r decomposition of a matrix of full column rank

... our particular application The point is that there are some feature sets that are very well suited to a particular unsupervised problem but are sparse, so they give only a partial clustering At ... same time, there are other feature sets that are denser and, possibly for that reason, adequate for super- vised separation of the intended classes but inadequate for unsupervised separation of ... only a small fraction are incorrectly assigned That is, we can tease apart the components almost perfectly Figure Percentage of verses in each munged different-genre pair of books that are correctly...

Ngày tải lên: 17/03/2014, 00:20

... Labor Statistics LAWRENCE T PAPAY, Science Applications International Corporation WILLIAM H PRESS, Los Alamos National Laboratory ROBERT J SPINRAD, Xerox PARC (retired) BARRY M TROST, Stanford ... to serve as miniature chemical laboratories—“labs on a chip”—having a characteristic feature size of tens of microns While DNA microarrays are used primarily to monitor changes in patterns of gene ... available as a commercial product for the treatment of severe burns, and a great deal of progress has been made in promoting the re-endothelialization of synthetic vascular grafts There has also...

Ngày tải lên: 23/03/2014, 01:20

... In an attempt to analyze this transcriptional regulation, we isolated a novel splicing variant of STAT 5A, STAT 5A_ DE18, from a cDNA library of the mouse brainstem The variant protein was generated ... the STAT 5A_ DE18 mRNA results in a translational frameshift from Ala688 The STAT 5A_ DE18 protein lacks the Tyr694 phosphorylation site and transactivation domain, and contains a new reading frame ... brainstem and coaggregates with STAT 5A_ full length (STAT 5A_ FL) Furthermore, the expression of this variant suppresses the activity of STAT 5A Results Isolation of a novel STAT 5A splicing variant...

Ngày tải lên: 23/03/2014, 04:20

... to re-create yourself and your world around you To speak correctly, a sub-atomic particle is not really a particle in the way that a grain of sand is a particle While atomic and larger particles ... that a wealthy person has a higher self-worth and value than a poor person, but you can correctly say that in matters that relate and pertain to money, the wealthy person has a higher internal value ... made of? Atoms What are atoms made of? Sub-atomic particles What are sub-atomic particles made of? Energy? No They are not made of energy; they are energy You are one big ‘chunk’ of energy And...

Ngày tải lên: 16/04/2014, 16:26

Ngày tải lên: 24/04/2014, 17:16

... concentration index by dimension and subgroup separately In Wagstaff et al [12] a multivariate regression approach is used for a decomposition of background characteristics The regression approach assists ... standard deviation of 7.92 indicating that physical health status is slightly better than the American norm of 50 Furthermore the variation is also smaller as the American norm is a standard ... into explanatory variables was carried out by a multivariate regression approach as in Wagstaff et al [12], where the concentration indices for PCS and MCS were expressed as weighted sums of the...

Ngày tải lên: 20/06/2014, 15:20

... materials were firstly characterized with XRD analysis The XRD pattern of the precursor Ag/ACD (Fig 3a) is characteristic of an amorphous material The presence of two broad bands without any pronounced ... with a scan rate 0.03 s-1 Thermogravimetric and Differential thermal analysis measurements were recorded on a Perkin–Elmer Pyris TGA/DTA under airflow with a heating rate 10 °C min-1 Infrared spectra ... silver nanoparticles, two interesting aspects should be marked in the TEM analysis of both samples: the appearance of turbostratic graphitic layers at the Ag/pyr sample and a minor fraction of quasicrystalline...

Ngày tải lên: 22/06/2014, 00:20

... redispersed in chloroform Characterization Powder XRD measurements were made using a Scintag X1 powder diffractometer The samples for XRD analysis were prepared by dropping the solution of NCs ... carbon coated copper grids UV–VIS–NIR absorption spectra were measured at room temperature with a Cary 5000 UV–VIS–NIR spectrometer (Varian) Results and discussion Bis(diethyldithiocarbamato) tin(II) ... The absorption coefficient for SnS nanoparticles a, was calculated from the average absorption index (A) as a ¼ 4pA=k [4] The spectral behavior of the absorption coefficient as a function of energy,...

Ngày tải lên: 22/06/2014, 22:20

... redispersed in chloroform Characterization Powder XRD measurements were made using a Scintag X1 powder diffractometer The samples for XRD analysis were prepared by dropping the solution of NCs ... carbon coated copper grids UV–VIS–NIR absorption spectra were measured at room temperature with a Cary 5000 UV–VIS–NIR spectrometer (Varian) Results and discussion Bis(diethyldithiocarbamato) tin(II) ... The absorption coefficient for SnS nanoparticles a, was calculated from the average absorption index (A) as a ¼ 4pA=k [4] The spectral behavior of the absorption coefficient as a function of energy,...

Ngày tải lên: 22/06/2014, 22:20

... behavior of a particular case of the difference equation of [5], because the factor + un+1 appears both in the numerator and the denominator of (7.1) Corollary 7.2 The particular case of difference ... on the diagonal and the birational transformation of the quartic We know that the quartic curve has two double points at infinity in vertical and horizontal direction, which are ordinary if d2 ... regular cubic curve by a birational transformation To make such a transformation, some point of Q(K) should disappear, and to preserve the symmetry of the curve with respect to the diagonal δ : x =...

Ngày tải lên: 23/06/2014, 00:20

... coupling of the reaction rate with mass and energy balances The heat data obtained from the reaction calorimetry were fitted to a mathematical model based on mass and energy balances for a batch reactor ... experiments performed are summarized in table (1) The influences of hydrogen peroxide and catalyst concentration and of the initial temperature of the reactor on the reaction rate and the heat ... temperature was very close to the calculated value based on Arrhenius equation with the parameters previously reported by Wirges [5] The extraction of kinetic parameters from measured heat flux data was...

Ngày tải lên: 22/07/2014, 03:20

... equivalence and characterization via a continuous evolution of a physical analog, cond-mat/0209112 [7] F Harary, Frank and R Z Norman, Some properties of line digraphs, Rend Circ Mat Palermo (2) ... 1 Introduction Graphs are often conveniently represented using matrices, for example, the adjacency matrix, the Laplacian matrix, etc [5] Many important properties of a graph are encoded ... spectra of S + (U(G)) and S + (U(G)2 ) are determined by the parameters of G Therefore the spectra of these matrices not characterize G itself Proposition 3.1 Let G be a k-regular graph on n vertices...

Ngày tải lên: 07/08/2014, 13:21

... general malaise of health systems such as a maldistribution of adequately trained and well-motivated staff and a lack of affordable and reliable drugs and diagnostics [45] The poor quality of care ... among health care personnel [8] The combination of increasing health care demands and decreasing graduates in general practice will result in an estimated shortage of 27% of general practitioners ... desired actions and outcomes [58] The literature about patient empowerment and selfmanagement already brought about a major paradigm shift, from a so called ‘traditional medical’ to a collaborative...

Ngày tải lên: 11/08/2014, 14:21

... drug treated culture Cells are harvested 24 hours after treatment, stained for intracellular CA-p24 and analyzed by FACS The fold activation (as viral latency marker) is the ratio of CA-p24 positive ... cultures D: Extracellular CA-p24 concentrations in TNFa induced and mock treated cultures E: The concentration of extracellular CA-p24 was corrected for the percentage of intracellular CA-p24 ... terminal repeat Proc Natl Acad Sci USA 1989, 86:5974-5978 33 Barboric M, Nissen RM, Kanazawa S, Jabrane-Ferrat N, Peterlin BM: NFkappaB binds P-TEFb to stimulate transcriptional elongation by RNA...

Ngày tải lên: 13/08/2014, 01:21

... artery (Fig 2) The patient was referred to a cardiothoracic surgery center and was submitted to urgent coronary artery bypass grafting, which was performed 18 hours after the cardiac arrest Myocardial ... case, an elderly man with undiagnosed severe coronary artery disease was successfully resuscitated after cardiac arrest (CA) CA is defined as cessation of cardiac mechanical activity as determined ... Myocardial revascularization was obtained with four aortic coronary bypasses with left internal mammary artery to LAD, an inverted saphenous vein segment to diagonal branch, and a sequential saphenous...

Ngày tải lên: 13/08/2014, 23:21

... Collections All Rights Reserved Downloaded from http://jtp.sagepub.com at UNIV OF TROMSOE on August 9, 2008 © 1999 SAGE Publications All rights reserved Not for commercial use or unauthorized distribution ... Publications All rights reserved Not for commercial use or unauthorized distribution Downloaded from http://jtp.sagepub.com at UNIV OF TROMSOE on August 9, 2008 © 1999 SAGE Publications All rights reserved ... Publications All rights reserved Not for commercial use or unauthorized distribution Downloaded from http://jtp.sagepub.com at UNIV OF TROMSOE on August 9, 2008 © 1999 SAGE Publications All rights reserved...

Ngày tải lên: 04/03/2015, 10:25

... (1) A plot of observed first order rate constant (min-1) for dye removal as a function of FeOOH concentration is shown in Figure All R2 for the fitness of observed first order reaction were more ... hydrogen peroxide and metal surface (Weiss et al., 1934) Dye removal can occur as a result of the reaction between dye and hydroxyl radicals The dye removal was investigated as a function of ... than 0.99 at each FeOOH concentration In contrast with the result of Figure 2, dye removal was not proportional to the FeOOH concentration Rather, the observed first order rate constant for dye...

Ngày tải lên: 05/09/2013, 08:40

... total 31 DOF The head of it has DOF, each leg consists of a thigh, shank and foot and has total DOF, and each arm consists of an upper arm, forearm and hand, and has total DOF All joints are driven ... underwater manipulating robot It will be used to lay and maintain cables under the sea -6- CURRENT R& D OF ADVANCED ROBOTS IN CHINA REPORT TO JCF’2002 OF IARP Fig 7-1 Underwater cable-burying robot ... micromachining tasks are performed At the same time, -5- Fig.5-5 Total optical micromanipulating system CURRENT R& D OF ADVANCED ROBOTS IN CHINA REPORT TO JCF’2002 OF IARP micromanipulations or...

Ngày tải lên: 13/02/2014, 08:20

... rate risk premium We find that both inflation risk premia and real rate risk premia are present in nominal bond returns and explain 3% and 5% of the variance of their realized excess returns, respectively ... for both timevarying real interest rate risk premia and time-varying inflation risk premia Liquidity appears uncorrelated with real interest rate and inflation risk premia We test whether bond return ... for the real rate risk premium and 1.38% for the inflation risk premium The estimated inflation and real rate risk premia explain 3% and 5% of the sample variability of realized nominal bond returns,...

Ngày tải lên: 16/02/2014, 02:20

... to assemble all gures Acknowledgements We thank R. R Hantgan (Wake Forest University, NC, USA) for comments We are grateful to M .A Arnaout (Harvard Medical School, Charlestown, MA, USA) for very ... version of this article Please note: As a service to our authors and readers, this journal provides supporting information supplied by the authors Such materials are peer-reviewed and may be re-organized ... important details of their experimental work and feedback on our calculations of the nanodiscs properties; and to A Shih and S.G Sligar (University of Illinois at Urbana-Champaign, IL, USA) for...

Ngày tải lên: 18/02/2014, 04:20