نتایج جستجو برای: square matrix equations
تعداد نتایج: 704236 فیلتر نتایج به سال:
A novel multigrid algorithm for computing the principal eigenvector of column stochastic matrices is developed. The method is based on the Exact Interpolation Scheme multigrid approach of Brandt and Ron, whereby the prolongation is adapted to yield a better and better coarse representation of the sought eigenvector. A special feature of the present approach is the squaring of the stochastic mat...
We compute the singular values of an m × n sparse matrix A in a distributed setting, without communication dependence on m, which is useful for very large m. In particular, we give a simple nonadaptive sampling scheme where the singular values of A are estimated within relative error with constant probability. Our proven bounds focus on the MapReduce framework, which has become the de facto too...
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We compute the singular values of an m × n sparse matrix A in a distributed setting, without communication dependence on m, which is useful for very large m. In particular, we give a simple nonadaptive sampling scheme where the singular values of A are estimated within relative error with constant probability. Our proven bounds focus on the MapReduce framework, which has become the de facto too...
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