User contributions for Etone

11 October 2022

• 12:5212:52, 11 October 2022 diff hist +415 高级算法 (Fall 2022) →Lecture Notes
• 05:5405:54, 11 October 2022 diff hist −216 高级算法 (Fall 2021) →Assignments current
• 05:5305:53, 11 October 2022 diff hist −66 高级算法 (Fall 2021) →Assignments

10 October 2022

• 07:4707:47, 10 October 2022 diff hist +2 高级算法 (Fall 2022) →Assignments
• 07:4707:47, 10 October 2022 diff hist +97 高级算法 (Fall 2022) →Assignments
• 07:4607:46, 10 October 2022 diff hist +2 高级算法 (Fall 2022)/Problem Set 1 →Problem 4 current

6 October 2022

• 11:3111:31, 6 October 2022 diff hist +255 General Circulation(Fall 2022) →Course Slides

5 October 2022

• 02:5502:55, 5 October 2022 diff hist +1 General Circulation(Fall 2022) →Assignments
• 02:5502:55, 5 October 2022 diff hist +16 General Circulation(Fall 2022) →Assignments
• 02:5202:52, 5 October 2022 diff hist +2 Assignment 2, Fall 2022 →Question 2 current
• 02:5102:51, 5 October 2022 diff hist 0 Assignment 2, Fall 2022 No edit summary
• 02:5102:51, 5 October 2022 diff hist +2,704 N Assignment 2, Fall 2022 Created page with "<font color="red" size="2">请在题目一和题目二中任选一题作为本章的作业题目。另外的一题可作为选做题。</font> ==Question 1== 假设在大气层顶（TOA），在多年全年平均的情况下，入射的太阳辐射随纬度的分布满足 <math>\begin{align} Q&=Q_o \cdot s(x), \\ s(x)&=s_o \cdot P_o(x)+ s_2 \cdot P_2(x), \end{align}</math> 其中，<math>P_o(x)=1</math>, <math>P_2(x)=\frac{1}{2}(3x^2-1)</math>, <math>s_o=1</math>, <..."
• 02:4902:49, 5 October 2022 diff hist +66 General Circulation(Fall 2022) →Assignments
• 02:4702:47, 5 October 2022 diff hist −99 Main Page No edit summary

4 October 2022

• 13:5913:59, 4 October 2022 diff hist +1 高级算法 (Fall 2022) →Lecture Notes
• 13:5813:58, 4 October 2022 diff hist +185 高级算法 (Fall 2022) →Lecture Notes
• 13:5813:58, 4 October 2022 diff hist +59 高级算法 (Fall 2022) →Lecture Notes

3 October 2022

• 15:5615:56, 3 October 2022 diff hist −1 高级算法 (Fall 2022) →Lecture Notes
• 15:5515:55, 3 October 2022 diff hist −5 高级算法 (Fall 2022) →Lecture Notes
• 15:5415:54, 3 October 2022 diff hist +217 高级算法 (Fall 2022) →Lecture Notes
• 15:5115:51, 3 October 2022 diff hist +97 高级算法 (Fall 2022) →Lecture Notes
• 15:4915:49, 3 October 2022 diff hist +5,755 N 高级算法 (Fall 2022)/Basic tail inequalities Created page with "=Markov's Inequality= One of the most natural information about a random variable is its expectation, which is the first moment of the random variable. Markov's inequality draws a tail bound for a random variable from its expectation. {{Theorem |Theorem (Markov's Inequality)| :Let <math>X</math> be a random variable assuming only nonnegative values. Then, for all <math>t>0</math>, ::<math>\begin{align} \Pr[X\ge t]\le \frac{\mathbf{E}[X]}{t}. \end{align}</math> }} {{Proo..." current
• 15:4815:48, 3 October 2022 diff hist +25,717 N 高级算法 (Fall 2022)/Hashing and Sketching Created page with "=Distinct Elements= Consider the following problem of '''counting distinct elements''': Suppose that <math>\Omega</math> is a sufficiently large universe. *'''Input:''' a sequence of (not necessarily distinct) elements <math>x_1,x_2,\ldots,x_n\in\Omega</math>; *'''Output:''' an estimation of the total number of distinct elements <math>z=|\{x_1,x_2,\ldots,x_n\}|</math>. A straightforward way of solving this problem is to maintain a dictionary data structure, which costs..." current
• 15:4715:47, 3 October 2022 diff hist +1 高级算法 (Fall 2022)/Limited independence →2-universal hash families current
• 15:4515:45, 3 October 2022 diff hist +8,181 高级算法 (Fall 2022)/Balls into bins No edit summary current
• 15:4515:45, 3 October 2022 diff hist +1 高级算法 (Fall 2022)/Balls into bins →2-universal hash families
• 15:3915:39, 3 October 2022 diff hist +13,598 高级算法 (Fall 2022)/Balls into bins No edit summary
• 15:3815:38, 3 October 2022 diff hist +5,762 高级算法 (Fall 2022)/Balls into bins →Coupon Collector
• 15:3615:36, 3 October 2022 diff hist +157 高级算法 (Fall 2022) →Lecture Notes

30 September 2022

• 08:2108:21, 30 September 2022 diff hist +121 General Circulation(Fall 2022) →Course Slides

29 September 2022

• 04:1504:15, 29 September 2022 diff hist +9 Assignment 1, Fall 2022 →下载区 current
• 02:5602:56, 29 September 2022 diff hist +21 General Circulation(Fall 2022) No edit summary

28 September 2022

• 13:3913:39, 28 September 2022 diff hist +7 General Circulation(Fall 2022) →Course Slides
• 13:3813:38, 28 September 2022 diff hist +71 General Circulation(Fall 2022) →Course Slides
• 13:3713:37, 28 September 2022 diff hist +21 General Circulation(Fall 2022) →Course Slides

26 September 2022

• 08:5408:54, 26 September 2022 diff hist +175 General Circulation(Fall 2022) →Assignments
• 08:5308:53, 26 September 2022 diff hist 0 General Circulation(Fall 2022) →Assignments
• 08:3308:33, 26 September 2022 diff hist +407 General Circulation(Fall 2022) →Course Slides
• 08:2808:28, 26 September 2022 diff hist +3 Assignment 1, Fall 2022 →Bonus Question
• 08:2808:28, 26 September 2022 diff hist +228 Assignment 1, Fall 2022 No edit summary
• 08:1308:13, 26 September 2022 diff hist +6 Assignment 1, Fall 2022 →On the netcdf file
• 08:0908:09, 26 September 2022 diff hist −17 Assignment 1, Fall 2022 →下载区
• 08:0808:08, 26 September 2022 diff hist +2,560 N Assignment 1, Fall 2022 Created page with "==Question #1== 请使用多年（>20年）的NCEP/NCAR月平均再分析资料，画出各季节（至少画出冬夏两季）纬向平均温度场、纬向平均纬向风场的高度－纬度剖面分布，并简述其分布特征和季节变化特征。 ==Question #2== 请使用多年（>20年）的NCEP/NCAR月平均再分析资料，画出各季节（至少画出冬夏两季）温度场、纬向风场在各高度（850、500、100 hPa， 对于温度场请再画..."
• 08:0708:07, 26 September 2022 diff hist −24 General Circulation(Fall 2021) No edit summary current
• 08:0508:05, 26 September 2022 diff hist +5,196 General Circulation(Fall 2022) No edit summary
• 08:0408:04, 26 September 2022 diff hist +1,062 General Circulation(Fall 2022) No edit summary
• 08:0308:03, 26 September 2022 diff hist +2,249 N General Circulation(Fall 2022) Created page with "{{Infobox |name = Infobox |bodystyle = |title = 大气环流 <br> General Circulation of the Atmosphere |titlestyle = |headerstyle = background:#ccf; |labelstyle = background:#ddf; |datastyle = |header1 =Instructor |label1 = |data1 = |header2 = |label2 = |data2 = 张洋 |header3 = |label3 = Email |data3 = yangzhang@nju.edu.cn |header4 = |label4= office |data4= 仙林大气楼 B410 |header5 = Class |label5 = |data5 = |hea..."
• 08:0208:02, 26 September 2022 diff hist +99 Main Page No edit summary Tag: Visual edit: Switched

21 September 2022

• 11:4811:48, 21 September 2022 diff hist +15,811 N 高级算法 (Fall 2022)/Limited independence Created page with "= <math>k</math>-wise independence = Recall the definition of independence between events: {{Theorem |Definition (Independent events)| :Events <math>\mathcal{E}_1, \mathcal{E}_2, \ldots, \mathcal{E}_n</math> are '''mutually independent''' if, for any subset <math>I\subseteq\{1,2,\ldots,n\}</math>, ::<math>\begin{align} \Pr\left[\bigwedge_{i\in I}\mathcal{E}_i\right] &= \prod_{i\in I}\Pr[\mathcal{E}_i]. \end{align}</math> }} Similarly, we can define independence between..."
• 11:4811:48, 21 September 2022 diff hist +75 高级算法 (Fall 2022) →Lecture Notes