Wikipedia:Reference desk/Archives/Mathematics/July 2012
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July 1[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 1
- Which font is used in equations
- Probability question
- "Best" twice differentiable upper bound approximations of functions for optimization?
July 2[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 2
- Bases of Fermat quotients
- Material conditional and functional completeness
- Name for set including Moebius strip and Klein Bottle?
July 5[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 5
July 7[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 7
July 8[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 8
- math questions regarding 1 per hundred, 1 per thousand, 1 per ten and other numbers
- Rigid Body Rotation
- matrix vs. tensor
July 9[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 9
July 10[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 10
July 11[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 11
July 12[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 12
July 13[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 13
- Confusion about orbit of PSL(2,5)/A_5 on unordered triples (10/20?)
- What's the correct word for "periodizing" the input to a periodic function?
- Fourier Analysis
July 14[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 14
July 16[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 16
- How do you call in statistics when you correct the data?
- "n-body problem" singularities
- (simple) Example of design with non-fixed intersection numbers?
July 17[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 17
July 18[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 18
July 19[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 19
- Number that isn't a scalar
- Extendible cardinals vs Reinhardt cardinals
- rotating a sphere in higher dimensions
July 20[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 20
July 21[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 21
July 22[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 22
July 23[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 23
- Prime Pascal
- Different non-touching edge choices on Regular polyhedra question...
- Error in article but cannot edit it
- Primorials
July 24[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 24
July 25[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 25
- in MATLAB, the absolute value of the Pearson correlation coefficient is much higher than sqrt(R^2) of least squares fit
- Term for visual appearance of slope
- How does curvature correlate to velocity in a random walk with randomly-distributed speeds (i.e. Brownian motion)?
July 27[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 27
July 28[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 28
July 29[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 29
- under a coordinate transformation
- I don't think you should be able to prove it.
- is "can't be proof" synonymous with independent?
July 30[edit]
Wikipedia:Reference_desk/Archives/Mathematics/2012 July 30
- suppose a man produces a proof P that statement Q cannot be proven under Some Axioms but definitely has a certain Truth Value (unknown) under those axioms.
- Standard proof for identity:
- we just proved we can't prove it one way or another or know which one it is, but this statement is definitely false or true - not independent.
- example of an axiom that is statistically probably false
- popular description of result of independence
- Integral proof