Wikipedia:Reference desk/Archives/Mathematics/March 2007

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March 1

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 1

1. Apparently trivial abstract algebra problem
2. Valuation of American Options Whaley Method
3. Help with taking limits

March 2

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 2

1. Nim Variation
2. Solving simultaneous equations with 4 variables
3. Smoothing titration data

March 3

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 3

1. est
2. Thick walled maze generation
3. Modular arithmetic

March 4

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 4

1. how to define anew way to count real number?
2. Cardinality of the set of all functions
3. CORRECTION OF HOW TO DEFINE ANEW WAY TO COUNT REAL NUMBERS SET ?
4. rigonometric Identities
5. Segre variety is irreducible : how to prove something about certain ideal
6. any help please?

March 5

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 5

1. ermutations problem
2. I need (...want) a diagram drawn.
3. Compound Interest, 2 loans, 2 rates, how to split payments?
4. This may be homework, but I hope it's OK...
5. An Indeterminate form to an indeterminate form power

March 6

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 6

1. How many edges on a cone?
2. coordinate geometry and permutation and combination
3. Best tactic in a gambling game
4. Debt question

March 7

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 7

1. i^i
2. Series

March 8

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 8

1. Not HW, studying. I swear
2. Pi transcendental
3. 4 coloured map of Europe
4. Equation of artillery fire?

March 9

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 9

1. vectors
2. Dice odds question
3. Intersection of plane and sphere
4. s there any children's version of Mathematica ?

March 10

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 10

1. A ball is chosen at random from n different vases...
2. Drawing Fractals
3. efficiently optimize multiple parameters?
4. what is the derivative of this function?
5. Tautology test for disjunctive normal form
6. Proof that AB = I => BA = I
7. Does this have a name?

March 11

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 11

1. Binar vs. magma
2. Integral
3. what is the limit of this function?
4. Division

March 12

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 12

1. athematica
2. -3 || x
3. ( 3+4I ) (* Abs[ 3 + 4i ]

March 13

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 13

1. limits / L'Hôpital's rule
2. olynomials and rational expressions
3. Is there a specific name for this rule?

March 15

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 15

1. Solids of revolution

March 16

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 16

March 17

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 17

1. how to sketch hyperbolas without table?
2. Can u solve this?
3. Basic Math Skills, using Chisum Block
4. Powers
5. abstract algebra
6. Either I'm very stupid or there is a problem with mathematica

March 18

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 18

1. Generic plot diagrams
2. Differentiation of Trig
3. Trend and Pattern
4. Please help really hard

March 19

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 19

1. Liouville-Roth constant of a logarithm
2. derivative of the inverse of a logit function
3. Fermat
4. Latex program for beginners
5. I Don't Understand This!!
6. Why are teachers and textbook authors incapable of writing a clear interest rate problem ?

March 20

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 20

March 21

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 21

1. Fractional factorials
2. what is the inverse of x exp(x)?
3. is there any general way for this?
4. Cardinality
5. Radians and the area of a circle
6. Math
7. Gee Force Formula

March 22

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 22

1. An algebra word problem
2. SET THEORY: Binary Connectives
3. Probability
4. ath Reference Book
5. Question..
6. Very simple equation
7. Terminology question: what is your preferred way of saying this?

March 23

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 23

1. artesian form
2. Philosophy logic/mathematical logic
3. "Theory": model-theoretic or proof-theoretic concept?
4. Abstract algebra
5. account
6. Product rule

March 24

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 24

1. Expected value of variance
2. Angular size
3. stellar brightness

March 25

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 25

1. Relation between e and music theory
2. Range - Parentheses and Square Brackets

March 26

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 26

1. atios
2. Weighted mean and median where weights equal values
3. Arc Length with Integrals
4. Oblique Curvature?
5. Some math
6. Volume

March 27

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 27

1. ompleteness
2. Linear beam theory
3. Ode to a differential equation
4. Volume of a sphere

March 28

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 28

1. Probability of choosing a 7-letter word from 7 random Scrabble letters
2. Polynomial Division
3. Probability of a "chain" of outcomes of certain length, in a long chain of events
4. ?????????
5. 'ith root of i

March 29

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 29

1. taylor series expansions...
2. Mapping technique with arrows

March 30

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 30

1. Maths Puzzle
2. Similar to upper triangular matrices
3. Probability in Mexican Train Dominoes
4. Limit of Detection Question
5. Integration
6. line plots
7. mathematics - mile/kilometer fractional relationship
8. The Mathematics of Warping

March 31

Wikipedia:Reference_desk/Archives/Mathematics/2007 March 31

1. Room cooling
2. Counting
3. Calculating the sides of a triangle from the hypotenuse and the aspect ratio?
4. Rounding
5. Paradox?
6. Sum and difference identity