نتایج جستجو برای: dimension

تعداد نتایج: 111781  

Journal: :Math. Log. Q. 2008
Satyadev Nandakumar

In the context of Kolmogorov’s algorithmic approach to the foundations of probability, Martin-Löf defined the concept of an individual random sequence using the concept of a constructive measure 1 set. Alternate characterizations use constructive martingales and measures of impossibility. We prove a direct conversion of a constructive martingale into a measure of impossibility and vice versa, s...

2000
Ai-Hua Fan Ka-Sing Lau Hui Rao

We establish various relationships of the Hausdorff dimension, entropy dimension and L p-dimension of a measure without assuming that the local dimension of exists-a.e. These extend a well known result of Young.

Journal: :CoRR 2015
Reza Farrahi Moghaddam Mohamed Cheriet

The Hausdorff fractal dimension has been a fast-to-calculate method to estimate complexity of fractal shapes. In this work, a modified version of this fractal dimension is presented in order to make it more robust when applied in estimating complexity of non-fractal images. The modified Hausdorff fractal dimension stands on two features that weaken the requirement of presence of a shape and als...

Journal: :Theor. Comput. Sci. 2003
John M. Hitchcock

We show that the Hausdorff dimension equals the logarithmic loss unpredictability for any set of infinite sequences over a finite alphabet. Using computable, feasible, and finite-state predictors, this equivalence also holds for the computable, feasible, and finite-state dimensions. Combining this with recent results of Fortnow and Lutz (2002), we have a tight relationship between prediction wi...

Journal: :Discrete Applied Mathematics 1993
John Shawe-Taylor Martin Anthony Norman Biggs

A proof that a concept is learnable provided the Vapnik-Chervonenkis dimension is finite is given. The proof is more explicit than previous proofs and introduces two new parameters which allow bounds on the sample size obtained to be improved by a factor of approximately 4log2(e).

Journal: :Discrete & Computational Geometry 1994
Bernd Gärtner Emo Welzl

An arrangement of oriented pseudohyperplanes in affine d-space defines on its set X of pseudohyperplanes a set system (or range space) (X,R), R ⊆ 2 of VCdimension d in a natural way: to every cell c in the arrangement assign the subset of pseudohyperplanes having c on their positive side, and let R be the collection of all these subsets. We investigate and characterize the range spaces correspo...

Journal: :CoRR 2015
Juan M. Alonso

The classical Hausdorff dimension, denoted dimH , of finite or countable sets is zero. We define an analog for finite sets, called finite Hausdorff dimension and denoted dimfH , which is non-trivial. It turns out that a finite bound for dimfH (F ) guarantees that every point of F has ”nearby” neighbors. This property is important for many computer algorithms of great practical value, that obtai...

Farnad Zahra Sadat Afghah

This study  tries to review actual customers of banks and identify the effect of e-CRM system on attracting bank deposits with a scientific method Descriptive statistics to summarize data and describe them and inferential statistical methods such as PLS structural model to intended testing hypotheses, we used to .  The statistical population included all actual customers of Eghtesad Novin, Ayan...

Farnad Zahra Sadat Afghah

This study  tries to review actual customers of banks and identify the effect of e-CRM system on attracting bank deposits with a scientific method Descriptive statistics to summarize data and describe them and inferential statistical methods such as PLS structural model to intended testing hypotheses, we used to .  The statistical population included all actual customers of Eghtesad Novin, Ayan...

Journal: :CoRR 2015
Elsa M. de la Calleja F. Cervantes Jorge de la Calleja

We report the degree of order of twenty two Jackson Pollock's paintings using Hausdorff-Besicovitch fractal dimension. Through the maximum value of each multi-fractal spectrum, the fractality of the artworks is presented as a function of the year in which they were painted. It has been reported that Pollock's paintings are fractal and it increased on his latest works. However our results show t...

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