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Wikipedia:Reference desk/Archives/Lua/Mathematics/January 2013

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question length RefDesk Category Date Editors
Archimedes uses time machine to beat Lambert 1776 Mathematics 2013: January 1 Hcobb AndyTheGrump Bo Jacoby Dmcq Meni Rosenfeld
SOLVING ALL POLYNOMIALS BY RADICALS 3149 Mathematics 2013: January 1 41.215.160.218 31.54.246.112 Bo Jacoby It's Been Emotional Sławomir Biały
matrix 3731 Mathematics 2013: January 1 86.151.178.51 72.128.82.131 Duoduoduo It's Been Emotional Meni Rosenfeld
Srinivasa Ramanujan's deathbed theory solved after 100 years 989 Mathematics 2013: January 2 Titodutta Tamfang
Concave quadrilateral requirement? 2169 Mathematics 2013: January 2 Naraht Duoduoduo One.Ouch.Zero
my hat, your hat, quantum entanglement, and OTP 4203 Mathematics 2013: January 2 91.120.48.242 130.88.99.231 Duoduoduo StuRat
Low-probability high-payoff events 2742 Mathematics 2013: January 3 Carnildo Bo Jacoby Meni Rosenfeld OldTimeNESter StuRat
optimization and regularization! 1988 Mathematics 2013: January 3 210.212.187.69 StuRat
Decomposing hermitian matrix into rank-one matrices 4664 Mathematics 2013: January 3 Evilbu 123.136.64.14 BenRG Meni Rosenfeld
Cell phone pre-paid card optimization 5500 Mathematics 2013: January 3 StuRat A Real Kaiser One.Ouch.Zero
Starting hand matchups in Texas holdem 4526 Mathematics 2013: January 4 93.139.31.169 93.139.20.89 Bubba73 Naraht StuRat
Finite generation of ideal 3274 Mathematics 2013: January 5 Anonymous Dissident 108.36.196.101 Sławomir Biały
Identities true for only small (square) matrices 9280 Mathematics 2013: January 5 Catslash 87.68.19.155 Duoduoduo Staecker StuRat Sławomir Biały Trovatore
abelian groups: dual group induces dual group of subgroup by restricting 934 Mathematics 2013: January 6 Evilbu
Problem with editting an article based on one's own published paper? 7523 Mathematics 2013: January 6 新谷の三男坊 ColinFine John Z Sławomir Biały Trovatore
How to prove the commutative property? 1123 Mathematics 2013: January 9 FrankDev Ikanreed StuRat Trovatore
modulus/cardanality 1491 Mathematics 2013: January 9 109.153.170.141 PMajer RDBury Trovatore
Matrix inversions 1410 Mathematics 2013: January 9 109.153.170.141 72.128.82.131
How low can you go? 3098 Mathematics 2013: January 10 75.185.79.52 Bo Jacoby Duoduoduo StuRat
Trying to Calculate my Class Rank 1888 Mathematics 2013: January 10 71.221.247.204 Bo Jacoby Dmcq Gandalf61 Tango
Topics more tougher than calculus 2772 Mathematics 2013: January 10 Show your knowledge A Real Kaiser Bo Jacoby Dmcq Duoduoduo HiLo48 Trovatore
Dirichlet distribution 684 Mathematics 2013: January 10 AnalysisAlgebra Meni Rosenfeld
Base 10, 11 and fingers question. 7405 Mathematics 2013: January 10 177.40.130.22 123.136.64.14 202.65.245.7 72.128.82.131 Dmcq Double sharp Duoduoduo EmilJ Q Chris
Rotation of arbitrary coordinate systems 2510 Mathematics 2013: January 10 65.92.6.137 205.175.124.30 EmilJ
regression for data that is a power function: copied from Miscellaneous desk 4781 Mathematics 2013: January 10 Bubba73 205.175.124.30 Bo Jacoby Duoduoduo Itsmejudith Looie496
Converting this to an integrable form 3120 Mathematics 2013: January 11 Melab-1 Gandalf61 Kusma
Heuristic argument for expected number of solutions to specific congruence 1187 Mathematics 2013: January 11 Bo Jacoby Toshio Yamaguchi
Chances of counter-intuitive results from a betting system 5205 Mathematics 2013: January 11 81.159.112.136 Duoduoduo PrimeHunter StuRat
Base pi 1779 Mathematics 2013: January 11 93.96.113.87 79.113.217.116 Carnildo EmilJ Trovatore
Computing the CDF of the Student's T-distribution 607 Mathematics 2013: January 12 67.160.38.148 Duoduoduo
π = √10? 1070 Mathematics 2013: January 12 Yashowardhani Dbfirs StuRat
Sum of products 1309 Mathematics 2013: January 12 AnalysisAlgebra Bo Jacoby
would it be a proof by construction of the possible existence of God? 9780 Mathematics 2013: January 12 178.48.114.143 Dmcq Duoduoduo JackofOz Modocc Trovatore
Empty Sets and Neighbourhoods definition of a Topological Space 2746 Mathematics 2013: January 15 66.91.94.61 80.109.106.49 Staecker Sławomir Biały פדיחה
Hypergeometric function 2287 Mathematics 2013: January 15 Almuhammedi Dmcq PMajer
Calculating the multiplicative order 1739 Mathematics 2013: January 15 Toshio Yamaguchi Trovatore
Trouble Reading an Article 5604 Mathematics 2013: January 15 BCG999 Aaron Rotenberg Bo Jacoby EmilJ Phoenixia1177 Trovatore
How many "non-trivially distinct" Gray codes of a given alphabet size and codeword length exist? 1896 Mathematics 2013: January 16 173.49.12.29 Dmcq
Riemann hypothesis for curves over finite fields 5803 Mathematics 2013: January 17 Sławomir Biały Sam Derbyshire
algebra word problems 1216 Mathematics 2013: January 17 108.223.170.235 StuRat
Undecidability of the Collatz conjecture 4964 Mathematics 2013: January 17 70.162.4.242 149.148.254.128 EmilJ Trovatore
What is radius of equilateral polygon? 1469 Mathematics 2013: January 17 71.189.190.62 CiaPan EmilJ StuRat
Blackjack 442 Mathematics 2013: January 18 86.45.191.101 StuRat
number of subgroups 1464 Mathematics 2013: January 18 182.187.2.101 EmilJ Gilderien
Visual Multiplication with Lines 1129 Mathematics 2013: January 18 Shantavira 80.195.151.245 Naraht
Amount of starter positions possible in those random chess variants. 2121 Mathematics 2013: January 18 187.115.239.163
Riemann hypothesis for curves over finite fields 10284 Mathematics 2013: January 19 Sławomir Biały Sam Derbyshire
prime ideal extension and contraction 1531 Mathematics 2013: January 19 helohe TakuyaMurata
Running time of APR-CL 583 Mathematics 2013: January 19 Analphil Double sharp
Estimating a categorical distribution 1795 Mathematics 2013: January 19 AnalysisAlgebra CiaPan Trovatore nonsenseferret
Geometric figure Extension. 3758 Mathematics 2013: January 19 Naraht CiaPan
Independence number of graph: bound similar to Lovasz number? 1588 Mathematics 2013: January 19 Evilbu
Integral 494 Mathematics 2013: January 20 AnalysisAlgebra
Lanchester Square Law 663 Mathematics 2013: January 21 184.163.189.234 nonsenseferret
3 3's 5067 Mathematics 2013: January 21 117.226.244.43 117.226.243.253 80.109.106.49 80.254.147.164 Double sharp JackofOz Modocc PrimeHunter SGBailey Sławomir Biały b jonas
calculus 678 Mathematics 2013: January 22 Merlyn123 Bo Jacoby
MDAS method 2856 Mathematics 2013: January 22 203.112.82.128 BenRG BlueBattery Bo Jacoby Dmcq Gandalf61
Examples of (1+1/n)^n in nature. 1886 Mathematics 2013: January 22 Ap-uk Duoduoduo Looie496 Sławomir Biały
Why only one real cube root? 995 Mathematics 2013: January 22 84.215.10.99 Trovatore
website regarding numbers like 13.7 billion 2687 Mathematics 2013: January 23 Donmust90 Dbfirs Stephan Schulz StuRat Trovatore nonsenseferret
Is there a closed form expression for this quantity? 1154 Mathematics 2013: January 23 AnalysisAlgebra EmilJ Icek
Chicken-and-Egg Problem 20087 Mathematics 2013: January 24 BCG999 Aaron Rotenberg
traditional limit definition of continuity implies topological definition 2190 Mathematics 2013: January 24 66.91.80.10 Sławomir Biały
Complex numbers 1526 Mathematics 2013: January 24 72.128.82.131 124.168.228.174 Ssscienccce
Trapezoid 455 Mathematics 2013: January 25 24.10.95.44 Trovatore
Limit 3772 Mathematics 2013: January 25 AnalysisAlgebra CiaPan Looie496 Ssscienccce Staecker Trovatore
Probability question - SSN/DOB 2708 Mathematics 2013: January 25 205.156.136.229 144.81.85.9 Arthur Rubin Looie496 StuRat
Ehrenfeucht Fraisse Games 6630 Mathematics 2013: January 26 Phoenixia1177 Dmcq Sam Derbyshire Trovatore
An arithmetico-geometric series? 1321 Mathematics 2013: January 26 216.58.82.243 Bo Jacoby Sławomir Biały
Maclaurin series question 2495 Mathematics 2013: January 26 216.58.82.243 31.54.246.112 Bo Jacoby Dmcq Looie496
monad or not? 1006 Mathematics 2013: January 26 217.148.122.53 Dmcq Staecker
math problem 3075 Mathematics 2013: January 26 Bobdorrance Nonsenseferret NorwegianBlue Toshio Yamaguchi nonsenseferret
Limit 2 2860 Mathematics 2013: January 27 AnalysisAlgebra EdChem Meni Rosenfeld Robinh Ssscienccce Sławomir Biały
continuous compounding formula derivation proof 1133 Mathematics 2013: January 27 Ap-uk 72.128.82.131
outer automorphisms 591 Mathematics 2013: January 28 182.187.65.213 TakuyaMurata
Proof of existence would be a useful start 3145 Mathematics 2013: January 29 AnalysisAlgebra Dmcq Meni Rosenfeld
Generalizing integral 2690 Mathematics 2013: January 29 AnalysisAlgebra 123.136.64.14 Dmcq Meni Rosenfeld
trial and error method 1710 Mathematics 2013: January 29 Donmust90 StuRat
Value of pi 1744 Mathematics 2013: January 29 SIVA SUBRAMANIAN.S AndrewWTaylor Bubba73 StuRat Tamfang Trovatore
Generalization of integral 2 5860 Mathematics 2013: January 30 AnalysisAlgebra 123.136.64.14 Arthur Rubin Bo Jacoby Dmcq El duderino Looie496 Meni Rosenfeld
Curious Sample Spaces 1970 Mathematics 2013: January 31 BCG999
Probability question 1112 Mathematics 2013: January 31 70.173.177.190 nonsenseferret