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检索条件"主题词=Log-likelihood functions"
4 条 记 录,以下是1-10 订阅
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A MODIFIED STEEPEST DESCENT METHOD WITH APPLICATIONS TO MAXIMIZING likelihood functions
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ANNALS OF THE INSTITUTE OF STATISTICAL MATHEMATICS 1991年 第2期43卷 391-404页
作者: HABIBULLAH, M KATTI, SK UNIV WISCONSIN DIV SCI & MATH SUPERIOR WI 54880 USA UNIV MISSOURI DEPT STAT COLUMBIA MO 65211 USA
In maximizing a non-linear function G(theta), it is well known that the steepest descent method has a slow convergence rate. Here we propose a systematic procedure to obtain a 1-1 transformation on the variables theta... 详细信息
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Efficient derivative codes through automatic differentiation and interface contraction: An application in biostatistics
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SIAM JOURNAL ON SCIENTIFIC COMPUTING 1997年 第4期18卷 1056-1066页
作者: Hovland, P Bischof, C Spiegelman, D Casella, M ARGONNE NATL LAB DIV MATH & COMP SCI ARGONNE IL 60439 USA HARVARD UNIV SCH PUBL HLTH DEPT EPIDEMIOL BOSTON MA 02115 USA HARVARD UNIV SCH PUBL HLTH DEPT BIOSTAT BOSTON MA 02115 USA
Developing code for computing the first- and higher-order derivatives of a function by hand can be very time consuming and is prone to errors. Automatic differentiation has proven capable of producing derivative codes... 详细信息
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Monte Carlo Source Enumeration for Sparse Arrays  13
Monte Carlo Source Enumeration for Sparse Arrays
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13rd IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM)
作者: Liu, Chun-Lin Natl Taiwan Univ Dept Elect Engn Taipei 10617 Taiwan Natl Taiwan Univ Grad Inst Commun Engn Taipei 10617 Taiwan
Linear sparse arrays with N physical sensors can resolve O(N-2) directions of arrival (DOAs) for uncorrelated sources. This attribute is associated with the difference coarray of size O(N-2). However, the number of so... 详细信息
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A Generic Statistical Approach for Emission Computed Tomography Reconstruction
A Generic Statistical Approach for Emission Computed Tomogra...
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IEEE International Conference on Intelligent Computer Communication and Processing
作者: Anca Ciurte Sergiu Nedevschi Ioan Rasa Department of Computer Science Technical University of Cluj-Napoca Department of Mathematics Technical University of Cluj-Napoca
Nowadays, nuclear imaging is increasingly used for non-invasive diagnosis. The image modalities in nuclear imaging suffer of worse statistics, in comparison with computed tomography, since they are based on emission t... 详细信息
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