منابع مشابه
Howard C. Elman and Gene H. Golub
We perform an analytic and experimental study of line iterative methods for solving linear systems arising from finite difference discretizations of non-self-adjoint elliptic partial differential equations on two-dimensional domains. The methods consist of performing one step of cyclic reduction, followed by solution of the resulting reduced system by line relaxation. We augment previous analys...
متن کاملHoward Chang: Gene regulation in time and space
T hough all cells within an organism carry the same set of genes, they display a wide range of characteristics , depending on where they are in the body and where the organism is in its life cycle. Howard Chang is interested in how large-scale gene regulatory programs control a cell's behavior in space and time. A practicing dermatologist, Chang studies many of these questions in the skin. Afte...
متن کاملGeneralized Golub-Kahan Bidiagonalization and Stopping Criteria
The Golub–Kahan bidiagonalization algorithm has been widely used in solving leastsquares problems and in the computation of the SVD of rectangular matrices. Here we propose an algorithm based on the Golub–Kahan process for the solution of augmented systems that minimizes the norm of the error and, in particular, we propose a novel estimator of the error similar to the one proposed by Hestenes a...
متن کاملJoe Howard
Joe Howard is a Group Leader and Director at the Max Planck Institute of Molecular Cell Biology and Genetics in Dresden. He has always been on the move. In his native Australia he did his PhD on the neurobiology of vision; in San Francisco he worked on hair cells and hearing; and in Seattle he developed single-molecule techniques to study microtubules and kinesins. He wrote a textbook on the Me...
متن کاملHoward Berg
to test whether termites of the Cryptotermes domesticus species might be able to discriminate between different sizes of wood. The team constructed experiments that presented termites with blocks of wood with a standard crosssectional diameter of 20x20 mm but of either 20 mm or 160 mm length. The insects were placed in a gap between the two faces of the timber blocks so that they were not able ...
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ژورنال
عنوان ژورنال: Linear Algebra and its Applications
سال: 2008
ISSN: 0024-3795
DOI: 10.1016/j.laa.2008.01.014