This is the Linux app named RElt to run in Linux online whose latest release can be downloaded as relt-1.0.tar.gz. It can be run online in the free hosting provider OnWorks for workstations.
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RElt to run in Linux online
DESCRIPTION
The efficient algorithm calculating the overlap and the kinetic integrals for the numerical atomic orbitals is implemented. The described algorithm exploits the properties of the prolate spheroidal coordinates. The overlap and the kinetic integrals in R^3 are reduced to the integrals over the rectangular domain in R^2, what substantially reduces the complexity of the problem. We prove that the integrand over the rectangular domain is continuous and does not have any slope singularities. For calculation of the integral over the rectangle any adaptive algorithm can be applied. The exemplary results were obtained by application of the adaptive Gauss quadrature.The implemented algorithm is described in my paper: "Numerical calculation of overlap and kinetic integrals in prolate spheroidal coordinates", International Journal of Quantum Chemistry, Volume 108, Issue 2, Year 2008, Pages 249–256
http://onlinelibrary.wiley.com/doi/10.1002/qua.21485/full
Features
- Quantum chemistry
- Numerical methods
- Adaptive, numerical integration
- Overlap integral
- Kinetic integral
- C++
Audience
Science/Research, Advanced End Users, Developers
User interface
Console/Terminal, Command-line
Programming Language
C++
This is an application that can also be fetched from https://sourceforge.net/projects/relt/. It has been hosted in OnWorks in order to be run online in an easiest way from one of our free Operative Systems.
