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Measurement and analysis of regional flood disaster resilience based on a support vector regression model refined by the selfish herd optimizer with elite opposition-based learning.

Journal of Environmental Management, 2021
Flood disasters are sudden, frequent, uncertain and highly hazardous natural disasters. The precise identification of the spatiotemporal evolution characteristics, key driving factors and influencing mechanisms of resilience has become a hot spot in ...
Dong Liu   +7 more
semanticscholar   +1 more source

Vector Calculus in Regional Development Analysis

Contributions To Economics, 2009
Kesra Nermend
exaly   +2 more sources

PostSLP: Cross-Region Vectorization of Fully or Partially Vectorized Code

2021
Modern optimizing compilers rely on auto-vectorization algorithms for generating high-performance code. Both loop and straight-line code vectorization algorithms generate SIMD vector instructions out of scalar code, with no intervention from the programmer.
Vasileios Porpodas, Pushkar Ratnalikar
openaire   +1 more source

Regional dynamics of tick vectors of human disease

Current Opinion in Insect Science, 2023
The expansion of tick-borne diseases challenges ecologists, epidemiologists, and public health professionals to understand the mechanisms underlying its emergence. The vast majority of tick-borne disease research emphasizes Ixodes spp. and Borrelia burgdorferi, with less known about other Ixodidae ticks that serve as vectors for an increasing number of
Chantelle, Wimms   +2 more
openaire   +2 more sources

Confidence regions of planar cardiac vectors

Journal of Electrocardiology, 1980
A method is presented for plotting the 90%, 95%, and 99% confidence regions of planar cardiac vectors based on the bivariate normal distribution.
S, Dubin, A, Herr, P, Hunt
openaire   +2 more sources

Vector projection method for unclassifiable region of support vector machine

Expert Systems with Applications, 2011
Unclassifiable region (UR) in conventional multi-classification support vector machine (MSVM) decreased the classification capacity and generalization ability of MSVM. To overcome the disadvantage, vector projection method (VPM) was presented. VPM first projects the samples in UR onto the line linking every two class centers, then computes the feature ...
Renbing Li, Aihua Li, Tao Wang, Liang Li
openaire   +1 more source

Multi-output support vector machine for regional multi-step-ahead PM2.5 forecasting.

Science of the Total Environment, 2019
Air quality deteriorates fast under urbanization in recent decades. Reliable and precise regional multi-step-ahead PM2.5 forecasts are crucial and beneficial for mitigating health risks.
Yan-Lai Zhou   +5 more
semanticscholar   +1 more source

An algorithm for shading of regions on vector display devices

Proceedings of the 6th annual conference on Computer graphics and interactive techniques, 1979
The display of shaded polygons by line, cross-hatch, and dot patterns on vector devices is a task frequently used in computer graphics and computer cartography. In applications such as the production of shaded maps polygon shading turns out to be critical with respect to time requirements, and the development of efficient algorithms is of importance.
Kurt E. Brassel, Robin Fegeas
openaire   +1 more source

On the QoS feasibility region in the vector broadcast channel

2010 IEEE International Conference on Acoustics, Speech and Signal Processing, 2010
We investigate the geometry of the feasible Quality of Service (QoS) region in the vector broadcast channel when the available transmit power is unbounded. It turns out that a complete description of the feasible QoS region attains its simplest form in the minimum mean square error (MMSE) domain although most of the literature handles feasibility in ...
Raphael Hunger, Michael Joham
openaire   +1 more source

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