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Trauma is one of the most critical public health issues worldwide, leading to death and disability and influencing all age groups. Therefore, there is great interest in models for predicting mortality in trauma patients admitted to the ICU. The main obje
Basit, B., Pryde, A.J.: Polynomials and functions with finite spectra on locally compact abelian groups. Bull. Aust. Math. Soc. 51, 33–42 (1995) MATH MathSciNet Google Scholar Baskakov, A.G.: Spectral criteria for almost periodicity of functional equations. Math. Notes 24, 606–612...
cosine transform, conversion of Chebyshev coefficients to polynomial coefficients, digit reduction to make coefficients take up less digits and an attempt at optimising fits to reduce the maximum error, evaluation of Chebyshev coefficients by the Clenshaw method, integration of Chebyshev polynomials. ...
An arbitrarily laminated version of Reissner-Naghdi's shell theory was employed to formulate the theoretical model and double mixed series, i.e., the Fourier series and orthogonal polynomials, were used as admissible displacement functions for each shell segment. The author's concluded that the ...
Sorting out typicality with the inverse moment matrix SOS polynomial Edouard Pauwels*, ; Jean-Bernard Lasserre, LAAS-CNRS http://arxiv.org/abs/1606.03858 Abstract: We study a surprising phenomenon related to the representation of a cloud of data points using polynomials. We start with the >pre...
If you’d like to fit orthogonal polynomials you can use the poly() function with raw = FALSE (which is the default). CopyHide # lme4 lmer(y ~ poly(time, 2) * tx + (poly(time, 2) | subjects), data=data) # nlme lme(y ~ poly(time, 2) * tx, random = ~poly(time, ...
In essence, SG filtering relies on the least square fitting of local high order polynomials to obtain weights, and then calculates weighted averages in order to smooth curves. Assuming that there are 2n + 1 terms, t times of fitting, the calculation formula of any SG filtered value is as ...
The ground truth to test the proposed automatic method is a set of 143 shorelines picked manually from the corresponding planviews. For each of the 143 planviews, three expert users have selected a set of points along the visually detected shoreline (see examples in Figure 3A, Figure 4A and...
Both nRMSE and nMBE values obtained through multilinear regressions exceeded 20% in all cases, results close to those obtained by other authors [2] who performed models using second-degree polynomials, obtaining nRMSE values between 20% and 54%. Previous works modeled hourly [31] and daily [34...