نتایج جستجو برای: top reached zero
تعداد نتایج: 353460 فیلتر نتایج به سال:
Class ambiguity is typical in image classification problems with a large number of classes. When classes are difficult to discriminate, it makes sense to allow k guesses and evaluate classifiers based on the top-k error instead of the standard zero-one loss. We propose top-k multiclass SVM as a direct method to optimize for top-k performance. Our generalization of the well-known multiclass SVM ...
Hypertension is one of the most prevalent risk factors in the development of cardiovascular diseases and events, and on the bright side it can perfectly be controlled in the vast majority of patients. Physicians for years have taken action to control it by instituting several means to decrease blood pressure in hypertensive patients and the population at large. Initially, this effort was succes...
We use the transverse momentum spectrum of leptons in the decay chain t-->bW with W-->lnu to measure the helicity of the W bosons in the top quark rest frame. Our measurement uses a t&tmacr; sample isolated in 106+/-4 pb(-1) of data collected in p&pmacr; collisions at sqrt[s] = 1.8 TeV with the CDF detector at the Fermilab Tevatron. Assuming a standard V-A weak decay, we find that the fraction ...
The dynamical equations for a spinning top are derived in which the orientation is speciied by a complex variable using stereographic projection of Poisson's equations. Necessary and suucient conditions for Lyapunov stability of the uncontrolled motion of the spinning top are derived using the Energy-Casimir method. Control laws that globally asymptotically stabilize the spinning top to the sle...
The dynamical equations for a spinning top are derived in which the orientation is specified by a complex variable using stereographic projection of Poisson’s equations. Necessary and sufficient conditions for Lyapunov stability of the uncontrolled motion of the spinning top are derived using the Energy-Casimir method. Control laws that globally asymptotically stabilize the spinning top to the ...
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