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SNOPT

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Welcome to the Google group for the nonlinear optimization software SNOPT and other related optimization packages DNOPT, SQOPT, and SQIC.

Software descriptions, and info on installation and interfaces are available at: Optimization software website

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Oct 19

Unable to use SNOPT in PSOPT (MINGW64)

Hi, I need to use the snopt interface in psopt (compiled in MSYS2's MINGW64). I have got an

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Unable to use SNOPT in PSOPT (MINGW64)

Hi, I need to use the snopt interface in psopt (compiled in MSYS2's MINGW64). I have got an

Oct 19

Dec M, 贺文凯2

Oct 16

Not sure how to get/compile snopt7_cpp.dll

Ditto. 在2023年10月25日星期三 UTC+8 21:04:16<Dec M> 写道： Hi there, I am using an evaluation version of

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Not sure how to get/compile snopt7_cpp.dll

Ditto. 在2023年10月25日星期三 UTC+8 21:04:16<Dec M> 写道： Hi there, I am using an evaluation version of

Oct 16

Jul 14

pyOptSparse Installation

Hi, I'm trying to use the precompiled SNOPT libraries with pyOptSparse. I have added the

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pyOptSparse Installation

Hi, I'm trying to use the precompiled SNOPT libraries with pyOptSparse. I have added the

Jul 14

Pierce J, … Blake Thomas Grantham3

Jul 1

Using SNOPT with Evolutionary Mission Trajectory Generator (EMTG)

Hello Pierce, I am going through the same struggle of implementing those specific SNOPT files into

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Using SNOPT with Evolutionary Mission Trajectory Generator (EMTG)

Hello Pierce, I am going through the same struggle of implementing those specific SNOPT files into

Jul 1

Jun 8

missing snopt_wrapper.f90 in download

Hello, I am using snopt for cpp application. I could download the package "Fortran/C/C++

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missing snopt_wrapper.f90 in download

Hello, I am using snopt for cpp application. I could download the package "Fortran/C/C++

Jun 8

Chris Mower, Louis Fernandez2

Apr 28

Silence terminal output

Hi Chris, I am also looking to suppress the startup banner. Did you find a solution for this? Kind

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Silence terminal output

Hi Chris, I am also looking to suppress the startup banner. Did you find a solution for this? Kind

Apr 28

Samuel Thomas Joseph, Philip E. Gill2

Jan 28

The license file was sent as an attachment to the email giving the download link. On 1/27/25 6:33 PM,

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The license file was sent as an attachment to the email giving the download link. On 1/27/25 6:33 PM,

Jan 28

Tarek Elgohary, Nicolò Pollini3

Jan 9

Problems with MATLAB Precompiled libraries on M1 macos and matlab 2023b

Any update on this? On Monday, July 22, 2024 at 9:51:21 AM UTC+3 Nicolò Pollini wrote: I have the

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Problems with MATLAB Precompiled libraries on M1 macos and matlab 2023b

Any update on this? On Monday, July 22, 2024 at 9:51:21 AM UTC+3 Nicolò Pollini wrote: I have the

Jan 9

Nicolò Pollini

Jan 9

Using SNOPT in Julia

Hi All! I have been trying to set up the optimization package SNOPT in Julia. I tried with SNOW.jl,

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Using SNOPT in Julia

Hi All! I have been trying to set up the optimization package SNOPT in Julia. I tried with SNOW.jl,

Jan 9

Ruturaj Sambhus

9/14/24

SNOPT Integration in CasADi and SWIG Build Process

Hello, I am currently working on integrating SNOPT with CasADi and MATLAB for my project, but I have

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SNOPT Integration in CasADi and SWIG Build Process

Hello, I am currently working on integrating SNOPT with CasADi and MATLAB for my project, but I have

9/14/24

Joshua Fontana, Michael Saunders4

6/25/24

SNOPT EXIT 40, INFO 41: termination due to numerical difficulties, current point could not be improved

Hi Michael, I set the Function Precision to 1e-5, since the drag value from the CFD is supposed to be

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SNOPT EXIT 40, INFO 41: termination due to numerical difficulties, current point could not be improved

Hi Michael, I set the Function Precision to 1e-5, since the drag value from the CFD is supposed to be

6/25/24

chunan...@gmail.com, … Luke Hunsberger11

5/21/24

Error using snoptmex

hi, how would you do this in mac os? i am having the same issue? thanks, luke On Wednesday, June 6,

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Error using snoptmex

hi, how would you do this in mac os? i am having the same issue? thanks, luke On Wednesday, June 6,

5/21/24

4/22/24

SNOPT in Visual Studio : Unresolved External Symbols Error

Hello, Our department previously purchased SNOPT 7.7, and I currently have access to the SNOPT source

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SNOPT in Visual Studio : Unresolved External Symbols Error

Hello, Our department previously purchased SNOPT 7.7, and I currently have access to the SNOPT source

4/22/24

4/5/24

Feasibility Tolerance Allow Violation of Design Variable Bounds?

Hi, I have an SNOPT optimization in which I am seeing one of the design variable bounds being

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Feasibility Tolerance Allow Violation of Design Variable Bounds?

Hi, I have an SNOPT optimization in which I am seeing one of the design variable bounds being

4/5/24

Joshua Fontana, Michael Saunders3

3/4/24

Is there any way to do a proper restart?

Hi Michael, Ok, understood. Thanks for the information. Josh On Monday, March 4, 2024 at 11:55:10 AM

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Is there any way to do a proper restart?

Hi Michael, Ok, understood. Thanks for the information. Josh On Monday, March 4, 2024 at 11:55:10 AM

3/4/24

Elena Fernández Bravo, … Elena Fernández3

2/22/24

Install on Windows

No, unfortunately I was not able to install it. -Elena El martes, 9 de enero de 2024 a las 9:45:32

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Install on Windows

No, unfortunately I was not able to install it. -Elena El martes, 9 de enero de 2024 a las 9:45:32

2/22/24

2/19/24

Unable to optimize on Matlab

Hello, I am using the Matlab version of SNOPT and am having an issue in which the program doesn't

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Unable to optimize on Matlab

Hello, I am using the Matlab version of SNOPT and am having an issue in which the program doesn't

2/19/24

1/19/24

SNOPT7.7 for personal University workstation and university high performance computing cluster

I am in the process of finalizing a purchase of the license for SNOPT7.7. I have a question: what

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SNOPT7.7 for personal University workstation and university high performance computing cluster

I am in the process of finalizing a purchase of the license for SNOPT7.7. I have a question: what

1/19/24

Jared Thomas, Nicolò Pollini5

12/27/23

Compiling SNOPT 7.7 on macOS with M1 chip

Glad you got it working. Sounds like you did the same thing I did. Jared On Tue, Dec 26, 2023, 7:55

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Compiling SNOPT 7.7 on macOS with M1 chip

Glad you got it working. Sounds like you did the same thing I did. Jared On Tue, Dec 26, 2023, 7:55

12/27/23

Rebecca Jiang, Nicolò Pollini2

12/26/23

libgfortran.so.4 error with SNOPT in MATLAB on Ubuntu 22.04

Same problem for me! ...snopt7/matlab/snoptmex.mexa64': libgfortran.so.4: cannot open shared

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libgfortran.so.4 error with SNOPT in MATLAB on Ubuntu 22.04

Same problem for me! ...snopt7/matlab/snoptmex.mexa64': libgfortran.so.4: cannot open shared

12/26/23

12/9/23

Trouble Linking SNOPT to EMTG

Hello, I have run into some issues linking SNOPT to EMTG, an orbital simulator in C with a Python

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Trouble Linking SNOPT to EMTG

Hello, I have run into some issues linking SNOPT to EMTG, an orbital simulator in C with a Python

12/9/23

Joshua Fontana, Ömer Toktaş7

10/31/23

Design Variables changing very little after going infeasible

Josh, Thank you such a good explanation! Regards, Omer On Tuesday, October 31, 2023 at 8:05:09 PM UTC

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Design Variables changing very little after going infeasible

Josh, Thank you such a good explanation! Regards, Omer On Tuesday, October 31, 2023 at 8:05:09 PM UTC

10/31/23

10/22/23

Obtaining intermediate iteration's design variables

Hello, I am using SNOPT in MATLAB. I want to see each design variable for each major iteration.

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Obtaining intermediate iteration's design variables

Hello, I am using SNOPT in MATLAB. I want to see each design variable for each major iteration.

10/22/23

Fabrizio Sergi, … Blake Hannah4

10/11/23

Error setting up SNOPT on Matlab R2019a on Mac OSX

Hi, I am really hoping someone found a solution to this. Let me know if you did. Thank you, Blake On

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Error setting up SNOPT on Matlab R2019a on Mac OSX

Hi, I am really hoping someone found a solution to this. Let me know if you did. Thank you, Blake On

10/11/23

Ali Zamani, … Alessandro Zavoli7

5/12/23

SNOPT- Printing problem in Windows

I confirm this behavior on Windows R2023a. The command-window output is plot all together at the end

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SNOPT- Printing problem in Windows

I confirm this behavior on Windows R2023a. The command-window output is plot all together at the end

5/12/23

bao hanqiu, SNOPT3

4/27/23

how to install snopt in python

Thanks a lot! 在2023年4月27日星期四 UTC+8 00:37:53<SNOPT> 写道： You need to install blas libraries on

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how to install snopt in python

Thanks a lot! 在2023年4月27日星期四 UTC+8 00:37:53<SNOPT> 写道： You need to install blas libraries on

4/27/23

4/27/23

some error of snopt in matlab

when i run the code: Npexamples I get 'userfun' must be a string. 出错 snJac (line 7) [A,iAfun,

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some error of snopt in matlab

when i run the code: Npexamples I get 'userfun' must be a string. 出错 snJac (line 7) [A,iAfun,

4/27/23

Alessandro Zavoli, Philip E. Gill2

4/21/23

Management of academic department licence

Hi Alessandro, Academic department licenses for SNOPT are handled by SBSI: http://www.sbsi-sol-

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Management of academic department licence

Hi Alessandro, Academic department licenses for SNOPT are handled by SBSI: http://www.sbsi-sol-

4/21/23

Ashwin Khadke, SNOPT3

4/11/23

I am currently running with verify_level 3 and the output file attached is generated with this option

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I am currently running with verify_level 3 and the output file attached is generated with this option

4/11/23

3/24/23

SNOPT .out file Outputs!!

Hello ! I am Omer. I am very new to SNOPT! I would like to see my user function evaluations for each

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SNOPT .out file Outputs!!

Hello ! I am Omer. I am very new to SNOPT! I would like to see my user function evaluations for each

3/24/23

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