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10 December 2022
8 December 2022
- 11:1911:19, 8 December 2022 diff hist +134 General Circulation(Fall 2022) →Assignments
- 11:1711:17, 8 December 2022 diff hist +158 General Circulation(Fall 2022) →Course Slides
5 December 2022
- 03:3303:33, 5 December 2022 diff hist +310 General Circulation(Fall 2022) →Announcement
- 03:2803:28, 5 December 2022 diff hist +158 General Circulation(Fall 2022) →Course Slides
2 December 2022
- 03:0203:02, 2 December 2022 diff hist +46 General Circulation(Fall 2022) →Course Slides
- 02:3502:35, 2 December 2022 diff hist +82 General Circulation(Fall 2022) →Course Slides
- 02:2202:22, 2 December 2022 diff hist +16 General Circulation(Fall 2022) →Assignments
30 November 2022
- 05:5505:55, 30 November 2022 diff hist +151 高级算法 (Fall 2022) →Lecture Notes
- 05:5405:54, 30 November 2022 diff hist +486 高级算法 (Fall 2022) →Lecture Notes
29 November 2022
- 15:2315:23, 29 November 2022 diff hist +2,459 N Assignment 4, Fall 2022 Created page with "在第四章中，我们从准地转近似下的纬向平均风场、温度场的趋势方程出发，定义了E-P通量。但是该定义下的E-P通量并没有考虑到大气湿过程的影响。如果从第三章介绍的水汽方程出发，我们可以按照以下步骤定义出一个包含大气大尺度运动中湿过程作用的广义的E-P通量。 1）在准地转近似下，如果我们按照对热力学方程的简化方法，将比湿（specific humidity..." current
- 15:2215:22, 29 November 2022 diff hist +54 General Circulation(Fall 2022) →Assignments
28 November 2022
25 November 2022
- 03:4903:49, 25 November 2022 diff hist −1 General Circulation(Fall 2022) →Course Slides
- 03:4803:48, 25 November 2022 diff hist +212 General Circulation(Fall 2022) →Course Slides
23 November 2022
- 05:5105:51, 23 November 2022 diff hist +822 N Namelist Assignment 3 2022 Created page with "姓名 学号 周榆杰 191870288 罗健峰 191830098 欧阳玥芸 191830111 代欣怡 652022280002 丁宇轩 502022280004 窦吉斌 502022280006 方旭 502022280008 付凯杰 502022280009 何世诚 502022280011 胡书挥 502022280012 李晨曦 652022280005 李惠林 502022280016 李颜昀 502022280018 李颖 502022280019 林齐颢 502022280021 刘洪江 502022280024 刘芷含 502022280026 闵隽玉 502022280028 倪乘岚 5020222..." current
- 05:5105:51, 23 November 2022 diff hist +55 General Circulation(Fall 2022) →Assignments
19 November 2022
- 15:4515:45, 19 November 2022 diff hist +33,826 N 高级算法 (Fall 2022)/Greedy and Local Search Created page with "= Scheduling = We consider the following scheduling problem: * There are <math>n</math> '''jobs''' to be processed. * There are <math>m</math> identical parallel '''machines'''. Each machine can start processing jobs at time 0 and can process at most one job at a time. * Each job <math>j=1,2,\ldots, n</math> must be processed on one of these machines for <math>p_j</math> time units without interruption. <math>p_j</math> is called the '''processing time''' of job <math>j..." current
- 15:4215:42, 19 November 2022 diff hist +522 高级算法 (Fall 2022) →Lecture Notes
17 November 2022
- 14:1714:17, 17 November 2022 diff hist +155 General Circulation(Fall 2022) →Course Slides
- 14:1614:16, 17 November 2022 diff hist +83 General Circulation(Fall 2022) →Course Slides
13 November 2022
10 November 2022
9 November 2022
- 11:2311:23, 9 November 2022 diff hist +130 General Circulation(Fall 2022) →Course Slides
- 11:2211:22, 9 November 2022 diff hist +69 General Circulation(Fall 2022) →Announcement
- 11:1911:19, 9 November 2022 diff hist 0 Namelist Assignment 2 2022 No edit summary current
- 11:1711:17, 9 November 2022 diff hist +822 N Namelist Assignment 2 2022 Created page with "姓名 学号 周榆杰 191870288 罗健峰 191830098 欧阳玥芸 191830111 代欣怡 652022280002 丁宇轩 502022280004 窦吉斌 502022280006 付凯杰 502022280009 何世诚 502022280011 胡书挥 502022280012 李晨曦 652022280005 李惠林 502022280016 李颜昀 502022280018 李颖 502022280019 林齐颢 502022280021 刘洪江 502022280024 刘芷含 502022280026 闵隽玉 502022280028 倪乘岚 502022280030 孙楚 502022..."
- 11:1711:17, 9 November 2022 diff hist 0 General Circulation(Fall 2022) →Assignments
- 11:1611:16, 9 November 2022 diff hist +55 General Circulation(Fall 2022) →Assignments
2 November 2022
- 04:2704:27, 2 November 2022 diff hist 0 高级算法 (Fall 2022) →Lecture Notes
- 04:2504:25, 2 November 2022 diff hist 0 高级算法 (Fall 2022) →Lecture Notes
- 04:2404:24, 2 November 2022 diff hist +506 高级算法 (Fall 2022) →Lecture Notes
1 November 2022
- 10:2310:23, 1 November 2022 diff hist +198 General Circulation(Fall 2022) →Announcement
- 10:1010:10, 1 November 2022 diff hist +1,093 N Assignment 3, Fall 2022 Created page with "Held-Hou(1980) 讨论了当外部强迫的经向分布呈二次勒让德多项式，即<math>\dfrac{\Theta_E(\phi,z)}{\Theta_o}=1-\dfrac{2}{3}\Delta_H P_2(\sin \phi)+\Delta_v(\dfrac{z}{H}-\dfrac{1}{2})</math>的情况下，哈德莱环流内的风场、温度场、环流的空间范围等将怎样随纬度和外力强迫的强度而变化。 如果将外力强迫的空间分布改为<math>\dfrac{\Theta_E(\phi,z)}{\Theta_o}=1-\Delta_H(\sin^3 \phi - \dfrac{1}{4})+\Delta_v..." current
- 10:0910:09, 1 November 2022 diff hist −11 General Circulation(Fall 2022) →Assignments
- 10:0810:08, 1 November 2022 diff hist +59 General Circulation(Fall 2022) →Assignments
- 10:0710:07, 1 November 2022 diff hist +59 General Circulation(Fall 2022) →Assignments
31 October 2022
27 October 2022
- 04:5504:55, 27 October 2022 diff hist +22 Namelist Assignment 1 2022 No edit summary current
- 02:4002:40, 27 October 2022 diff hist +33 Namelist Assignment 1 2022 No edit summary
- 02:3902:39, 27 October 2022 diff hist +789 N Namelist Assignment 1 2022 Created page with "姓名 学号 周榆杰 191870288 罗健峰 191830098 欧阳玥芸 191830111 孙森灿 191830136 代欣怡 652022280002 丁宇轩 502022280004 窦吉斌 502022280006 付凯杰 502022280009 何世诚 502022280011 胡书挥 502022280012 李晨曦 652022280005 李惠林 502022280016 李颜昀 502022280018 李颖 502022280019 林齐颢 502022280021 刘洪江 502022280024 刘芷含 502022280026 闵隽玉 502022280028 倪乘岚 502022280030 孙楚 5020..."
- 02:3102:31, 27 October 2022 diff hist +56 General Circulation(Fall 2022) →Assignments
24 October 2022
- 09:3209:32, 24 October 2022 diff hist +16,764 N 高级算法 (Fall 2022)/Dimension Reduction Created page with "= Metric Embedding= A '''metric space''' is a pair <math>(X,d)</math>, where <math>X</math> is a set and <math>d</math> is a '''metric''' (or '''distance''') on <math>X</math>, i.e., a function :<math>d:X^2\to\mathbb{R}_{\ge 0}</math> such that for any <math>x,y,z\in X</math>, the following axioms hold: # (identity of indiscernibles) <math>d(x,y)=0\Leftrightarrow x=y</math> # (symmetry) <math>d(x,y)=d(y,x)</math> # (triangle inequality) <math>d(x,z)\le d(x,y)+d(y,z)</ma..." current
- 09:3209:32, 24 October 2022 diff hist 0 高级算法 (Fall 2022) →Lecture Notes
- 09:3209:32, 24 October 2022 diff hist +523 高级算法 (Fall 2022) →Lecture Notes
20 October 2022
13 October 2022
- 12:4012:40, 13 October 2022 diff hist +7 General Circulation(Fall 2022) →Course Slides
- 05:2505:25, 13 October 2022 diff hist +270 General Circulation(Fall 2022) →Course Slides
11 October 2022
- 12:5312:53, 11 October 2022 diff hist +10,715 N 高级算法 (Fall 2022)/Conditional expectations Created page with "= Conditional Expectations = The '''conditional expectation''' of a random variable <math>Y</math> with respect to an event <math>\mathcal{E}</math> is defined by :<math> \mathbf{E}[Y\mid \mathcal{E}]=\sum_{y}y\Pr[Y=y\mid\mathcal{E}]. </math> In particular, if the event <math>\mathcal{E}</math> is <math>X=a</math>, the conditional expectation :<math> \mathbf{E}[Y\mid X=a] </math> defines a function :<math> f(a)=\mathbf{E}[Y\mid X=a]. </math> Thus, <math>\mathbf{E}[Y\mid..." current
- 12:5312:53, 11 October 2022 diff hist +41,013 N 高级算法 (Fall 2022)/Concentration of measure Created page with "=Chernoff Bound= Suppose that we have a fair coin. If we toss it once, then the outcome is completely unpredictable. But if we toss it, say for 1000 times, then the number of HEADs is very likely to be around 500. This phenomenon, as illustrated in the following figure, is called the '''concentration''' of measure. The Chernoff bound is an inequality that characterizes the concentration phenomenon for the sum of independent trials. File:Coinflip.png|border|450px|cent..." current