♂ (2352 bytes) () 08/05/2011 postreply 13:54:01

• 徐卫国 美联储的量化宽松政策目的就是为了压制欧央行不能任意扩大货币基数的先天不足，但欧洲经过欧债危机连续2年的思想碰撞，已经通过 -marketreflections- ♂ (8643 bytes) () 08/05/2011 postreply 17:35:13

• ta001 A cluster of November 2010 intra-day lows were SPX 1173-11 -marketreflections- ♂ (68812 bytes) () 08/05/2011 postreply 14:04:51

• job report economist01 David Semmens -marketreflections- ♂ (1232 bytes) () 08/05/2011 postreply 14:44:43

• check01 blogs.wsj.com/economics/ -marketreflections- ♂ (48640 bytes) () 08/05/2011 postreply 14:56:37

• trader01 Rick Bensignor look at the last six months of price act -marketreflections- ♂ (24313 bytes) () 08/05/2011 postreply 15:35:21

• round top or bottom, retail in and out, not contributing -marketreflections- ♂ (71 bytes) () 08/05/2011 postreply 15:38:07

• check01 morelivers.blogspot.com Risk transfer from the periphery -marketreflections- ♂ (354 bytes) () 08/05/2011 postreply 15:56:08

• 瑞利散射 白云是由大气中的水滴组成的，由于这些水滴的半径与可见光的波长相比已不算很小，瑞利散射不再适用，这样，水滴产生的散射与波 -marketreflections- ♂ (9898 bytes) () 08/06/2011 postreply 15:49:53

• 在光学性质完全均匀的物质中，由于物质的原子性结构而存在着的不均匀性远小于波长，可略去不计，故光的散射作用不应该发生，但实际上甚至 -marketreflections- ♂ (470 bytes) () 08/06/2011 postreply 15:53:19

• 散射过程最主要的特点是散射粒子的波函数，一般来说，在无穷远处并不为零。而且，入射粒子的能量通常是给定的。散射粒子在无穷元处的波函 -marketreflections- ♂ (2052 bytes) () 08/06/2011 postreply 16:11:28

• 对应连续谱的波函数ψE(x)，数学上可按狄拉克的δ函数规格化 -marketreflections- ♂ (2290 bytes) () 08/06/2011 postreply 16:17:42

• 无机化学01 光电子能谱上的峰对应于从分子不同能级上发射出来的光电子的动能 -marketreflections- ♂ (1200 bytes) () 08/06/2011 postreply 16:33:50

• 警报器也使用白噪声,對所有時間其平均值為零的隨機過程，並且它的自相關函數是狄拉克δ函數，有無限大的功率,信號在各個频段上的功率是 -marketreflections- ♂ (76962 bytes) () 08/06/2011 postreply 16:43:53

• 狄拉克δ函数01 连续谱的本征波函数可以规格化为8函数 -marketreflections- ♂ (2275 bytes) () 08/06/2011 postreply 16:53:47

• 狄拉克δ函数01 是某种分布按参数取极限的过程 -marketreflections- ♂ (4740 bytes) () 08/06/2011 postreply 16:59:18

• 平面波01. 本征值p r. 连续取值，构成连续谱:归到Dirac的δ 函数（即δ 归一化，也可叫“规格化”）. 考虑积分： . -marketreflections- ♂ (4644 bytes) () 08/06/2011 postreply 17:05:59

• 理想的白噪声具有无限带宽，因而其能量是无限大,"平面波白噪声" -marketreflections- ♂ (387 bytes) () 08/06/2011 postreply 17:09:31

• 白噪声像收音机的空白频段，粉红则像电视机空白段的声音，红噪音则像大海……红噪音还是比较好听的…= = 还有就是这些噪音的频段不同 -marketreflections- ♂ (161 bytes) () 08/06/2011 postreply 17:13:39

• 三種顏色均重疊的部分則呈現白色:人眼视觉特性 从空间频率域来看，人眼是一个低通型线性系统，分辨景物的能力是有限的。由于瞳孔有一定 -marketreflections- ♂ (6777 bytes) () 08/06/2011 postreply 17:18:39

• 通信原理经典讲义01 白高斯噪声通过某带通或低通型线性系统H ( f ) 后的输出是0 ,均值平稳高斯过程,功率（方差）为σ2 -marketreflections- ♂ (1555 bytes) () 08/06/2011 postreply 17:29:33

• whitenoise01 随机过程一般都是二阶矩过程，这种随机过程一般都只涉及其均值函数和相关函数的讨论，白噪声的相关函数只有在 -marketreflections- ♂ (18217 bytes) () 08/06/2011 postreply 17:40:27

• 随机过程01 研究随机过程的一个重要切入点是研究一个随机过程的数字特征（有限维分布一般很难求得），数字特征主要包括数学期望、相关 -marketreflections- ♂ (313 bytes) () 08/06/2011 postreply 17:42:52

• 中国科学院随机过程讲义 严平稳随机过程，只有它二阶矩存在时，它才是宽平稳过程 -marketreflections- ♂ (1757 bytes) () 08/06/2011 postreply 17:44:30

• 神经网络简介 积分的下极限有效的取为 ，使得Dirac delta 函数 的拉普拉斯变换等于1;白噪声,自相關函數是狄拉克δ函數 -marketreflections- ♂ (19329 bytes) () 08/06/2011 postreply 17:48:54

• 希尔伯特条件 多层分割的区域上寻求这样一种分区全纯函数，它在一部分边界上满足黎曼条件，而在另外的边界上满足希尔伯特条件 -marketreflections- ♂ (4488 bytes) () 08/06/2011 postreply 18:03:23

• 积分的“全空间”本身就是时间t的函数的话，那就有一个问题，即如果空间的大小是时间的函数的话，那空间的度规也必然是时间t的函数了吧 -marketreflections- ♂ (36606 bytes) () 08/06/2011 postreply 18:27:44

• 散射都是二階段過程（second-order process）──先吸收光元躍遷到一中介能階（所謂「虛能 -marketreflections- ♂ (2200 bytes) () 08/06/2011 postreply 20:30:34

• 量子电动力学 由于不确定关系，真空不是对应“零”，而是“正”和“负”之间“来回振荡”，其平均值为零，但方差均值并不为零，通常所说 -marketreflections- ♂ (16941 bytes) () 08/06/2011 postreply 20:37:21

• 江兴流提出的涡旋动力学（Vortex Dynamics）模型。涡旋动力学模型的主要论点在于：局域瞬态非平衡体系产生涡旋，而涡旋的 -marketreflections- ♂ (1901 bytes) () 08/06/2011 postreply 20:53:13

• 量子场论01 作用量 粒子世界线在时空中的长度，具有庞加莱对称性和参数变换对称性;从现在的观点来说，只有两种对象：有限自由度的系 -marketreflections- ♂ (28209 bytes) () 08/06/2011 postreply 21:14:35

• 质量必定受到对称性的约束,质量公式中的参数和微扰质量矩阵的表示。可是可是像往常所有时候一样，留有参数待定。至于这些待定的参数缘何 -marketreflections- ♂ (5366 bytes) () 08/06/2011 postreply 21:31:16

• 张茉楠：旧增长模式失灵 全球变革已无退路 growthmodel01 -marketreflections- ♂ (6237 bytes) () 08/07/2011 postreply 11:05:05

• ecbmodel01 1998年成立的欧洲央行其首要的货币政策目标是维持物价稳定，次要目标才是促进高水平就业和可持续、非通胀性的 -marketreflections- ♂ (4558 bytes) () 08/07/2011 postreply 11:10:42

• 回复：whitenoise01 随机过程一般都是二阶矩过程，这种随机过程一般都只涉及其均值函数和相关函数的讨论，白噪声的相关函数 -marketreflections- ♂ (6791 bytes) () 08/07/2011 postreply 11:21:32

• 高通或低通滤波器无法轻易滤除的噪声很多，最常见的就是白噪声。白噪声在整个频谱内每个频点的能量为常数，且基本恒定，不管对信号进行低 -marketreflections- ♂ (5671 bytes) () 08/07/2011 postreply 11:41:35

• gs01 on italy ecb -marketreflections- ♂ (54229 bytes) () 08/07/2011 postreply 12:10:48

• check01 morelivers.blogspot.com/ 從量子物理的觀點，光的散射都是二階段過程（second-ord -marketreflections- ♂ (1810 bytes) () 08/07/2011 postreply 12:42:36

• physics01 www.scu.edu.tw/physics/teacher/ytliu/book/quantum/7-2. -marketreflections- ♂ (2119 bytes) () 08/07/2011 postreply 12:46:51

• Niederhoffer computational neuroscience We see what’s happening -marketreflections- ♂ (8196 bytes) () 08/07/2011 postreply 16:51:09

• risk01 a general increase in risk premia and volatility -marketreflections- ♂ (5753 bytes) () 08/07/2011 postreply 17:06:39

• risk01 liken cash to a call option on uncertainty whether our es -marketreflections- ♂ (4415 bytes) () 08/07/2011 postreply 17:20:51

• check01 www.economonitor.com/ -marketreflections- ♂ (78 bytes) () 08/07/2011 postreply 21:00:28

• whitenoise01 VIX popped more than 6.5% in only a few minutes. A -marketreflections- ♂ (6115 bytes) () 08/07/2011 postreply 21:10:19

• whitenoise01 Adam Warner 08072011 August futures (bet on vix cas -marketreflections- ♂ (3893 bytes) () 08/07/2011 postreply 21:27:58

• whitenoise01 The VIX hit 80 during the peak of the 2008 financia -marketreflections- ♂ (2355 bytes) () 08/07/2011 postreply 21:36:28

• vix01 STEVEN M. SEARS Michael Schwartz, Oppenheimer & Co.'s chie -marketreflections- ♂ (14716 bytes) () 08/07/2011 postreply 21:44:55

• whitenoise01 vix=48 arrived at last year, during the 21 May 2010 -marketreflections- ♂ (3398 bytes) () 08/07/2011 postreply 21:58:22

• whitenoise01 Monthly Trading Report (July 2011) -marketreflections- ♂ (188 bytes) () 08/07/2011 postreply 22:08:44

• 一阶和二阶过程的原理: 从数学上讲，一个连续过程的阶次等同于该过程的控制方程中微分算子的个数 -marketreflections- ♂ (4819 bytes) () 08/08/2011 postreply 10:57:33

• 一阶、二阶系统的瞬态响应 -marketreflections- ♂ (1987 bytes) () 08/08/2011 postreply 11:06:18

• 典型的二阶系统过渡过程通常表现为欠阻尼、. 过阻尼以及临界阻尼三种形式。我们可以通过改变. 系统的参数M, C, K 调节底层运 -marketreflections- ♂ (1372 bytes) () 08/08/2011 postreply 12:27:11

• check01 Peter Tchir 阻尼 在电学中，差不多就是响应时间的意思 ;在机械物理学中，系统的能量的减小——阻尼振动 -marketreflections- ♂ (7237 bytes) () 08/08/2011 postreply 16:03:01

• check01 Peter Tchir even down 14 points on the SPX, the market f -marketreflections- ♂ (7759 bytes) () 08/08/2011 postreply 16:12:11

• check01 Reggie Middleton Armageddon Put Trade watching for a Fre -marketreflections- ♂ (25808 bytes) () 08/08/2011 postreply 16:21:00

• check001 boombustblog.com/BoomBustBlog/Trading-the-US-Treasury-D -marketreflections- ♂ (214 bytes) () 08/08/2011 postreply 16:29:49

• check001 ReggieMiddleton there’s still a plausible case for 10Y -marketreflections- ♂ (15182 bytes) () 08/08/2011 postreply 16:35:07

• check01 BarclayHedge/TrimTabs www.indexuniverse.com/sections/fea -marketreflections- ♂ (6890 bytes) () 08/08/2011 postreply 21:08:35

• hedge01 Spengler I consider this a liquidity event like 1987 rat -marketreflections- ♂ (15075 bytes) () 08/08/2011 postreply 21:21:37

• check01 riskpremium01 doug kass the ratio between normalized ea -marketreflections- ♂ (16220 bytes) () 08/09/2011 postreply 17:29:25

• check01 MacroStory.com The pattern is a series of rallies some r -marketreflections- ♂ (5656 bytes) () 08/08/2011 postreply 21:53:28

• They have succeeded in repealing the Glass-Steagall Act on Nov 1 -marketreflections- ♂ (9216 bytes) () 08/09/2011 postreply 08:45:09

• gold parabolic: Greenspan Gold stands in the way of this insidio -marketreflections- ♂ (10568 bytes) () 08/09/2011 postreply 13:50:07

• Frank Holmes gold love trade east trade fear trade -marketreflections- ♂ (6375 bytes) () 08/09/2011 postreply 14:03:05

• check01 Russ Certo creditors are thinking as they are spending r -marketreflections- ♂ (3822 bytes) () 08/09/2011 postreply 14:26:38

• physical economy, slow growth; financial economy broken,The mil -marketreflections- ♂ (5262 bytes) () 08/09/2011 postreply 14:49:08

• air pocket or gap: no resistence or support, thin trade:index ha -marketreflections- ♂ (30004 bytes) () 08/09/2011 postreply 15:20:42

• For the moment the best measure of the cost of capital is gold. -marketreflections- ♂ (180587 bytes) () 08/09/2011 postreply 15:40:10

• short complacency, and long energy/geopolitical plays,which I do -marketreflections- ♂ (13666 bytes) () 08/09/2011 postreply 15:55:07

• check01 Bob Pisani Also: the Fed has "punted" stimulus discussio -marketreflections- ♂ (10638 bytes) () 08/09/2011 postreply 17:15:41

• check01 Simon Hallett mutual-fund investors have had a split per -marketreflections- ♂ (6613 bytes) () 08/09/2011 postreply 17:40:03

• check01 jim bianco John Mauldin Global Capital Shift Is Accelera -marketreflections- ♂ (2788 bytes) () 08/09/2011 postreply 17:43:26

• check01 paul.kedrosky.com ecb balance sheet not expanded, compar -marketreflections- ♂ (16228 bytes) () 08/09/2011 postreply 18:30:26

• check01 kitco.com CFTC Commodity Futures Trading Commission’s we -marketreflections- ♂ (5833 bytes) () 08/09/2011 postreply 18:38:09

• gold Christopher Barker Jim Sinclair -marketreflections- ♂ (16336 bytes) () 08/09/2011 postreply 18:50:17

• gold01 usd01 ratio of paper gold to physical gold (45:1) to the -marketreflections- ♂ (7532 bytes) () 08/10/2011 postreply 14:40:56

• in 2008, we would note a significant difference: gold was fallin -marketreflections- ♂ (9069 bytes) () 08/10/2011 postreply 15:11:46

• Blow-off top? Swissy Goes Parabolic -marketreflections- ♂ (334 bytes) () 08/10/2011 postreply 15:20:31

• Flakmeister $2500 may be for real, but there is a host of new l -marketreflections- ♂ (638 bytes) () 08/10/2011 postreply 17:45:09

• TA01 reached the 20-day moving average on the first attempt, but -marketreflections- ♂ (2335 bytes) () 08/11/2011 postreply 10:50:20

• “Gold VIX” (GVZ) “benchmark barometer of the U.S. Debt Super Com -marketreflections- ♂ (21032 bytes) () 08/11/2011 postreply 05:13:01

• vix01 expiration quickly approaching for VIX options and future -marketreflections- ♂ (889 bytes) () 08/11/2011 postreply 08:06:20

• Martin Fridson，美国高收益债券市场现在把衰退的几率定在了30%，而且还在上升中,没有可用的杠杆能够改变这个几率 -marketreflections- ♂ (2171 bytes) () 08/10/2011 postreply 14:49:44

• capital01 An introduction to capital markets: products, strategi -marketreflections- ♂ (656 bytes) () 08/11/2011 postreply 09:24:51

• eurobank01 european (especially French) banks pretty much found -marketreflections- ♂ (62240 bytes) () 08/11/2011 postreply 09:38:51

• credit01 Michael Shaoul,Credit cycles have tremendous momentum, -marketreflections- ♂ (580 bytes) () 08/11/2011 postreply 09:58:48

• gold01 traderrog.wordpress.com/ -marketreflections- ♂ (230 bytes) () 08/10/2011 postreply 15:00:09

• gold01 www.jsmineset.com www.TraderDan.net -marketreflections- ♂ (14706 bytes) () 08/09/2011 postreply 19:00:14

• trader001 Kathy Boyle Nicholas Colas suckerrally01 Once it rall -marketreflections- ♂ (15797 bytes) () 08/10/2011 postreply 12:07:35

• check01 "tobias levkovich cost of capital" -marketreflections- ♂ (193 bytes) () 08/10/2011 postreply 12:33:45

• bank01 Fred Cannon Richard Bove low rate structure 'helicopter B -marketreflections- ♂ (28306 bytes) () 08/10/2011 postreply 14:20:59

• eurobanks01 Steve Slater The ECB's use of repurchase operations, -marketreflections- ♂ (19974 bytes) () 08/10/2011 postreply 15:28:34

• gold01 gold to get back to prior highs in inflation- adjusted t -marketreflections- ♂ (35664 bytes) () 08/10/2011 postreply 15:44:09

• check01 ibankcoin.com/ -marketreflections- ♂ (64 bytes) () 08/10/2011 postreply 16:18:37

• eurobank01 Bruce Krasting Chris Whalen french 15% of us mmf -marketreflections- ♂ (83354 bytes) () 08/10/2011 postreply 16:28:51

• eurobank01 www.voxeu.org The debt fears reach the core -marketreflections- ♂ (8787 bytes) () 08/11/2011 postreply 12:07:55

• economist01 Stephen King Mike Dolan macro01 Bretton Woods II. -marketreflections- ♂ (7375 bytes) () 08/11/2011 postreply 05:29:19

• fx01 Robert Sinche The volatility will move on to the equities -marketreflections- ♂ (23798 bytes) () 08/11/2011 postreply 06:11:55

• fx01 Adarsh Sinha When the slowdown spreads to the rest of the w -marketreflections- ♂ (14248 bytes) () 08/11/2011 postreply 06:22:07

• 掌控华尔街交易的计算机算法 -marketreflections- ♂ (11995 bytes) () 08/01/2011 postreply 21:57:25

• 非均匀流中的流线有弯曲或流线之间有夹角,均匀流中的流线为一平行的直线簇 -marketreflections- ♂ (30047 bytes) () 07/31/2011 postreply 17:03:39

• 有旋流与通常的旋转（图３ －１８ｂ）不同，其区别在于有旋流的流体质点绕自身任意轴旋转,有旋流一般存在于有粘性的实际流体中 -marketreflections- ♂ (57810 bytes) () 07/31/2011 postreply 17:10:09

• 流体的连续性微分方程的一般形式,在流场内取一微元六面体为控制体,设中心点O′的流速为ux 、uy 、uz 。以x 轴方向为例，分 -marketreflections- ♂ (14837 bytes) () 07/31/2011 postreply 17:13:26

• adx01 按一定的规则比较每日股价波动产生的最高价、最低价和收盘价，计算出每日股价的波动的真实波幅、上升动向值、下降动向值TR -marketreflections- ♂ (17894 bytes) () 07/19/2011 postreply 15:44:08

• adx01 DMI克服贪婪和恐惧的指标 google "DMI克服贪婪和恐惧的指标" -marketreflections- ♂ (47097 bytes) () 07/19/2011 postreply 15:56:33

• 开普勒第三定律 T 2 = C0 R3 C F∝ 2 R 由牛顿第三定律施力是相互的。所以C 由牛顿第三定律施力是相互的。所以 -marketreflections- ♂ (1771 bytes) () 07/20/2011 postreply 13:54:56

• key trend line (引力常数，度规) in early June. Look for more support fr -marketreflections- ♂ (4688 bytes) () 07/20/2011 postreply 14:49:19

• check01 ah01 www.thestreet.com/author/1164351/MichaelBaron/all. -marketreflections- ♂ (144 bytes) () 07/20/2011 postreply 15:23:11

• rsi01 Sell signal: when BB < Mean and RSI < 40. Buy Signal: when -marketreflections- ♂ (12912 bytes) () 07/20/2011 postreply 15:29:13

• ta01 wilmott.com When BB > Upper band and RSI > 70,Sell signal: -marketreflections- ♂ (37789 bytes) () 07/20/2011 postreply 15:40:45

• ta001 www.ninjatrader.com/support/forum/ wilmott.com -marketreflections- ♂ (252 bytes) () 07/20/2011 postreply 15:47:42

• ta001 SAR01 mytradingsysterm.blogspot.com -marketreflections- ♂ (11328 bytes) () 07/20/2011 postreply 15:59:57

• 飞机在空气中以小于70米／秒速度飞行时），气体亦可视为不可压缩流体 -marketreflections- ♂ (20459 bytes) () 07/20/2011 postreply 16:29:49

• 但对于流场内压力变化较小的情形（如飞机在空气中以小于70米／秒速度飞行时），气体亦可视为不可压缩流体。（空气此时的密度相对变化在 -marketreflections- ♂ (273 bytes) () 07/20/2011 postreply 20:18:33

• 声波是微弱扰动波的一种。在不可压缩流体中，微弱扰动的传播速度是无限大；这是因为这种流体可视为刚体，扰动传播不需要时间。实际的气体 -marketreflections- ♂ (16372 bytes) () 07/20/2011 postreply 20:31:55

• Market breadth,so many institutions and hedge funds act in conce -marketreflections- ♂ (19553 bytes) () 07/21/2011 postreply 11:58:54

• hedgefund01 The AAPL straddle is about 21 dollars;AAPL or GOOG I -marketreflections- ♂ (4997 bytes) () 07/21/2011 postreply 12:05:38

• ta001 samuraitrader.blogspot.com/ -marketreflections- ♂ (90 bytes) () 07/21/2011 postreply 13:10:22

• bidu er During the past three months, analysts have been adjusti -marketreflections- ♂ (3869 bytes) () 07/21/2011 postreply 15:10:02

• bidu01 搜索引擎优化(SEO)、搜索引擎营销(SEM)、ascending contination triangle -marketreflections- ♂ (5067 bytes) () 07/21/2011 postreply 17:21:05

• macd01 大盘60分钟MACD白线和黄线有靠拢的需求，也就是短期反弹开始。一旦靠拢就是短期减仓的最好机会，等待三次MACD张 -marketreflections- ♂ (141 bytes) () 07/21/2011 postreply 15:30:03

• macd01 大盘60分钟MACD白线和黄线昨天出现二次靠拢，预示短期反弹结束。现在MACD第3次开始张开，得等MACD到最大， -marketreflections- ♂ (256 bytes) () 07/21/2011 postreply 15:34:01

• macd01 海豚张开嘴喝水 -marketreflections- ♂ (1323 bytes) () 07/21/2011 postreply 15:47:36

• ta001 esignallearning.com An ADX Volume Breakout Basic Trading S -marketreflections- ♂ (2183 bytes) () 07/20/2011 postreply 20:14:37

• . Most of these puts have traded at the bid price, hinting at se -marketreflections- ♂ (2195 bytes) () 07/22/2011 postreply 13:29:19

• 切向加速度 运动物体受到不止一个力的作用，这些力的合力方向往往与运动物体的瞬时速度有一个夹角，这时对合外力沿运动轨迹的切线方向和 -marketreflections- ♂ (1456 bytes) () 07/19/2011 postreply 16:03:37

• 法向是与切向相对应的两个量。切向是指沿曲线的切线方向，而法向是指过切点与切线垂直的方向(对应的线分别叫切线和法线，法线在几何光学 -marketreflections- ♂ (352 bytes) () 07/19/2011 postreply 16:07:43

• 气体动力学基础 欧拉法1．拉格朗日(Lagrange)法1．拉格朗日(Lagrange)法 -marketreflections- ♂ (1953 bytes) () 07/19/2011 postreply 16:09:43

• mit guess -marketreflections- ♂ (106 bytes) () 07/19/2011 postreply 11:55:08

• mit guess Newton's Method -marketreflections- ♂ (542 bytes) () 07/19/2011 postreply 12:17:55

• PengTitus Green格林定理的证明 面积分和线积分的转换 -marketreflections- ♂ (106 bytes) () 07/19/2011 postreply 13:58:09

• 曲面上正交参数曲线网的存在性在正交参数曲线网下，第一基本形式比较简2 2 单 -marketreflections- ♂ (4935 bytes) () 07/19/2011 postreply 14:19:58

• 曲面上正交参数曲线网01 全息理论01 emt01 核磁共振仪。仪器通过引导磁场，让质子、中子等小磁体不断变换角度，风一般穿过 -marketreflections- ♂ (4352 bytes) () 07/24/2011 postreply 07:40:49

• 市场是个全息市场，也是多空信息交织的市场，所以，牛眼看牛，牛理十八条，熊眼看市，空穴也来风 -marketreflections- ♂ (161 bytes) () 07/24/2011 postreply 08:12:42

• 黑洞有熵，意味着它包含着巨大的微观自由度。不仅如此，黑洞还有温度，还有热辐射;意味着它具有大量的微观状态数。此熵又正比于视界的面 -marketreflections- ♂ (10964 bytes) () 07/24/2011 postreply 08:59:01

• "物光与参考光坐标系" -marketreflections- ♂ (57310 bytes) () 07/24/2011 postreply 08:24:50

• AdS时空对应于边界上0温度的量子场；而有温度的黑洞对应于有温度的量子场;量子引力是全息的，它的自由度是非局域的，而（经典引力的 -marketreflections- ♂ (771 bytes) () 07/24/2011 postreply 08:47:19

• 热力学第一定律是能量守恒定律对非孤立系统的扩展。此时能量可以以功W或热量Q的形式传入或传出系统。 -marketreflections- ♂ (4563 bytes) () 07/24/2011 postreply 08:53:04

• 广义相对论本身要求能量均分定理，能量均分定理,只是在高温和自由气体的情况下是正确的，那么，这个全息系统很特殊。Unruh温度似乎 -marketreflections- ♂ (4655 bytes) () 07/24/2011 postreply 08:55:38

• check01 einsteinchina.com 卡诺定理 热力学第二定律 状态函数 "S" -marketreflections- ♂ (6777 bytes) () 07/24/2011 postreply 09:41:55

• 系统内部状态,有热流或粒子流（电流）情况下,各处宏观状态均不随时间变化的状态称为稳恒态 -marketreflections- ♂ (21390 bytes) () 07/24/2011 postreply 09:57:45

• vol01 信息论中，熵是对系统无知度（或信息量欠缺）的量度。处理信息的能量消耗问题,1比特的信息量等于loge2，对应的熵为- -marketreflections- ♂ (897 bytes) () 07/24/2011 postreply 10:19:14

• 自由度(degree of freedom, df)在数学中能够自由取值的变量个数，如有3个变量x、y、z，但x+y+z=18， -marketreflections- ♂ (18035 bytes) () 07/25/2011 postreply 14:49:20

• 液体存在自由表面，舰船在水面上航行时会引起船波，需要研究波浪问题 -marketreflections- ♂ (23705 bytes) () 07/25/2011 postreply 14:53:08

• 牛顿力学或者广义相对论恰好相当于宏观的弹性理论，而全息原理01就扮演原子理论的角色 -marketreflections- ♂ (1470 bytes) () 07/24/2011 postreply 15:29:19

• 自由度01 是一個基本理論的重要性質 紫外截斷的引入使得一定空間體積中的自由度成為有限，很類似將連續的空間變成格子，所以自由度的 -marketreflections- ♂ (10368 bytes) () 07/24/2011 postreply 17:42:25

• 自由度01 吉布斯相律说明了在特定相态下，系统的自由度跟其他变量的关系。 -marketreflections- ♂ (18465 bytes) () 07/24/2011 postreply 17:54:19

• "系統全息原理波函数":普里布拉姆相信我们的脑部根据外在波动的输入，以数学方式建立出“坚硬”的现实。这种想法也得到许多实验上的支 -marketreflections- ♂ (24226 bytes) () 07/24/2011 postreply 18:17:35

• Hogan 宇宙想成一个球体，它的外表面覆盖着普朗克长度见方的正方形，每一片正方形都包含一比特的信息。根据全息原理，宇宙外表面包 -marketreflections- ♂ (1301 bytes) () 07/24/2011 postreply 18:25:29

• 全息原理(The Holographic Principle)是由 1999年诺贝尔物理学奖获得者、荷兰乌得 勒支大学的特·霍夫 -marketreflections- ♂ (2970 bytes) () 07/24/2011 postreply 18:31:47

• 波函数01 E、V、m表示电子的微粒性；ψ表示电子的波动性，是x、y、z的函数， -marketreflections- ♂ (7213 bytes) () 07/24/2011 postreply 21:22:14

• 要同时考虑位置和动量，就必须转到位形空间的余切丛中。这个更大的空间称为系统的相空间。简单说来，一个位形空间通常是一个相空间（参看 -marketreflections- ♂ (3586 bytes) () 07/25/2011 postreply 08:29:48

• 统计系综:这只猴子有七十二般变化，每一种变化可以看成它的一种量子态，这七十二般变化组成的集合可以看作一个系综，就可以用统计系综的 -marketreflections- ♂ (19517 bytes) () 07/24/2011 postreply 21:33:34

• 传统的DFT―LDA是预言多电子体系基态性质的理论.对于激发态性质的描述总是与 实验不符合,这固然因为(1)激发态本身存在着复杂 -marketreflections- ♂ (16865 bytes) () 07/24/2011 postreply 21:47:42

• 统计系综:量子体系激发态,长程库仑相互作用, -marketreflections- ♂ (21226 bytes) () 07/24/2011 postreply 21:56:50