qsim | Feynman simulators for quantum circuits

 by   quantumlib C++ Version: v0.16.3 License: Apache-2.0

kandi X-RAY | qsim Summary

kandi X-RAY | qsim Summary

qsim is a C++ library typically used in Quantum Computing applications. qsim has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Quantum circuit simulators qsim and qsimh. These simulators were used for cross entropy benchmarking in [1]. [1], F. Arute et al, "Quantum Supremacy Using a Programmable Superconducting Processor", Nature 574, 505, (2019).
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              qsim has a low active ecosystem.
              It has 345 star(s) with 119 fork(s). There are 23 watchers for this library.
              There were 4 major release(s) in the last 12 months.
              There are 43 open issues and 125 have been closed. On average issues are closed in 32 days. There are 3 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of qsim is v0.16.3

            kandi-Quality Quality

              qsim has 0 bugs and 0 code smells.

            kandi-Security Security

              qsim has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              qsim code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              qsim is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              qsim releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.
              It has 3146 lines of code, 126 functions and 16 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

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            qsim Key Features

            No Key Features are available at this moment for qsim.

            qsim Examples and Code Snippets

            No Code Snippets are available at this moment for qsim.

            Community Discussions

            QUESTION

            How to optimize model parameters using sceua method in rtop package, R language
            Asked 2021-May-12 at 07:11

            I am a student interested in hydrology and runoff-simulation. I am using topmodel package in R with huagrahuma dataset, and I want to optimize its parameters by using sceua method in rtop package. I wrote a code, using the example in "rtop package | R Documentation" as a reference. However, I got an error when optimizing the parameters. It says "error in if (sum(mapply(FUN = function(x, y, z) max(y - x, x - z, 0), : missing value where TRUE/FALSE needed". At first, I suspected the error was triggered by NA values which Qobs has. So I converted NA to numerical values but the same error has occurred again. How can I optimize the parameters by SCE-UA method?

            Links
            topmodel function | R Documentation
            https://www.rdocumentation.org/packages/topmodel/versions/0.7.3/topics/topmodel
            Tutorial on the use of topmodel in R
            https://paramo.cc.ic.ac.uk/topmodel_tutorial
            topmodel: Implementation of the Hydrological Model TOPMODEL in R
            https://cran.r-project.org/web/packages/topmodel/index.html
            rtop package | R Documentation
            https://www.rdocumentation.org/packages/rtop/versions/0.5-14
            rtop: Interpolation of Data with Variable Spatial Support
            https://cran.r-project.org/web/packages/rtop/index.html

            ...

            ANSWER

            Answered 2021-Feb-01 at 15:33

            I found another package that also has sceua optimization function, named "hydromad". By using this, I was able to optimize TOPMODEL parameters. Here is the code when optimizing topmodel function from topmodel package with huagrahuma dataset.

            hydromad | Hydrological Model Assessment and Development
            http://hydromad.catchment.org/#SCEoptim

            Source https://stackoverflow.com/questions/65979559

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install qsim

            You can download it from GitHub.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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