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Wikipedia:Reference desk/Archives/Mathematics/March 2008

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March 1

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 1

  1. Lebesgue Integration Question
  2. Large Numbers
  3. Arc Symbol
  4. Is there any discovery that could destroy mathematics?
  5. The difference of x to the power of n upto nth position defined
  6. question
  7. Grading
  8. In math, do you have to do exercises so that your algorithm works well in general??

March 2

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 2

  1. Geometry of an eclipse
  2. [[Wikipedia:Reference_desk/Archives/Mathematics/2008 March 2#Rational solutions to Y2<.2Fsup> = aX2<.2Fsup> + bX +c|Rational solutions to Y2 = aX2 + bX +c]]
  3. Why 10?

March 3

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 3

  1. Idefinite Integral
  2. JC-1 H2 Mathematics: Sequences and Series question
  3. Friedrichs' Inequality
  4. special functions
  5. Another combinations problem

March 4

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 4

  1. Summation of K^2
  2. statistics question
  3. A needing question...
  4. Uniqueness of reduced matrix
  5. Log^2 n

March 5

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 5

  1. [[Wikipedia:Reference_desk/Archives/Mathematics/2008 March 5#log*<.2Fsup> n ?|log* n ?]]
  2. Trigonometry simplification
  3. Equilateral right triangle / shortest distance between points

March 6

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 6

  1. Cake Cutting
  2. Eigenvectors
  3. Number of faces of the projection of a convex polyhedron
  4. This bit of Quaternion source code -- are my assumptions correct?
  5. generalization of Taylor's theorem for multivariate functions
  6. Calculating the birth date
  7. real valued function continuous only at rational points
  8. So, you find yourself on a deserted island...

March 7

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 7

  1. Math Vocab
  2. Sine
  3. Log equation
  4. Cauchy-Riemann equations
  5. Lines
  6. RIEMANN ZETA FUNCTION
  7. simple σ-algebra product identity
  8. line to point reflection formula

March 8

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 8

  1. Index of matrix
  2. Pseudoinverse of a Matrix
  3. Uniqueness of best fit curves
  4. natural logarithm
  5. Euler-Mascheroni constant: betting on its irrationality
  6. modular question
  7. Free numerical ODE libraries
  8. Follow up on question of "straight lines"
  9. Solution to a Second Degree DiffEQ
  10. Is there a specific name for a town celebrating its 190th anniversary?

March 9

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 9

  1. Effects of small sample size in ANOVA
  2. Entropy maximizing distribution

March 10

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 10

  1. Error in the fundamental theorem of calculus?
  2. Question
  3. Rings
  4. f(x)=1^x&g(x)=(-1)^x
  5. Learning Calculus fast
  6. Special functions
  7. division by zero

March 11

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 11

  1. Topology
  2. math

March 12

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 12

  1. Least Squares Question
  2. Probabilities and this year's Champions League quarter finals
  3. Math: real-life examples of polynomial division?
  4. Chi-square test

March 13

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 13

  1. Generating random numbers
  2. Financial calculator question
  3. PDE -> ODE
  4. I need help with pi & circumference

March 14

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 14

  1. Happy Pi Day
  2. Percentages
  3. Group Theory
  4. Origin of asymmetry in conformation of symmetrical shape in a higher dimension (+ origami!)

March 15

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 15

  1. A measurable set?

March 16

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 16

  1. grasping math to an intermediate level
  2. Local Sidereal Time Conversion
  3. Possibility of solving this equation

March 17

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 17

  1. is mathematics subjective?
  2. Simultaneous Equation
  3. Infinitely Many Factors
  4. math: polynomial as the difference of two squares
  5. need a more indepth determination
  6. Solve for y: x = y - 1/y

March 18

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 18

  1. Proof of Chain Rule
  2. Calculating inflation by consumer price index statistics
  3. Area Between Curves
  4. Rational function conjecture

March 19

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 19

  1. Angle bisector proof
  2. Algebra question
  3. Divisibility curiosity
  4. Gödel's Incompleteness Theorems: Is The Math Reliable?
  5. Poincare Video
  6. Diophantine equation
  7. Complex Analysis
  8. How do you explain the fractional root of a number?
  9. problem setting up the equation
  10. Graphing calculator peculiarity

March 20

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 20

  1. What is the summation formula for a negative power?
  2. Proving Trigonometric Identities
  3. Fundamental group and de Rham cohomology
  4. Discrete cosine transform
  5. Incidence matrix
  6. Distribution Theory
  7. Chemistry question!

March 21

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 21

  1. explicit rule
  2. recursive rule
  3. Exponential of an exponential
  4. Peano Curve
  5. Happy Easter!
  6. simple question
  7. Algebra with probabilistic events
  8. Solving "almost" superincreasing knapsacks problem

March 22

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 22

  1. Uncountable Sets of Measure Zero
  2. a question for econs nerds
  3. Error in the Total order article?
  4. Chicken, fox, and grain problem
  5. The Riemann Zeta Function

March 24

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 24

  1. Null day?
  2. Checking number of citations
  3. Lebesgue measure of a subset of [0, 1) invariant under translation by Q
  4. Non-roots of unity having modulus 1
  5. Polarity associated with a conic, defined by Steiner construction?
  6. Parabola vs Hyperbola
  7. rational expressions
  8. rational expression

March 25

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 25

  1. whaddya call this functional?
  2. Sum of diagonals
  3. Exponential generating function
  4. Sum of powers
  5. Solving equation with inverse tangents
  6. Parabolas and Flashlights - real world situation - moving the focus to change the light output
  7. sphere question
  8. Julian and Gregorian Calendars and Zeller's Congrunce
  9. "Perfect" partition of the reals

March 26

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 26

  1. Algebra Question
  2. area element
  3. Intuitive understanding of the nCr formula
  4. Improvements on Cayley's theorem

March 27

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 27

  1. Algebra problem
  2. Algebra problem 2
  3. antiderivative help on ?
  4. The number line
  5. Three calculus problems
  6. Factorials and Primes
  7. Finding Non-real solutions of systems of equations
  8. Weight of paper
  9. Core 2 Exam Revision
  10. Finding the solution
  11. quick sum question
  12. Algebra Question

March 28

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 28

  1. Competition draw algorithm
  2. Set of even, prime, and positive numbers/integers
  3. Area of a triangle
  4. The marriage problem
  5. "Perfect" partition of the reals (continued)

March 29

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 29

  1. This function as an approximation to tetration?
  2. Function or Not?
  3. Glm link function choice
  4. Nicomachus, Introduction to Arithmetic
  5. name of generalized cross product construct

March 30

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 30

  1. x + 2 = x + 2
  2. Probability of selection - both with and without replacement
  3. The nature of mathematics

March 31

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Wikipedia:Reference_desk/Archives/Mathematics/2008 March 31

  1. micro economic development
  2. cos(π/2n)
  3. A metrisation theorem
  4. microeconomic development