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16 January 2026

  • 09:4309:43, 16 January 2026 高级算法 (Fall 2025)/第三次作业提交名单 (hist | edit) [1,694 bytes] Zhangyiyao (talk | contribs) (Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 221502007 || 崔毓泽 |- | 221502008 || 梁今为 |- | 221502013 || 贺龄瑞 |- | 221850037 || 王朝晖 |- | 221900156 || 韩加瑞 |- | 231098067 || 徐浩然 |- | 231220002 || 潘谟天 |- | 231220005 || 樊书岩 |- | 231220007 || 汪文韬 |- | 231220012 || 张启越 |- | 231220019 || 何云天 |- | 231220056 || 黄思远 |- | 231220179 || 徐钰炜 |- | 231240...") Tag: Visual edit: Switched

25 December 2025

  • 14:2514:25, 25 December 2025 高级算法 (Fall 2025)/Problem Set 3 (hist | edit) [0 bytes] Zhangyiyao (talk | contribs) (Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 == Problem 1 == Let <math>\mathcal{M} = (E, \mathcal{I})</math> be a matroid with rank function <math>r_{\mathcal{M}} : 2^E \to \mathbb{Z}_{\ge 0}</math>. Prove that <math>r_{\mathcal{M}}</math> is submodular. == Problem 2 == In class, you learned two greedy algorithms with the same framework: * For maximizing a non-negative add...")

4 December 2025

  • 17:3017:30, 4 December 2025 数据科学基础 (Fall 2025)/Problem Set 6 (hist | edit) [8,501 bytes] Liumingmou (talk | contribs) (Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 *没有条件的同学可以用纸笔完成作业之后拍照。 == Assumption throughout Problem Set 6 == <p>Without further notice, we are working on probability space <math>(\Omega,\mathcal{F},\Pr)</math>.</p> <p>Without further notice, we assume that the expectation of random variables are well-defined.</p> == Problem 1...")

1 December 2025

  • 15:0415:04, 1 December 2025 高级算法 (Fall 2025)/第二次作业提交名单 (hist | edit) [1,665 bytes] Zhangyiyao (talk | contribs) (Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 221502007 || 崔毓泽 |- | 221502008 || 梁今为 |- | 221502013 || 贺龄瑞 |- | 221502018 || 陈正道 |- | 221850037 || 王朝晖 |- | 221900156 || 韩加瑞 |- | 231098067 || 徐浩然 |- | 231220002 || 潘谟天 |- | 231220005 || 樊书岩 |- | 231220007 || 汪文韬 |- | 231220012 || 张启越 |- | 231220019 || 何云天 |- | 231220056 || 黄思远 |- | 231220...") Tag: Visual edit: Switched

30 November 2025

  • 09:4309:43, 30 November 2025 Assignment 4, Fall 2025 (hist | edit) [2,459 bytes] Etone (talk | contribs) (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...")

10 November 2025

  • 05:2705:27, 10 November 2025 高级算法 (Fall 2025)/Problem Set 2 (hist | edit) [6,050 bytes] Zhangyiyao (talk | contribs) (Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 == Problem 1 (Adjacency matrix) == Let <math>A</math> be the adjacency matrix of an undirected connected graph <math>G</math>, and <math>\alpha_1</math> be its largest eigenvalue. * ['''Lowerbounding <math>\alpha_1</math>'''] We proved <math>\alpha_1 \le d_{\mathrm{max}}</math> in class. Show that <math>\alpha_1 \ge d_{\mathrm{...")

30 October 2025

  • 16:4116:41, 30 October 2025 数据科学基础 (Fall 2025)/Problem Set 5 (hist | edit) [7,759 bytes] Liumingmou (talk | contribs) (Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 *没有条件的同学可以用纸笔完成作业之后拍照。 == Assumption throughout Problem Set 5 == <p>Without further notice, we are working on probability space <math>(\Omega,\mathcal{F},\Pr)</math>.</p> <p>Without further notice, we assume that the expectation of random variables are well-defined.</p> == Problem 1...")
  • 06:2206:22, 30 October 2025 高级算法 (Fall 2025)/第一次作业提交名单 (hist | edit) [1,665 bytes] Zhangyiyao (talk | contribs) (Created page with "如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 221502007 || 崔毓泽 |- | 221502008 || 梁今为 |- | 221502013 || 贺龄瑞 |- | 221502018 || 陈正道 |- | 221850037 || 王朝晖 |- | 221900156 || 韩加瑞 |- | 231098067 || 徐浩然 |- | 231220002 || 潘谟天 |- | 231220005 || 樊书岩 |- | 231220007 || 汪文韬 |- | 231220012 || 张启越 |- | 231220019 || 何云天 |- | 231220056 || 黄思远 |- | 231220...")

26 October 2025

  • 15:0015:00, 26 October 2025 Assignment 3, Fall 2025 (hist | edit) [1,087 bytes] Etone (talk | contribs) (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 \phi -\frac{1}{2})+\Delta_v(\dfra...")

20 October 2025

  • 02:2202:22, 20 October 2025 Namelist Assignment 1 2025 (hist | edit) [1,190 bytes] Etone (talk | contribs) (Created page with "学号 姓名 221830009 丁潘宇 221840131 崔亚川 221830192 张梓轩 221830060 梁茗豪 221840001 檀纯芳 221840042 刘鑫磊 221840183 胡峻滔 221840252 徐玘 221830079 余秀蓝 221840217 于步涵 221840063 樊瑾奕 221840226 郑凯容 221840163 周若冰 221840204 张利荣 652025280008 李俊霖 502025280011 苟敏杰 502025280051 吴雨涵 502024280014 何昌霖 502025280038 齐若彤 502025280008 冯英飞 502025280022 蒋妍 50202...")

19 October 2025

  • 12:3512:35, 19 October 2025 Theory@Suzhou 2025 (hist | edit) [17,102 bytes] Liumingmou (talk | contribs) (Created page with "==General Information == *'''<font size=4>Sunday, Nov 30, 2025: 9 am--5 pm.</font>''' * <font size=4>'''Location''': 南京大学苏州校区 * <font size=4>'''Venue''': TBA ==List of Speakers (in alphabetic order)== * [http://staff.ustc.edu.cn/~xuechen1989/ 陈雪](中国科学技术大学) * [https://zengfenghuang.github.io/ 黄增峰](复旦大学) * [https://www.shaofengjiang.cn/ 姜少峰](北京大学) * [https://chaoxu.prof/ 许超](电子科技大...")

16 October 2025

  • 17:3817:38, 16 October 2025 数据科学基础 (Fall 2025)/Problem Set 4 (hist | edit) [6,052 bytes] Liumingmou (talk | contribs) (Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 *没有条件的同学可以用纸笔完成作业之后拍照。 == Assumption throughout Problem Set 4 == <p>Without further notice, we are working on probability space <math>(\Omega,\mathcal{F},\Pr)</math>.</p> <p>Without further notice, we assume that the expectation of random variables are well-defined.</p> == Problem 1...")

29 September 2025

  • 03:4503:45, 29 September 2025 高级算法 (Fall 2025)/Dimension Reduction (hist | edit) [16,764 bytes] Etone (talk | contribs) (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...")
  • 03:0703:07, 29 September 2025 Assignment 2, Fall 2025 (hist | edit) [2,522 bytes] Etone (talk | contribs) (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>Q=Q_o \cdot s(x)</math>, <math>s(x)=s_o \cdot P_o(x)+ s_2 \cdot P_2(x)</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>, <math>s_2=-0.473</ma...")

27 September 2025

  • 14:4814:48, 27 September 2025 高级算法 (Fall 2025)/Problem Set 1 (hist | edit) [8,542 bytes] Zhangyiyao (talk | contribs) (Created page with "*每道题目的解答都要有完整的解题过程,中英文不限。 *我们推荐大家使用LaTeX, markdown等对作业进行排版。 == Problem 1 (s–t Min-Cut) == Consider adapting Karger's min-cut algorithm to the problem of finding an <math>s</math>–<math>t</math> min-cut in an undirected graph. In this problem, we are given an undirected graph <math>G</math> together with two distinguished vertices <math>s</math> and <math>t</math>. An <math>s</math>–...")