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Welcome to the mosek discussion forum.

This is a moderated forum so your post will first appear after it has been approved.

If you want to report an issue related to MOSEK, then please include:

The exact MOSEK version you are using.
The platform you are working on (Linux, Windows, MacOS, 32 or 64 bit).
The API you are using (C, .NET, Java, MATLAB, Python, R, Optimizer or Fusion).
Log information and error message.
Data required to reproduce the problem, for example a task file or code sample (if relevant).

If you are looking for MOSEK documentation, tutorials, examples, notebooks or Modeling Cookbook, you will find them all at

https://www.mosek.com/documentation/

0 selected

Seyyed Enjavi, … Erling D. Andersen4

2:21 AM

feasibility of MPC

Most likely your problem has no feasible solution just like min 0x st x = -1 x >= 0 is infeasible.

unread,

feasibility of MPC

Most likely your problem has no feasible solution just like min 0x st x = -1 x >= 0 is infeasible.

2:21 AM

Trambak Banerjee, Michal Adamaszek3

Mar 22

Trouble integrating with R on Ubuntu 22.04

Thank you! I agree. The Linux 64x86 Mosek package was needed. I have downloaded that and the Rmosek

unread,

Trouble integrating with R on Ubuntu 22.04

Thank you! I agree. The Linux 64x86 Mosek package was needed. I have downloaded that and the Rmosek

Mar 22

Stefania Andersen, Michal Adamaszek3

Mar 8

Trouble integrating with Matlab

Thank you, that did the trick On Thursday, March 7, 2024 at 4:47:06 PM UTC Michal Adamaszek wrote: We

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Trouble integrating with Matlab

Thank you, that did the trick On Thursday, March 7, 2024 at 4:47:06 PM UTC Michal Adamaszek wrote: We

Mar 8

Sam Chevalier, Michal Adamaszek3

Feb 28

Conic Representation of half-sigmoid

Thanks, Michal! That makes sense, and I guess is what I expected. Sam On Tuesday, February 27, 2024

unread,

Conic Representation of half-sigmoid

Thanks, Michal! That makes sense, and I guess is what I expected. Sam On Tuesday, February 27, 2024

Feb 28

Richard Li, … Michal Adamaszek3

Feb 26

Massive linear cost hanging

This is more like a question to Drake support. We don't know what that package does before

unread,

Massive linear cost hanging

This is more like a question to Drake support. We don't know what that package does before

Feb 26

Feb 25

Finding nearest convex approximation

I am trying to solve following optimal control problem: minimize_over_x (x Q x^0.5 - B x) st sum(x) =

unread,

Finding nearest convex approximation

I am trying to solve following optimal control problem: minimize_over_x (x Q x^0.5 - B x) st sum(x) =

Feb 25

Richard Li, Erling D. Andersen2

Feb 19

Initial basic feasible solution for LP / simplex method

The crash strategy finds a sparse triangular matrix. It will mostly consist of slacks. onsdag den 14.

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Initial basic feasible solution for LP / simplex method

The crash strategy finds a sparse triangular matrix. It will mostly consist of slacks. onsdag den 14.

Feb 19

Richard Li, … Michal Adamaszek7

Feb 13

Return all basic feasible solutions in LP

Mosek always returns the last solution it found, so yes. If the simplex solver interrupted and had a

unread,

Return all basic feasible solutions in LP

Mosek always returns the last solution it found, so yes. If the simplex solver interrupted and had a

Feb 13

Richard Li, Michal Adamaszek2

Feb 11

Changing cost during branch and bound

It is not possible Michal On Saturday, February 10, 2024 at 8:10:32 AM UTC+1 Richard Li wrote: Is it

unread,

Changing cost during branch and bound

It is not possible Michal On Saturday, February 10, 2024 at 8:10:32 AM UTC+1 Richard Li wrote: Is it

Feb 11

Richard Li, Erling D. Andersen2

Feb 7

Initial guess in LP

The optimizer API makes that possible. Eg the Python version https://docs.mosek.com/latest/pythonapi/

unread,

Initial guess in LP

The optimizer API makes that possible. Eg the Python version https://docs.mosek.com/latest/pythonapi/

Feb 7

Renlei ren, Erling D. Andersen2

Feb 3

optimization with max function

I recommend you start by reading https://docs.mosek.com/modeling-cookbook/linear.html#maximum because

unread,

optimization with max function

I recommend you start by reading https://docs.mosek.com/modeling-cookbook/linear.html#maximum because

Feb 3

Feb 2

Exponential cone representation of an objective arising from the likelihood of a multivariate normal

Hi, I would really appreciate any help you might be able to provide with the query here: https://or.

unread,

Exponential cone representation of an objective arising from the likelihood of a multivariate normal

Hi, I would really appreciate any help you might be able to provide with the query here: https://or.

Feb 2

Richard Li, Erling D. Andersen4

Feb 2

Large-size LP never finishes

Thanks. If you need help turning basis identification off then let me know which interface you are

unread,

Large-size LP never finishes

Thanks. If you need help turning basis identification off then let me know which interface you are

Feb 2

Tiankai Xie, Michal Adamaszek3

Jan 30

Install error for Rmosek on Windows

We uploaded Mosek and Rmosek 10.1.23 which should fix that problem as long as you use the Matrix

unread,

Install error for Rmosek on Windows

We uploaded Mosek and Rmosek 10.1.23 which should fix that problem as long as you use the Matrix

Jan 30

可乐冰冰可乐, Michal Adamaszek7

Jan 25

Unknown problem status and solution status

Thank you for super fast reply anyway 在2024年1月25日星期四 UTC+8 21:36:29<Michal Adamaszek> 写道：

unread,

Unknown problem status and solution status

Thank you for super fast reply anyway 在2024年1月25日星期四 UTC+8 21:36:29<Michal Adamaszek> 写道：

Jan 25

Ronan MT Fleming, Erling D. Andersen2

Jan 24

exponential cone optimisation - perturbation analysis & boundary solutions

Maybe https://link.springer.com/article/10.1007/s10107-022-01883-8 is useful. onsdag den 24. januar

unread,

exponential cone optimisation - perturbation analysis & boundary solutions

Maybe https://link.springer.com/article/10.1007/s10107-022-01883-8 is useful. onsdag den 24. januar

Jan 24

Roger Koenker, … Utkarsh Detha7

Jan 23

Hi Roger, Just checking in to ask if you got it to work successfully. I can confirm that I got the

unread,

Hi Roger, Just checking in to ask if you got it to work successfully. I can confirm that I got the

Jan 23

Nagisa Sugishita, Michal Adamaszek6

Jan 22

Failed to solve SDPLib

Now that we have turned this thread into a small FAQ about LMIs and dualization let me also add for

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Failed to solve SDPLib

Now that we have turned this thread into a small FAQ about LMIs and dualization let me also add for

Jan 22

Richard Li, Michal Adamaszek2

Jan 21

Log why a subtree was pruned

Hi, This data is not made available. All you have are the information items starting with MSK_(DINF|

unread,

Log why a subtree was pruned

Hi, This data is not made available. All you have are the information items starting with MSK_(DINF|

Jan 21

Richard Li, … Michal Adamaszek6

Jan 18

Return n'th feasible solution

You can get notified and retrieve each new MIO solution in a callback function. It is explained in:

unread,

Return n'th feasible solution

You can get notified and retrieve each new MIO solution in a callback function. It is explained in:

Jan 18

Cookie Monster, … Michal Adamaszek5

Jan 17

Command Line vs Java API Default Parameters

Sorry, I answered without noticing that your own resolution of the issue is already waiting to be

unread,

Command Line vs Java API Default Parameters

Sorry, I answered without noticing that your own resolution of the issue is already waiting to be

Jan 17

Richard Li, Michal Adamaszek2

Jan 17

Failures in Docker + NFS

Hi, We don't know how Drake works. I suggest you ask Drake support. Purely from Mosek point of

unread,

Failures in Docker + NFS

Hi, We don't know how Drake works. I suggest you ask Drake support. Purely from Mosek point of

Jan 17

kk W, Erling D. Andersen2

Jan 11

L2 norm penalty

I assume f(x) can be modeled using cones. If not, then Mosek is not a suitable tool. If a<0, then

unread,

L2 norm penalty

I assume f(x) can be modeled using cones. If not, then Mosek is not a suitable tool. If a<0, then

Jan 11

Roger Koenker, Utkarsh Detha4

Jan 9

Rmosek: as(<dgCMatrix>, "dgTMatrix")' is deprecated

Thanks! I'm now updated and confirm that this warning has vanished. On Wednesday, October 11,

unread,

Rmosek: as(<dgCMatrix>, "dgTMatrix")' is deprecated

Thanks! I'm now updated and confirm that this warning has vanished. On Wednesday, October 11,

Jan 9

Cookie Monster, Michal Adamaszek2

Jan 5

Quadratic Programming Documentation Clarification

Hi, If you already have your objective expressed as x'Qx with symmetric Q then of course you are

unread,

Quadratic Programming Documentation Clarification

Hi, If you already have your objective expressed as x'Qx with symmetric Q then of course you are

Jan 5

Xingchen Fan, Erling D. Andersen2

12/22/23

Relaxed Objective Converging Slowly

If you have a hard problem, then the optimizer must have a hard time closing the gap. If that is the

unread,

Relaxed Objective Converging Slowly

If you have a hard problem, then the optimizer must have a hard time closing the gap. If that is the

12/22/23

dg, Erling D. Andersen2

12/21/23

Which manual at https://www.mosek.com/documentation/ are you reading? In other words which interface

unread,

Which manual at https://www.mosek.com/documentation/ are you reading? In other words which interface

12/21/23

Manish Singh, … Michal Adamaszek4

12/16/23

mosekopt.mexmaci64 not found

Thank you for such quick and effective resolution. I installed Apple silicon version of MATLAB now

unread,

mosekopt.mexmaci64 not found

Thank you for such quick and effective resolution. I installed Apple silicon version of MATLAB now

12/16/23

Coix He, … Erling D. Andersen12

12/12/23

How to express complex semi-positive constraints?

The dual solution to the dual problem is essentially the primal solution. fredag den 8. december 2023

unread,

How to express complex semi-positive constraints?

The dual solution to the dual problem is essentially the primal solution. fredag den 8. december 2023

12/12/23

kk W, Michal Adamaszek3

11/28/23

minimize weighted l2 norm

it works! thanks a lot. 'Michal Adamaszek' via mosek <mo...@googlegroups.com> 于2023年11月

unread,

minimize weighted l2 norm

it works! thanks a lot. 'Michal Adamaszek' via mosek <mo...@googlegroups.com> 于2023年11月

11/28/23

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