Wikipedia:Reference desk/Archives/Mathematics/May 2010
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May 1
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 1
- Gene DNA GC content against whole genome DNA GC content.
- Help in Solving Tensor Equation
- Operator norm and isomorphisms
- games that do not end
- Asians, Indians, and Eastern Europeans
- Derivatives
- long differential equations problem
- Romanian army / vehicle volume
May 2
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 2
May 3
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 3
- show that cos(2pi/7)+cos(4pi/7)+cos(6pi/7)=-1/2
- Formal proof that (2^x-1)/(3x!+x^2-1) converges to 0
- Paying a point for lower mortgage rate
- Uniform distribution
- Ramsey Theory and TCS
- line and curve fitting algorithms
May 4
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 4
- Completing rows/columns in a character table
- Retrieving the Metric from Christoffel Symbols
- Number of conjugacy classes
- Constructible Universe
- request algorithm for vertex-weighted bipartite graph problem
- Modular forms/eta function
May 5
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 5
May 6
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 6
- Maclaurin expansion for e^(x^2+x)
- don't get why I don't get my moment for this disc doesn't become zero
- Random walk oddity
- Problem with product rule and second derivatives
- Algebra question
May 7
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 7
- Urgent question to someone with a copy of SPSS in front of him/her
- Discrete maths
- Flows with equal time 1 maps
- The statistical r and P, in scientific reports. What do they and their various values tell?
- Close flows => close vector fields?
- Finding joint distribution from two marginal distributions
May 8
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 8
May 9
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 9
May 10
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 10
May 11
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 11
- How to derive asymptotic expansion of error function?
- Closed level curves
- 4 digit number
- Calculating distance to a cloud on the horizon
- Calculating distance to a cloud not on the horizon
- Curvature not intrinsic for curves???
- Does this result have a name?
- Terminology
- Triple functions
- Euler's constant
May 12
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 12
- Graphic calculator.
- Prove that the tangent to the x value which is the average of two zeros of a cubic passed through the third zero.`
- What mathematical operation to you perform on a number to reverse its digits?
- Functions help
- Poisson distribution, but where events are not independent of the time of the last event
- y=xx
- Integration help
- Tangent to a cubic
May 13
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 13
- A slight variation on maps from the disc to the UHP model
- Is there a name for this special complex function?
- calculation help
May 14
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 14
May 15
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 15
May 17
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 17
May 18
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 18
May 19
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 19
- Eigenvectors
- Dart question
- Constant continuous maps between a topology on the natural numbers and the reals
May 20
[edit]Wikipedia:Reference desk/Archives/Mathematics/2010 May 20
- Maclaurin series
- Partial Surface Area of a Sphere
- Applications of calculus in lower maths
- Definition of the (units of time)...that make up the components of one second.
May 21
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 21
- Linear recurrence
- behaviour of rotating hardboiled egg
- sum continous random variable
- Finding a geodesic
- Newton's division
May 22
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 22
- derivative of sin(ax)
- Stable ranges for Albedo and Emissivity of Earth
- If diameter divided Circumference, what we will get?
- Quick query on index 5 subgroups of A5
- Euler's constant again
May 23
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 23
May 24
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 24
- Type II error question
- Probability in a deck of cards
- What is it called....
- Need a simple function
- Line inttegral
May 25
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 25
May 26
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 26
- Wall Street and proof theory -- wtf?
- differential equation
- Extension of implications of Normal Topological Spaces
- 'Reflection invariant' Set
- Standard Deviation in Normal Approximation of Binomial Distribution
- Graph of a function
- Ellipse
May 27
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 27
May 28
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 28
May 29
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 29
- Is Axiom of Extensionality Converse true (special formulation)?
- Maple 13
- What does F(x|theta) mean?
- why cant we integrate (sinx)^2 and (cosx)^2 without using cos2x
- Making 2+2=5
- Question about 3SAT and NP-Complete
May 30
[edit]Wikipedia:Reference_desk/Archives/Mathematics/2010 May 30
- Complex analysis questions
- Algebraic expressions for the standard trigonometric functions
- Exam question thats stumping me...
- Prove
- Matrices to the power n in an n-dimensional complex vector space