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re-magazine.ireb.org | ||
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vit.baisa.cz
A personal blog and a digital garden of Vít Baisa |
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paperswithcode.com
Your daily dose of AI research from AK |
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eng.aurelienpierre.com
This is a follow-up on the previous Websites suck, which covered the preliminary information retrieval step. Introduction On the open-source planet, in the 2020's, information is scattered over many websites: scientific journals for theory, specification sheets for standards and protocols, software documentation for "how to use tool", blogs and Youtube tutorials for "how to achieve goal", forums and support for "how to solve problems", Github for "what is known to break" and "why design (or lack thereof) was done this way", sourcecode for implementation details, and books for everything considered worthy of paiement for access. |
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djalil.chafai.net
This post is mainly devoted to a probabilistic proof of a famous theorem due to Schoenberg on radial positive definite functions. Let us begin with a general notion: we say that \( {K:\mathbb{R}^d\times\mathbb{R}^d\rightarrow\mathbb{R}} \) is a positive definite kernel when \[ \forall n\geq1, \forall x_1,\ldots,x_n\in\mathbb{R}^d, \forall c\in\mathbb{C}^n, \quad\sum_{i=1}^n\sum_{j=1}^nc_iK(x_i,x_j)\bar{c}_j\geq0. \] When \( {K} \) is symmetric, i.e. \( {K(x,y)=K(y,x)} \) for... |
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