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NOTE: OPTI Toolbox development has been discontinued and no further 'official' support is available via this forum. It has been left to allow previous questions and answers to be viewed only.

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6/7/19

OPTI Toolbox Development Stopped

Dear OPTI Users, Unfortunately I can no longer support OPTI Toolbox with my current commitments in

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OPTI Toolbox Development Stopped

Dear OPTI Users, Unfortunately I can no longer support OPTI Toolbox with my current commitments in

6/7/19

Gilmar Schewtschik, … Jonathan3

6/7/19

SCIP Solver Update in MATLAB

Apologies, but I do not have time to update OPTI any more, and there will be no further updates to

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SCIP Solver Update in MATLAB

Apologies, but I do not have time to update OPTI any more, and there will be no further updates to

6/7/19

5/17/19

Error:The constraints must return a real, dense, double precision vector.

Hi, I run the large scale nonlinear problem with ipopt solver, but it didn't work, and returns

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Error:The constraints must return a real, dense, double precision vector.

Hi, I run the large scale nonlinear problem with ipopt solver, but it didn't work, and returns

5/17/19

5/10/19

how can share a same function to objective and constraint in OPTI

Hi I need to solve a large scale NLP optimization. So how can I use a same function calculate

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how can share a same function to objective and constraint in OPTI

Hi I need to solve a large scale NLP optimization. So how can I use a same function calculate

5/10/19

5/5/19

Dynamic System Parameter Estimation ODE(PDE) with measured data

To estimate the parameter of the pde dy=y+xdz Where z has an analytical function z(t), x is measured

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Dynamic System Parameter Estimation ODE(PDE) with measured data

To estimate the parameter of the pde dy=y+xdz Where z has an analytical function z(t), x is measured

5/5/19

Sujayandra V, … Jonathan Currie12

4/19/19

SCIP in MATLAB using OPTI ox

No, SCIP-SDP is not currently supported with OPTI. On Fri, Apr 19, 2019 at 12:00 AM <feynmanzxd@

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SCIP in MATLAB using OPTI ox

No, SCIP-SDP is not currently supported with OPTI. On Fri, Apr 19, 2019 at 12:00 AM <feynmanzxd@

4/19/19

刘昊戈, Jonathan Currie2

4/15/19

better way to define xtype?

You can use: https://inverseproblem.co.nz/OPTI/index.php/Probs/MILP#longint On Sun, Apr 14, 2019 at 1

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better way to define xtype?

You can use: https://inverseproblem.co.nz/OPTI/index.php/Probs/MILP#longint On Sun, Apr 14, 2019 at 1

4/15/19

ipa...@tamu.edu, sebasti...@gmail.com2

4/10/19

Hello, Did you already solve it for now? apparently, I encountered the same problem right now and

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Hello, Did you already solve it for now? apparently, I encountered the same problem right now and

4/10/19

sebasti...@gmail.com

4/10/19

cannot minimize negative number - Quadratic Constraint QP OPTI Solver - MATLAB

Currently, I am running Quadratic Constrained Quadratic Program using OPTI Solver the current code

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cannot minimize negative number - Quadratic Constraint QP OPTI Solver - MATLAB

Currently, I am running Quadratic Constrained Quadratic Program using OPTI Solver the current code

4/10/19

11073...@qq.com

4/10/19

Parallel version of IPOPT

Hello everyone, I saw "There are some solvers which are parallelized such as CSDP, and from OPTI

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Parallel version of IPOPT

Hello everyone, I saw "There are some solvers which are parallelized such as CSDP, and from OPTI

4/10/19

Paulin.Li, Bharath S3

4/3/19

a problem when installing the OPTI toolbox

Just like you said,it worked. thank you so much. best wishes. 在 2019年4月3日星期三 UTC+8下午10:08:57，Bharath

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a problem when installing the OPTI toolbox

Just like you said,it worked. thank you so much. best wishes. 在 2019年4月3日星期三 UTC+8下午10:08:57，Bharath

4/3/19

2avoca...@gmail.com

3/28/19

Porblem with x.inf_pr passing through to myCallBack function when applying 'iterfun'

Dear Jonathan I am using OPTI with IPOPT, and am applying 'iterfun' to optiset pointing to a

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Porblem with x.inf_pr passing through to myCallBack function when applying 'iterfun'

Dear Jonathan I am using OPTI with IPOPT, and am applying 'iterfun' to optiset pointing to a

3/28/19

3/19/19

SCIP warm start

Does anybody know if it is possible to initialize SCIP with an initial guess? If so, how can one do

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SCIP warm start

Does anybody know if it is possible to initialize SCIP with an initial guess? If so, how can one do

3/19/19

sage...@gmail.com

3/9/19

How to add constraints?

Hi all, These days I am working on Generalized Benders Decomposition, and the resulting primal

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How to add constraints?

Hi all, These days I am working on Generalized Benders Decomposition, and the resulting primal

3/9/19

Nathanael Kazmierczak, … Mark L. Stone5

2/24/19

Find all non-global minima on a surface

Following up on Jonathan's suggestion: As far as I know ,BARON does not have the ability to find

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Find all non-global minima on a surface

Following up on Jonathan's suggestion: As far as I know ,BARON does not have the ability to find

2/24/19

Jonathan Currie

2/5/19

Re: Linear constraints syntax in GNLP

Hi, and apologies for the delay in replying. Have a look at this page: https://inverseproblem.co.nz/

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Re: Linear constraints syntax in GNLP

Hi, and apologies for the delay in replying. Have a look at this page: https://inverseproblem.co.nz/

2/5/19

1/7/19

Initializing Lower Bound

I am using YALMIP + OPTI to interface with the SCIP toolbox for solving some non-convex QCQP's to

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Initializing Lower Bound

I am using YALMIP + OPTI to interface with the SCIP toolbox for solving some non-convex QCQP's to

1/7/19

Stefan ten Eikelder, Jonathan Currie3

12/12/18

IPOPT termination criteria ignored

Hi Jonathan, Thank you for your reply! Do I understand correctly that if I specify both tolrfun and

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IPOPT termination criteria ignored

Hi Jonathan, Thank you for your reply! Do I understand correctly that if I specify both tolrfun and

12/12/18

Jonathan Currie, LeonelLizama2

12/8/18

Re: [exitflag meaning]

Hi, thanks for the help i've already solve the problem!! neverthless i still don't know what

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Re: [exitflag meaning]

Hi, thanks for the help i've already solve the problem!! neverthless i still don't know what

12/8/18

Abdulmuqeet Khawaja2

12/6/18

Undefined function or variable 'opti'.

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Undefined function or variable 'opti'.

12/6/18

Hany Ferdinando, Jonathan Currie2

12/5/18

fitting curve with constrained parameter estimation

Hi, For a 15 variable constrained NLS fitting problem, especially one calling statistical functions,

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fitting curve with constrained parameter estimation

Hi, For a 15 variable constrained NLS fitting problem, especially one calling statistical functions,

12/5/18

Walton P. Coutinho, Jonathan Currie4

12/4/18

Error using NLOPT and the AMPL interface

Hi, I can only guess that your chosen NLOPT algorithm (GN_ISRES) does not like infinite bounds, as

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Error using NLOPT and the AMPL interface

Hi, I can only guess that your chosen NLOPT algorithm (GN_ISRES) does not like infinite bounds, as

12/4/18

Sarmad Munir, … Jonathan Currie7

12/3/18

Error using CLP in MATLAB: Maximum iterations or time limit exceeded (CLP)

No, I would just do what is done above, and manually tag on the common options (maxiter, maxtime, etc

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Error using CLP in MATLAB: Maximum iterations or time limit exceeded (CLP)

No, I would just do what is done above, and manually tag on the common options (maxiter, maxtime, etc

12/3/18

Weiming Zhao, Jonathan Currie2

11/24/18

NOLPT solver error of building problem

Hi, very sorry for the very late reply. Can you please post a code example so I can try debug? Thanks

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NOLPT solver error of building problem

Hi, very sorry for the very late reply. Can you please post a code example so I can try debug? Thanks

11/24/18

Toit Mouton, Jonathan Currie2

11/23/18

Symbuilder with multiple initial points

Hi Toit, apologies for the delay. This was quite an oversight from the original design, so thank you

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Symbuilder with multiple initial points

Hi Toit, apologies for the delay. This was quite an oversight from the original design, so thank you

11/23/18

11/14/18

Paper für global optimality on MIQP with SCIP

Hello, I solved a convex MIQP with SICP solver. I think the solution is global because of the

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Paper für global optimality on MIQP with SCIP

Hello, I solved a convex MIQP with SICP solver. I think the solution is global because of the

11/14/18

con...@gmail.com, jingy...@gmail.com2

10/31/18

Optitoolbox on a mac

Also want to know the answer... On Saturday, October 20, 2018 at 5:53:17 AM UTC-5, con...@gmail.com

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Optitoolbox on a mac

Also want to know the answer... On Saturday, October 20, 2018 at 5:53:17 AM UTC-5, con...@gmail.com

10/31/18

Luciana Renata de Oliveira, Jonathan Currie2

10/30/18

What version of MATLAB do you have? On Tue, 30 Oct 2018, 21:09 Luciana Renata de Oliveira, <

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What version of MATLAB do you have? On Tue, 30 Oct 2018, 21:09 Luciana Renata de Oliveira, <

10/30/18

JC, Jonathan Currie3

10/22/18

[SCIP+AMPL] Correspondence between decision variable names and values?

The .sol (solution) file generated also does not contain the decision variables names, only their

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[SCIP+AMPL] Correspondence between decision variable names and values?

The .sol (solution) file generated also does not contain the decision variables names, only their

10/22/18

10/8/18

opti_install can't find pre-requisites

uninstalled Matlab and re-installed same version. opti_install now works!

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opti_install can't find pre-requisites

uninstalled Matlab and re-installed same version. opti_install now works!

10/8/18

9/30/18

Relative gap for NOMAD in OPTI solver

How can we know the relative gap in NOMAD solver using OPTI. whereas for BONMIN the relative gap is

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Relative gap for NOMAD in OPTI solver

How can we know the relative gap in NOMAD solver using OPTI. whereas for BONMIN the relative gap is

9/30/18

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