Fast Projection onto the -Mixed Norm Ball Using Steffensen Root Search
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In this work we present a new algorithm for computing the projection onto the l∞,1 ball, which has found application in cognitive neuroscience and ...
FAST PROJECTION ONTO THE l∞,1-MIXED NORM BALL USING STEFFENSEN ROOT ... Our approach for solving (2) is based on the Steffensen root search method [9].
Feb 6, 2018 · This algorithm is based on a Steffensen type root search technique, with a number of improvements over prior root search methods for the same ...
In this work we present a new algorithm for computing the projection onto the ℓ∞,1 ball, which has found application in cognitive neuroscience and ...
Improvements: Steffensen type root search technique, pruning strategy and initial guess of solution. •Simulations: Average speedups of 4∼5 w.r.t. state of.
In this work we present a new algorithm for computing the projection onto the ℓ∞,1 ball, which has found application in cognitive neuroscience and ...
Our basic version used a Steffensen root-search algorithm and was introduced in the paper G. Chau, B. Wohlberg and P. Rodriguez, “Fast Projection onto the l∞,1 ...
An alternative strategy is to use root-search methods such as those in [12], [13] in order to find the optimal solution. Here we take an alternative approach ...
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