List questions from convex-optimization

Published on 03 Apr 2026 - 22:33

389

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How to show that $x\mapsto|x^3| $ is convex?

Published on 04 Dec 2016 - 14:37

400

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How to show sublevel sets of a quasiconvex function as its convex inequalities?

Published on 05 Dec 2016 - 14:22

3.3k

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The Sub Differential of a Matrix $ {L}_{1} $ Norm

Published on 25 Mar 2026 - 15:47

75

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Concavity of a function with a singular discontinuity in the 2nd derivative

Published on 05 Dec 2016 - 21:02

1.8k

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Deriving Block Soft Threshold from $ {L}_{2} $ Norm (Prox Operator)

Published on 25 Mar 2026 - 18:52

275

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Solving an obvious problem using Lagrange multipliers/KKT

Published on 30 Mar 2026 - 14:18

69

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unique optimal point of $f_0(x)=\sum_{i=1}^n f_i(x_i)$?

Published on 07 Dec 2016 - 4:30

192

Views

Converting LP into standard form

Published on 08 Apr 2026 - 14:41

954

Views

Gradient of the squared distance to a closed convex set?

Published on 09 Dec 2016 - 1:26

59

Views

Is the Quadratic function $ f \left( x_1, x_2, x_3 \right) $ Convex?

Published on 29 Mar 2026 - 10:48

172

Views

Prox Operator of the Projection to $\mathbb{R}_{+} $

Published on 10 Dec 2016 - 19:15

199

Views

How can I prove this set is convex?

Published on 04 Apr 2026 - 0:15

223

Views

How to solve the subroutine in Augmented Lagrangian Method with L-infinity norm restriction

Published on 11 Dec 2016 - 11:56

127

Views

Why are constraints not met in this quadratic program?

Published on 29 Mar 2026 - 10:48

List Question

Bounded Quadratic Concave Minimization

How to show that $x\mapsto|x^3| $ is convex?

How to show sublevel sets of a quasiconvex function as its convex inequalities?

The Sub Differential of a Matrix $ {L}_{1} $ Norm

Concavity of a function with a singular discontinuity in the 2nd derivative

Deriving Block Soft Threshold from $ {L}_{2} $ Norm (Prox Operator)

Solving an obvious problem using Lagrange multipliers/KKT

unique optimal point of $f_0(x)=\sum_{i=1}^n f_i(x_i)$?

Converting LP into standard form

Gradient of the squared distance to a closed convex set?

Is the Quadratic function $ f \left( x_1, x_2, x_3 \right) $ Convex?

Prox Operator of the Projection to $\mathbb{R}_{+} $

How can I prove this set is convex?

How to solve the subroutine in Augmented Lagrangian Method with L-infinity norm restriction

Why are constraints not met in this quadratic program?

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