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Efficient Projection Algorithms onto the Weighted 1 Ball

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Academic year: 2021

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Figure

Fig. 1 Relationship between the number of iterations, p, and the norms (n=100, m=256, k=15).
Table 1 Reconstruction and Sparsity for various State of the art algorithm and the SIRL1
Fig. 2 Example of C function. Looking for a projection onto a = 10 is equivalent to looking for C(λ) = 10
Fig. 4 Uniform distribution - Top: Projection time comparison, while the d value (size of the vector y to project) changes from 10 5 to 10 7 , with a = 4
+3

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