Wikipedia:Reference desk/Archives/Mathematics/January 2008

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style="background: #5D7CBA; text-align: center; font-family:Arial; color:#FFFFFF;" | 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.

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= January 1 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 1

1. Special name for special function?

= January 2 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 2

1. Angular Diameter
2. Minimum Number of Meets in a Tournament
3. Roulettes

= January 3 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 3

1. Differential equation
2. propability question
3. Numeral system incorporating e

= January 4 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 4

1. Involute curves
2. fuzzy logic
3. LaTeχ Freeware

= January 5 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 5

1. Show that two field extensions are equivalent
2. Average Length of Line Segment
3. 10 to the Power of -50 and Impossibility
4. Another probability question.
5. Formal logic

= January 7 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 7

1. the empty set
2. Detroit / Homeslessness
3. limit 2 dimensions w/ polar coordinates

= January 8 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 8

1. Algebra Question
2. Numerals and numbers
3. A problem from Diophantus: Missing a step in understanding the solution

= January 9 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 9

1. fuzzy logic 2
2. How to write and chart indifference curves?
3. Non-recurring and non-terminating numbers(irrational numbers)
4. Second-order nonlinear ODE
5. Cutting Sandwiches

= January 10 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 10

1. Finding the area under a curve (calculus question)
2. roman
3. Confidence Ellipsoid, Least Squares

= January 11 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 11

1. Does an integer solution exist for this equation?
2. What kind of function/shape of curve...?
3. Recognizing another form of the derivative
4. Logical simplification
5. Stem and leaf
6. Another nonlinear second-order ODE

= January 12 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 12

1. 100 sum
2. Raffle
3. Dividing a slice of cake across the radius to end up with two equal volumes.

= January 13 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 13

1. Bayes question
2. Standard deviation and confidiance interfulls
3. Cyclic pentagon
4. Proving Limits
5. Jiang Chun-Xuan
6. MATH QUESTION ON SPECIAL RIGHT TRIANGLES AND HOW TO CALCULATE THEIR AREA'S

= January 14 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 14

1. WWII dollars
2. Parametric equations

= January 15 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 15

1. Game of Life
2. Iterated automorphisms
3. A Second Opinon

= January 16 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 16

1. Could someone check my work please?
2. About Pi
3. Contraction Mapping exam question
4. Crossing Non-Vertical Asymptotes

= January 17 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 17

1. Two calculus questions
2. Solving Equations: Rational and Exponential Intersection points
3. conversion to metric
4. Bad calculator!

= January 18 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 18

1. Getting the function back from a table
2. probability.. helppp..!!
3. conversion from kilobytes and megabytes to gigabytes

= January 20 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 20

1. Quick calculus question

= January 21 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 21

1. Differential Equation
2. Exponential naming
3. free shell account for math?
4. Numerical methods
5. Limit question
6. Evaluating a definite integral
7. Intersection of two cones
8. Have I found the absolute minimum correctly?
9. Least-powers question
10. Just another math problem

= January 22 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 22

1. Bra-ket notation in LaTeX
2. can this diff eq be solved?
3. Finding a definite integral
4. Tetrahedron in Sphere
5. Inverse color

= January 24 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 24

1. Greatest number which cannot be expressed as a sum of 3m + 20n, where m and n are whole numbers?
2. POUNDS

= January 25 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 25

1. Math
2. Stochastic matrix (few questions)
3. Point in Polygon
4. Inverse of sinc(x)

= January 26 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 26

1. tiling a hypersaddle
2. Most beautiful/interesting/elegant mathematical expression/function/other
3. real numbers set
4. Calculus in Computer Science

= January 27 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 27

1. Inverse Trigonometric Function or Arc...
2. Famous mathematician
3. Finding a PRNG's formula , according to numbers
4. Utility of money
5. Factorising programs
6. Machine-learning databases in Euclidean form

= January 28 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 28

1. measurements
2. Multiples of two but not quite
3. Not understanding these calculus problems

= January 29 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 29

1. how many points to determine a general parabola?

= January 30 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 30

1. grid coordinates from sequence number
2. Finding the correct sequence for painting
3. Polynomial Fitting
4. integration and undesirable points
5. equation of natural numbers.
6. Capital-sigma notation
7. Spearmen correlation coefficient.
8. Dual Curve

= January 31 =

Wikipedia:Reference_desk/Archives/Mathematics/2008 January 31

1. $int$ operator
2. Determinants
3. Predicate logic
4. Regression analysis question
5. Infinite set containing itself