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19 May 2024
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13:57 | 概率论与数理统计 (Spring 2024) 3 changes history +3,224 [Etone (3×)] | |||
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13:57 (cur | prev) 0 Etone talk contribs (→Lectures) | ||||
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13:56 (cur | prev) +3,071 Etone talk contribs (→Concepts) | ||||
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13:55 (cur | prev) +153 Etone talk contribs (→Lectures) |
15 May 2024
05:31 | 计算方法 Numerical method (Spring 2024) diffhist +66 Liuexp talk contribs (→Lecture Notes) |
14 May 2024
17:15 | 组合数学 (Fall 2023)/Problem Set 3 diffhist −1 Roundgod talk contribs (→Problem 1) |
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N 17:15 | 组合数学 (Spring 2024)/Problem Set 3 3 changes history +2,925 [Roundgod; Gispzjz (2×)] | |||
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17:15 (cur | prev) −1 Roundgod talk contribs (→Problem 1) | ||||
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15:55 (cur | prev) +1 Gispzjz talk contribs (→Problem 5) | ||||
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15:55 (cur | prev) +2,925 Gispzjz talk contribs (Created page with "== Problem 1 == Solve the following two existence problems: * You are given <math>n</math> integers <math>a_1,a_2,\dots,a_n</math>, such that for each <math> 1\leq i\leq n</math> it holds that <math>i-n\leq a_i\leq i-1</math>. Show that there exists a '''nonempty''' subsequence (not necessarily consecutive) of these integers, whose sum is equal to <math> 0 </math>. (Hint: Consider <math> b_i=a_i-i </math>) * You are given two '''multisets''' <math> A </math> and <ma...") |
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17:13 | 组合数学 (Spring 2024) 7 changes history +424 [Gispzjz; Etone; Roundgod (5×)] | |||
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17:13 (cur | prev) +201 Roundgod talk contribs (→Announcement) | ||||
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15:24 (cur | prev) +61 Gispzjz talk contribs (→Assignments) | ||||
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13:06 (cur | prev) +2 Roundgod talk contribs (→Assignments) Tag: Manual revert | ||||
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13:05 (cur | prev) +2 Roundgod talk contribs (→Assignments) | ||||
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13:04 (cur | prev) −4 Roundgod talk contribs (→Assignments) Tag: Manual revert | ||||
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13:04 (cur | prev) +4 Roundgod talk contribs (→Assignments) | ||||
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09:38 (cur | prev) +158 Etone talk contribs (→Lecture Notes) |
N 16:06 | 计算方法 Numerical method (Spring 2024)/Homework5 提交名单 diffhist +2,091 Kvrmnks talk contribs (Created page with " 如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 191240047 || 孙宇飞 |- | 201240036 || 钱儒凡 |- | 211240013 || 李昀芃 |- | 211240020 || 朱睿骐 |- | 211240035 || 王祉天 |- | 211294003 || 倪昀 |- | 221180133 || 黄可唯 |- | 221220002 || 沈均文 |- | 221220003 || 林涵坤 |- | 221220019 || 洪观澜 |- | 221220027 || 蒋宇阳 |- | 221220029 || 陈俊翰 |- | 221220033 || 孙一鸣 |- | 22122003...") |
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16:06 | 计算方法 Numerical method (Spring 2024) 3 changes history +269 [Kvrmnks (3×)] | |||
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16:06 (cur | prev) +95 Kvrmnks talk contribs (→Assignments) | ||||
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08:33 (cur | prev) 0 Kvrmnks talk contribs (→Assignments) | ||||
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08:29 (cur | prev) +174 Kvrmnks talk contribs (→Assignments) |
N 13:06 | 组合数学 (Spring 2024)/Problem Set 2 diffhist +5,164 Roundgod talk contribs (Created page with "== Problem 1 == Count the number of lattice paths from <math>(0, 0)</math> to <math>(n, n)</math> with steps up and to the right, when two paths are considered equal if one can be moved on top of the other by a rotation or reflection. For example: center|frameless (Hint: Represent a path as a sequence of <math>0</math>s and <math>1</math>s and determine the group that acts on these sequences.) == Problem 2 == Suppose we are given <math>m</math> <math>n<...") |
N 13:05 | 组合数学 (Spring 2024)/Problem Set 1 diffhist +1,789 Roundgod talk contribs (Created page with "== Problem 1 == How many <math>n\times m</math> matrices of <math>0</math>'s and <math>1</math>'s are there, such that every row and column contains an even number of <math>1</math>'s? An odd number of <math>1</math>'s? == Problem 2 == * There is a set of <math>2n</math> people: <math>n</math> male and <math>n</math> female. A good party is a set with the same number of male and female. How many possibilities are there to build such a good party? * Try to express the a...") |
N 09:38 | 组合数学 (Fall 2024)/Extremal graph theory diffhist +18,939 Etone talk contribs (Created page with "== Forbidden Cliques == Extremal graph theory studies the problems like "how many edges that a graph <math>G</math> can have, if <math>G</math> has some property?" === Mantel's theorem === We consider a typical extremal problem for graphs: the largest possible number of edges of '''triangle-free''' graphs, i.e. graphs contains no <math>K_3</math>. {{Theorem|Theorem (Mantel 1907)| :Suppose <math>G(V,E)</math> is graph on <math>n</math> vertice without triangles. Then <m...") |
8 May 2024
N 12:00 | 计算复杂性 (Spring 2024)/第二次作业提交名单 diffhist +827 Roundgod talk contribs (Created page with "如有错漏请邮件联系助教。 <center> {| class="wikitable" style="text-align:center" |- ! 学号 !! 姓名 |- | 201502003 || 丁显浓 |- | 201840009 || 田永上 |- | 211250001 || 鞠哲 |- | 211502001 || 任楷文 |- | 211502005 || 黄逸飞 |- | 211502009 || 曲桐希 |- | 211502024 || 贺卓宇 |- | 211502025 || 吴文翔 |- | 211840112 || 聂易辰 |- | 211840292 || 窦若庭 |- | 211850106 || 杨林峰 |- | 221180115 || 黄文睿 |- | 221840186...") |
11:59 | 计算复杂性 (Spring 2024) diffhist +90 Roundgod talk contribs (→Announcement) |
04:44 | 计算方法 Numerical method (Spring 2024) diffhist +81 Liuexp talk contribs (→Lecture Notes) |
6 May 2024
N 11:17 | 概率论与数理统计 (Spring 2024)/第二次作业提交名单 diffhist +2,025 Zouzongrui talk contribs (Created page with " 如有错漏请联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 221240092 || 杨煜申 |- | 221240083 || 陈正佺 |- | 221240007 || 郭宇轩 |- | 221900059 || 王齐剑 |- | 221240035 || 李想 |- | 221240009 || 冯雨桐 |- | 221240068 || 周凡淇 |- | 211240020 || 朱睿骐 |- | 221240093 || 陈力峥 |- | 221240066 || 张植翔 |- | 201850051 || 李轲楠 |- | 221240041 || 周越洋 |- | 221240056 || 郭子良 |- | 221240047 ||...") |
11:17 | 概率论与数理统计 (Spring 2024) diffhist +102 Zouzongrui talk contribs (→Assignments) |
5 May 2024
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08:45 | 概率论与数理统计 (Spring 2024) 2 changes history +233 [Zouzongrui (2×)] | |||
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08:45 (cur | prev) +2 Zouzongrui talk contribs (→Assignments) | ||||
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08:42 (cur | prev) +231 Zouzongrui talk contribs (→Assignments) |
2 May 2024
N 01:37 | 计算方法 Numerical method (Spring 2024)/Homework4 提交名单 diffhist +2,065 Kvrmnks talk contribs (Created page with " 如有错漏请邮件联系助教. <center> {| class="wikitable" |- ! 学号 !! 姓名 |- | 191240047 || 孙宇飞 |- | 201240036 || 钱儒凡 |- | 211240013 || 李昀芃 |- | 211240020 || 朱睿骐 |- | 211240035 || 王祉天 |- | 211294003 || 倪昀 |- | 221180133 || 黄可唯 |- | 221220002 || 沈均文 |- | 221220003 || 林涵坤 |- | 221220019 || 洪观澜 |- | 221220027 || 蒋宇阳 |- | 221220029 || 陈俊翰 |- | 221220033 || 孙一鸣 |- | 22122003...") |
01:36 | 计算方法 Numerical method (Spring 2024) diffhist +95 Kvrmnks talk contribs (→Assignments) |
30 April 2024
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13:36 | 概率论与数理统计 (Spring 2024) 4 changes history +1,365 [Etone (4×)] | |||
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13:36 (cur | prev) +1 Etone talk contribs (→Concepts) | ||||
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13:35 (cur | prev) +64 Etone talk contribs (→Concepts) | ||||
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13:34 (cur | prev) +1,032 Etone talk contribs (→Concepts) | ||||
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13:31 (cur | prev) +268 Etone talk contribs (→Lectures) |