cvxpy

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NOTICE: This group is shutting down. All discussion should take place on our discord or on stack overflow.

FORMERLY: Dedicated mailing list for discussing CVXPY and convex optimization.

CVXPY home: http://cvxpy.org

CVXPY source: https://github.com/cvxgrp/cvxpy

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Steven Diamond

9/26/21

Moving to discord

We are moving all CVXPY discussion to discord (https://discord.gg/TnFbxDsJ). We're very excited

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Moving to discord

We are moving all CVXPY discussion to discord (https://discord.gg/TnFbxDsJ). We're very excited

9/26/21

alireza tirekar, Steven Diamond2

9/23/21

ceil and inv_pos()

This mailing list is deprecated. Please post on stackoverflow or in the cvxpy discord (https://

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ceil and inv_pos()

This mailing list is deprecated. Please post on stackoverflow or in the cvxpy discord (https://

9/23/21

Xu Siyuan, Steven Diamond2

9/16/21

numpy.bool_' object has no attribute 'parameters'

That is puzzling. Maybe you can create a snippet that we could run that reproduces the error? Also we

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numpy.bool_' object has no attribute 'parameters'

That is puzzling. Maybe you can create a snippet that we could run that reproduces the error? Also we

9/16/21

Weizhen Li, Steven Diamond2

9/10/21

Problem in installing cvxpy on Red Hat Linux

This group is shutting down. All discussion should take place on our discord or on stack overflow. On

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Problem in installing cvxpy on Red Hat Linux

This group is shutting down. All discussion should take place on our discord or on stack overflow. On

9/10/21

تلاوات نادرة2

8/9/21

CVXPY installation on Windows PIP version

Hi Its solved. Sorry for the inconvenience. Regards On Sunday, August 8, 2021 at 10:12:53 AM UTC+3

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CVXPY installation on Windows PIP version

Hi Its solved. Sorry for the inconvenience. Regards On Sunday, August 8, 2021 at 10:12:53 AM UTC+3

8/9/21

Steven Diamond

7/20/21

New Discord

Hi everyone! We are moving our discussions to a new Discord (invite here https://discord.gg/

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New Discord

Hi everyone! We are moving our discussions to a new Discord (invite here https://discord.gg/

7/20/21

Abhishek Cauligi

7/12/21

Releasing Gurobi License

Hi all, Is there a way to release a Gurobi model license through cvxpy? The gurobipy interface has a

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Releasing Gurobi License

Hi all, Is there a way to release a Gurobi model license through cvxpy? The gurobipy interface has a

7/12/21

Hassan Yazdani

7/12/21

ADMM implementation on a convex LP, convergence issue.

Hi. I hope you all are in good health. I have coded a simple LP on cvxpy, and it has an optimal

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ADMM implementation on a convex LP, convergence issue.

Hi. I hope you all are in good health. I have coded a simple LP on cvxpy, and it has an optimal

7/12/21

Sandeep Parameshwara, … Michal Adamaszek3

7/9/21

ARPACK error 3 while solving the quadratic program using OSQP

That was previously reported in https://stackoverflow.com/questions/63960214/cvxpy-failing-randomly-

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ARPACK error 3 while solving the quadratic program using OSQP

That was previously reported in https://stackoverflow.com/questions/63960214/cvxpy-failing-randomly-

7/9/21

pooyan shirvani

7/8/21

Passing solver options to GLPK_MI

Hi. I am using GLPK_MI to solve a MIP problem. Since the problem is NP-hard, I am happy with a

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Passing solver options to GLPK_MI

Hi. I am using GLPK_MI to solve a MIP problem. Since the problem is NP-hard, I am happy with a

7/8/21

Javier Gutiérrez Oliet, Steven Diamond2

7/1/21

Kronecker product constraints

Unfortunately there is no special efficient way to do this in cvxpy that comes to mind. I did

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Kronecker product constraints

Unfortunately there is no special efficient way to do this in cvxpy that comes to mind. I did

7/1/21

Tobias Pfingsten

6/17/21

Mixing constants, floats and boolean in one variable

Dear CVXPY community first of all thanks for the great package! I love using it. In my problem setup

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Mixing constants, floats and boolean in one variable

Dear CVXPY community first of all thanks for the great package! I love using it. In my problem setup

6/17/21

Sandeep Parameshwara, Steven Diamond2

6/9/21

Using Parameters in solving the problem

Add a variable v and the constraint v == Ax0 + S@u - reference Then cost = cp.sum_squares(Q_half @ v)

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Using Parameters in solving the problem

Add a variable v and the constraint v == Ax0 + S@u - reference Then cost = cp.sum_squares(Q_half @ v)

6/9/21

Xu Siyuan, Steven Diamond2

6/5/21

'NotImplementedType' object is not iterable

You should have "term1 = 0". On Tuesday, June 1, 2021 at 1:33:54 PM UTC-7 siyuan...@gmail.

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'NotImplementedType' object is not iterable

You should have "term1 = 0". On Tuesday, June 1, 2021 at 1:33:54 PM UTC-7 siyuan...@gmail.

6/5/21

Xu Siyuan, Erling D. Andersen3

5/26/21

RuntimeWarning: in SCS or The lower bound specified is not a number (nan). in MOSEK

The Mosek error means that cvxpy sends invalid numbers into Mosek. Maybe there are nans in your data

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RuntimeWarning: in SCS or The lower bound specified is not a number (nan). in MOSEK

The Mosek error means that cvxpy sends invalid numbers into Mosek. Maybe there are nans in your data

5/26/21

Patrick O'Callaghan, Steven Diamond4

5/24/21

Quasiconvex programming trouble with addition operator

Sure On Tuesday, May 25, 2021 at 8:44:14 AM UTC+10 diamond.p...@gmail.com wrote: Could you post a

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Quasiconvex programming trouble with addition operator

Sure On Tuesday, May 25, 2021 at 8:44:14 AM UTC+10 diamond.p...@gmail.com wrote: Could you post a

5/24/21

Nick Larson, Steven Diamond2

5/24/21

repeat calls to gradient

In theory it should be possible to do something here, but it will be a while before any developer had

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repeat calls to gradient

In theory it should be possible to do something here, but it will be a while before any developer had

5/24/21

Steven Wong, Steven Diamond4

5/20/21

Minimum trade size

The sub-optimality will vary across problems, you can check it by solving the mixed-integer version.

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Minimum trade size

The sub-optimality will vary across problems, you can check it by solving the mixed-integer version.

5/20/21

내아이디, Erling D. Andersen2

5/4/21

How can i solve this problem??

What error message do you get? søndag den 2. maj 2021 kl. 10.48.56 UTC+2 skrev cjdt...@gmail.com: l

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How can i solve this problem??

What error message do you get? søndag den 2. maj 2021 kl. 10.48.56 UTC+2 skrev cjdt...@gmail.com: l

5/4/21

Sandeep hegde, … Sunghee Yun5

4/29/21

error using2 norm insid quad_form in objective function

Hi Sandeep, In addition to Michal's comment above, the constraints, $\|X_i - X_j^P\|_2 \geq D

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error using2 norm insid quad_form in objective function

Hi Sandeep, In addition to Michal's comment above, the constraints, $\|X_i - X_j^P\|_2 \geq D

4/29/21

VIVEK PANDEY

4/26/21

pytest cvxpy/tests shows no file found

I installed cvxpy but while testing pytest cvxpy/tests shows error. Where am I missing?

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pytest cvxpy/tests shows no file found

I installed cvxpy but while testing pytest cvxpy/tests shows error. Where am I missing?

4/26/21

Xu Siyuan, Erling D. Andersen2

4/13/21

Some result is completely wrong, even though optimality reported

You should try another optimizer than SCS. Given my origin I recommend Mosek. søndag den 11. april

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Some result is completely wrong, even though optimality reported

You should try another optimizer than SCS. Given my origin I recommend Mosek. søndag den 11. april

4/13/21

Wendell

4/8/21

TypeError: can only be called with ndarray object

Hi! When I tried the example code: import cvxpy as cp import numpy as np # Generate data. m = 20 n =

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TypeError: can only be called with ndarray object

Hi! When I tried the example code: import cvxpy as cp import numpy as np # Generate data. m = 20 n =

4/8/21

ayman chouayakh, Yijie Zhao3

4/8/21

Inv_pos + DCP rules

Yes you are right! thanks. In fact, in the original problem, for x>1, y >0, I have the function

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Inv_pos + DCP rules

Yes you are right! thanks. In fact, in the original problem, for x>1, y >0, I have the function

4/8/21

李亚楠

3/29/21

Segmentation fault (core dumped): Everytime introduces an expression into my target objective, and the terminal exits and displays only this piece of information

Hi, I recently came across a bug that I was having a hard time fixing it. Everytime introduces the

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Segmentation fault (core dumped): Everytime introduces an expression into my target objective, and the terminal exits and displays only this piece of information

Hi, I recently came across a bug that I was having a hard time fixing it. Everytime introduces the

3/29/21

Sandeep hegde, Steven Diamond2

3/15/21

Determinant Maximization problem

It should be ``` F = cvx.bmat([ [Y, Y@(AB@L).T], [(AB@L)@Y, Y ]]) ``` Play around with that. On

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Determinant Maximization problem

It should be ``` F = cvx.bmat([ [Y, Y@(AB@L).T], [(AB@L)@Y, Y ]]) ``` Play around with that. On

3/15/21

Richard Barnes, Steven Diamond2

2/28/21

Timeout Indicator

cvxpy now has a status for timeout "USER_LIMIT". It's not present in the CBC interface

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Timeout Indicator

cvxpy now has a status for timeout "USER_LIMIT". It's not present in the CBC interface

2/28/21

Henry Wang, Steven Diamond3

2/26/21

Recursion error on selective machines

Hi Steven, Thanks for the tip. This looks pretty cool - I actually wasn't aware of cvxpylayers

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Recursion error on selective machines

Hi Steven, Thanks for the tip. This looks pretty cool - I actually wasn't aware of cvxpylayers

2/26/21

Yu Ren

2/24/21

How can I solve the chain constraints error in LQ problem?

I met a problem when I try to use cvxpy to solve the LQ problem. Let me give a simple example. My

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How can I solve the chain constraints error in LQ problem?

I met a problem when I try to use cvxpy to solve the LQ problem. Let me give a simple example. My

2/24/21

Ibrahim Pehlivan, Steven Diamond2

2/23/21

User defined functions- objective function

Anything you can do in CVX you can do in cvxpy (in principle). It's a bit hard to discuss so

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User defined functions- objective function

Anything you can do in CVX you can do in cvxpy (in principle). It's a bit hard to discuss so

2/23/21