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15
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Generating sparse vectors in a subspace (of $\mathbb{R}^n$)

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#vector-spaces #sparsity
38
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Sparsity of DFT of powers of random sequence

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#random #fourier-transform #sparsity
549
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Non-sparse solution for a linear programming problem

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#linear-programming #mathematical-modeling #sparsity
568
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Controlling the number of nonzero components in the LASSO solution

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#statistics #convex-optimization #sparsity
90
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Proving that a matrix is sparse

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#matrices #sparse-matrices #sparsity
246
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Is There a Connection Between Minimum $ {L}_{1} $ Norm Solution and LASSO?

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#statistics #optimization #convex-optimization #machine-learning #sparsity
92
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References for finding sparse solutions of an unconstrained non-convex optimization problem.

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#optimization #nonlinear-optimization #non-convex-optimization #sparsity
67
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Efficiently enumerate the boolean matrix of sparsity k such that no rows and columns are all 0s.

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#combinatorics #matrices #sparsity
465
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$l_{0}$-norm constrained quadratic programming optimization

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#quadratic-programming #non-convex-optimization #sparsity
208
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vertical bar on vector

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#vector-spaces #notation #vectors #sparsity
36
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In order to induce group sparsity, can we use $\left \| A \right \|_{1,1}$ instead of $\left \| A \right \|_{1,2}$?

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#convex-optimization #numerical-linear-algebra #sparse-matrices #sparsity
72
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Minimization of $\|x\|_1$ subject to $\|Ax - y\| \leq \eta$ has an $m$-sparse solution when minimizer $x^*$ is unique

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#optimization #convex-optimization #signal-processing #sparsity
122
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Projection on modified L2-Ball

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#convex-geometry #projection #sparsity
906
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Solving the Basis Pursuit Linear Program

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#convex-optimization #linear-programming #matrix-rank #sparsity #cvxpy
94
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Orthogonal projection into a sparse subspace with $s$ dimension

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#optimization #projection #karush-kuhn-tucker #sparsity

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