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比利时vs摩洛哥足彩
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比利时vs摩洛哥足彩
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university of california san diego
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food for thought seminar
yuchao liu
ucsd
fantastic elevated submatrices and where to find them
abstract:
we consider the problem of finding an elevated submatrix inside a large, noisy matrix. we are interested in both the detection problem (detecting the existence of the elevated submatrix) and the localization problem (find out the row and column index sets of the submatrix). treating the elevated mean as the signal strength, we illustrate the fundamental signal boundaries of detection and localization, and propose estimators that reach the boundaries. the relationship of detection and localization problems will also be addressed.
november 13, 2017
11:00 am
ap&m 5402
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