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Wikipedia:Reference desk/Archives/Mathematics/December 2011

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Welcome to the Wikipedia Mathematics Reference Desk Archives
The page you are currently viewing is a monthly archive index. While you can leave answers for any questions shown below, please ask new questions on one of the current reference desk pages.



December 1

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 1

  1. Algebra problem
  2. minimum cirdumference
  3. Bayesian inference of a time-varying parameter

December 2

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 2

  1. Why does the dim function act much like the log function?
  2. Riddle about politicians
  3. Wave measured at random intervals

December 3

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 3

  1. Natural logarithm
  2. Integrability

December 4

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 4

  1. Question about eigenvectors and eigenvalues
  2. Algebra Problem
  3. Closed form series solution
  4. Find point closest to a plane
  5. Searching for patters in a lattice

December 5

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 5

  1. Maths Question.
  2. Logic in quantum theory
  3. Equivalence of two congruences

December 6

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 6

  1. Population increase percentage
  2. Obtaining an absolute sum.

December 7

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 7

  1. 3SAT Question
  2. Three-dimensional continuous chaotic system with an exact solution

December 8

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 8

  1. Integration
  2. Time-weighted graph of sparse noisy data
  3. The Derivative of a Function
  4. Loan rates and overpayments

December 9

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 9

  1. Function
  2. Periods
  3. Embedding n-dimensional polyhedra into an k-dimension integer grid.
  4. substitution and elimination methods d-rt

December 10

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 10

  1. analytic functions

December 11

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 11

  1. Summa cum laude or magna cum laude?
  2. Please help me understand my lecturer's notes - metric spaces, norms and topologies
  3. Lone dot used in norm symbol

December 12

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 12

  1. Obsolete typography
  2. Intersection of circle and line

December 13

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 13

  1. Error with 1 − 2 + 3 − 4 + · · ·?
  2. Sample median uncertainty from normal distribution contaminated with symmetric outliers

December 14

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 14

  1. Summation beginner
  2. 'Curved' objects
  3. 1917 arithmetic problem...

December 15

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 15

  1. Berry paradox in second order logic
  2. Sieve of Atkin
  3. Calculating average utilization of equipments

December 16

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 16

  1. P vs NP and Automated Theorem Proving
  2. Is Gödel's incompleteness theorem really so dire?
  3. TAOCP Vol 4A page 5
  4. integrals
  5. Exact trajectory of a point in a vector field
  6. The Twelve Days of Christmas

December 17

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 17

  1. Induction and integration by parts

December 19

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 19

  1. Platonism vs formalism

December 20

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 20

  1. Marcus Hutter versus Yuri Matiyasevich
  2. Statistical test for Gender, Race, and Socioeconomic status (three options) and a three-scale likert
  3. Going between hexagonal and parallelogram tilings
  4. ZFC being consistent if a proper sub-set of ZFC is consistent

December 22

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 22

  1. Linear Programming and Graph theory
  2. Primitive Roots

December 23

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 23

  1. Help understanding an algorithm
  2. Tensegrity

December 24

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 24

  1. Duck question?
  2. number of jordan decomposition

December 25

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 25

  1. Even numbers among intervals of primes
  2. Arc length in polar form
  3. when can we say that we've found the root of an equation?

December 26

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 26

  1. Confused about complex exponentiation

December 27

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 27

  1. in what way is the sum of all positive integers -1/12
  2. What is it called when an irrelevant outcome between 3rd place and 4th place determines who finishes 1st or 2nd?

December 28

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 28

  1. Optional stopping
  2. Is there an algorithm which - for every first-order proposition (with identity and predicate symbols) - determines whether that propostion is consistent?
  3. betting game

December 29

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 29

  1. 15 Coin game
  2. Order statistics
  3. Sum of digits of 2^1000

December 30

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Wikipedia:Reference_desk/Archives/Mathematics/2011 December 30

  1. cavitation
  2. Determinants
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