Results 11 to 20 of about 624,709 (272)
Study on effective extraction radius of bedding borehole under the impact of normal fault
Gong-kuang zidonghua, 2022 The reasonable effective extraction radius of borehole is the key to ensure gas extraction effect. However, the research of effective extraction radius mainly focuses on the measurement method of effective extraction radius of borehole, and there is a ...
JIANG Mingquan +4 more
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Preface to the special issue on the numerical range and numerical radius [PDF]
Linear and Multilinear Algebra, 2009 The study of the numerical range, numerical radius, and their generalizations has a long and extensive history.
C.-K. Li, T.-Y. Tam
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Numerical Simulation of Supersonic Carman Curve Bodies with Aerospike
International Journal of Aerospace Engineering, 2021 Drag reduction is one of the important problems for the supersonic vehicles. As one of the drag reduction methods, aerospike has been used in some equipment because of its good drag reduction effect.
HaiLong Zhao +5 more
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Applied Sciences, 2022 Compared with straight tunnels, over-excavation occurs on the inner side of the curved section during shield construction of small radius curved tunnels, and the disturbance to the ground surface and mechanical properties of surrounding rock and segment ...
Ping Lou +4 more
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Gong-kuang zidonghua, 2020 Current research on hydraulic punching technology seldom considers that pressure relief range of hydraulic punching in inclined coal seam varies with direction and influence of coal seam inclination on the effective radius of hydraulic punching pressure ...
HUA Mingguo, YAO Banghua, LI Jianwei
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Non-linear maps on self-adjoint operators preserving numerical radius and numerical range of Lie product [PDF]
Linear and Multilinear Algebra, 2015 22 ...
He, Kan, Hou, Jinchuan
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Geofluids, 2022 The accuracy of the drainage radius plays a vital role in the gas drainage effect, and the establishment of the drainage model and numerical calculation of the model has an essential value for the accurate determination of the drainage radius.
Xinshan Peng, Zhaofeng Wang, Lingling Qi
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Numerical range and numerical radius for some operators
Linear Algebra and its Applications, 2010 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Karaev, M. T., Iskenderov, N. Sh.
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Sesquilinear version of numerical range and numerical radius
Acta Universitatis Sapientiae, Mathematica, 2017 AbstractIn this paper by using the notion of sesquilinear form we introduce a new class of numerical range and numerical radius in normed space š¯’±, also its various characterizations are given. We apply our results to get some inequalities.
Moradi, HR +3 more
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Sensors, 2019 Calderon’s method has been successfully used for the direct image reconstruction in electrical capacitance tomography. In the method, the truncation radius adopted in numerical integral greatly influences the reconstruction results.
Shijie Sun +4 more
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