Wikipedia:Reference desk/Archives/Mathematics/January 2008

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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. [[Wikipedia:Reference_desk/Archives/Mathematics/2008 January 31#$int<.2Fmath>operator|<math>int$ operator]]
2. Determinants
3. Predicate logic
4. Regression analysis question
5. Infinite set containing itself