Risultati di ricerca
1 set 1989 · Abstract. We prove a lower bound of Ω ( (1/ɛ)ln (1/δ)+VCdim ( C )/ɛ) on the number of random examples required for distribution-free learning of a concept class C, where VCdim ( C) is the Vapnik-Chervonenkis dimension and ɛ and δ are the accuracy and confidence parameters. This improves the previous best lower bound of Ω ( (1/ɛ)ln (1/δ ...
5 apr 2004 · Tensile engineering stress–strain curves of the ECAP-Cu tested at two different strain rates of 1.0 × 10 −4 s −1 (curve A) and 1.0 × 10 −1 s −1 (curve B). Compared with the ECAP samples discussed above, a slightly lower yield strength is observed in this group of samples possibly because they are from a different section of the ECAP bar.
MODEL NUMBER : O NOT SCALE THIS DRAWING. D WN APPROVALS JIM APP CHK D Jun-14-19 ATE P ROJECTION S HEET: G ENERAL TOL. S CALE: N.T.S. U NITS MM b uydisplay.com Ea tRising EA S TRISING TECHNOLOGY CO.,LTD ER-EPM0154-1 W 旭日东方科技有限公司 eb: www.buydisplay.com Email: sales@buydisplay.com 1.U n
Linguaggi di interrogazione per basi di dati relazionali. Operazioni su basi di dati: interrogazioni (queries): “legge” dati dal base di dati. aggiornamenti (updates): “modifica” il contenuto della base di dati. Entrambe possono essere modellate come funzioni da basi di dati a basi di dati. Fondamenti possono essere studiati nel ...
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6 nov 2000 · The number of trkA-immunoreactive neurons was not correlated with MMSE, age at death, education, apolipoprotein E allele status, gender, or Braak score. These data indicate that alterations in the number of nucleus basalis neurons containing trkA immunoreactivity occurs early and are not accelerated from the transition from MCI to mild AD.
30 set 2021 · Abstract. MicroRNAs (miRNAs) are short non-coding RNAs that inhibit the expression of target genes by directly binding to their mRNAs. In animals, pri-miRNAs are cleaved by Drosha to generate pre ...
