7

Questions

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1
171
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Is there a relationship between Entropy of a fininte distrete probability distribution and the squre sum of the values of probability mass function of that distribution?

jan 8 at 16:54 R W 3,3361512

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55
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Do the Eigenvectors find by use PCA on a set of data point, a good replacement for Random Projection when I later on use L1Magic to reconstruct the sparse vector?

dec 18 at 15:16 gstar2002 575

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145
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why are two ranomly choosed vectors in high dimension space likely to be perpandicular to each other? [closed]

nov 15 at 14:19 gstar2002 575

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1
48
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What is the distribution of the distance between a specific word in a Text which is generated by a markov process?

oct 29 at 23:23 Omer 1,05836

1
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61
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Is is preferable to use a difference formula of higher order of accuracy for spatial derivatives to solve this IVP problem ?

oct 10 at 18:17 David Ketcheson 1814

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329
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Problem using finite difference to solve a initial value problem

aug 1 at 0:30 David Roberts 11.7k21855

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