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Wikipedia:Reference desk/Archives/Mathematics/April 2007

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Welcome to the Wikipedia Mathematics Reference Desk Archives
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April 1

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 1

  1. the number of cows in great britain²
  2. Fraction exponents
  3. toyota symbol
  4. Stuck on proving an inequality
  5. Counting, continued
  6. Approximating curves
  7. Numbers
  8. Binomial expansion for complex powers

April 2

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 2

  1. is a sum of f(eigenvalue) meaningful?
  2. Simple groups

April 3

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 3

  1. time for thrown baseball to reach height s
  2. how to generate prime numbers?
  3. why cannot we find ln(-1)?
  4. Geography
  5. ox proportional hazards model

April 4

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 4

  1. Foot and Penis Size
  2. ifferentation
  3. largest prime number
  4. Angle problem

April 5

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 5

  1. quare root of pi
  2. Triangle integrals?
  3. how to undestand this?
  4. Initial Value Problems convergence etc
  5. Famous function?
  6. Volume of sphere
  7. Proof that Ke^x for contants K are the only functions that are their own derivative
  8. Which Statistical Test?

April 6

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 6

  1. Sweeping the floor
  2. Numbers not definable

April 7

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 7

  1. oor Little Suzy
  2. ew exciting developments ?

April 8

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 8

  1. Advantages!
  2. ig pi notation
  3. Carpet cleaning
  4. Factorial Problem
  5. significant or nonsignificant

April 9

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 9

  1. y = x^2
  2. Is there are a statistical method like this?

April 10

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 10

  1. Operations on PowerSeries
  2. Logrithm? Solve for x in this?

April 11

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 11

  1. Name for the set of all solutions
  2. Volume
  3. what is the fastest way to test prime aprime number?
  4. Mathematical Transforms
  5. Existence of a radical of a Lie algebra
  6. Triangulation

April 12

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 12

  1. maginary Interest Rate
  2. Unfamiliar Curve
  3. Statistical Significance in an Experiment with 3 Possible Results
  4. Probability?
  5. Whahaha? (horses and goats)

April 13

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 13

  1. .9 repeating = 1???
  2. Lottery number 1 to 6
  3. Predictor -corrector stuffq

April 14

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 14

  1. ynthetic division
  2. Logical equation reduction
  3. Linear equation solvers
  4. average distance of a cube from its center

April 15

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 15

  1. Math question
  2. Line of Best Fit

April 16

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 16

  1. i in other bases
  2. 00% of 200
  3. Divergent series
  4. E(3)
  5. Localisation of a graded ring, how can be it be a graded ring as well?.

April 17

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 17

  1. Best Approximation
  2. Americans can't count
  3. Rolling Standard Deviation
  4. Generalizing Hoelder's inequality

April 18

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 18

  1. A power series
  2. statistics:hypothesis testing, Type 1 and type 2 error
  3. Why do 1+1=2?
  4. Equvalence relation vs. partition
  5. Partial knowledge

April 19

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 19

  1. More Hölder inequality fun
  2. Significant_figures

April 20

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 20

  1. The integral of cosz / z(z^2 +8) dz?
  2. Inter-rater agreement: Are there different alternatives for calculation of the confidence interval for kappa?
  3. Freaky triangles - Where did those two squares come from???

April 21

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 21

  1. How many different ways can I express 1,-1,1,-1, ... as a one-variable function?
  2. Test question
  3. Prime Numbers

April 22

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 22

  1. Math Songs
  2. Cubic Functions
  3. Polynomial sequence
  4. USB symbol
  5. Quadratic Equations
  6. uploading of math diagrams

April 23

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 23

  1. E(max{d20+x1,d20+x2,...,d20+xn})
  2. what is?
  3. Connections within a hypercube
  4. Dirichelet eta and Riemann Zeta

April 24

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 24

  1. PrefixSpan Algorithm
  2. orrelated random walks
  3. on-random number generator

April 25

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 25

  1. Conic Section
  2. Inverse of NxN Matrices Mod M (Hill cipher)
  3. Help with surds
  4. Factors

April 26

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 26

  1. Refunding overpayments from accounts receivable
  2. Dimension of orthogonal complements
  3. Log functions
  4. Solve an equation of 4th order

April 27

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 27

  1. choice function
  2. ums of cubes
  3. ore average than average
  4. Quarternions as applied to computer graphics

April 28

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 28

  1. Iterative method: Cost of moving and cost of evaluation
  2. solvable subgroup
  3. cyclic group
  4. Initial value problems
  5. meaning of k in combinations and permutions

April 29

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 29

  1. aths Competition
  2. math property
  3. More qualifying examination preparation
  4. Error in Number Theory book?

April 30

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Wikipedia:Reference_desk/Archives/Mathematics/2007 April 30

  1. Analysis exercise bank
  2. Difference?
  3. 1+1=2 ... why???