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Gaussian, Inc. disputes the accuracy of these descriptions of its policy and actions, [16] noting that all of the listed institutions do in fact have licenses for everyone but directly competing researchers. They also claim that not licensing competitors is standard practice in the software industry and members of the Gaussian collaboration ...
Boys is best known for the introduction of Gaussian orbitals into ab initio quantum chemistry. [ 8 ] [ 9 ] Almost all basis sets used in computational chemistry now employ these orbitals. [ 10 ] Frank Boys was also one of the first scientists to use digital computers for calculations on polyatomic molecules.
The Gaussian function has a 1/e 2 diameter (2w as used in the text) about 1.7 times the FWHM.. At a position z along the beam (measured from the focus), the spot size parameter w is given by a hyperbolic relation: [1] = + (), where [1] = is called the Rayleigh range as further discussed below, and is the refractive index of the medium.
This is a comparison of statistical analysis software that allows doing inference with Gaussian processes often using approximations.. This article is written from the point of view of Bayesian statistics, which may use a terminology different from the one commonly used in kriging.
The EM algorithm consists of two steps: the E-step and the M-step. Firstly, the model parameters and the () can be randomly initialized. In the E-step, the algorithm tries to guess the value of () based on the parameters, while in the M-step, the algorithm updates the value of the model parameters based on the guess of () of the E-step.
The Huffington Post has updated Hospice Check to reflect current inspection data. Since we first published this map in June, the number of hospices that haven’t been inspected in more than six years fell below 400, from 759.
OpenChrom is an open source software for the analysis and visualization of mass spectrometric and chromatographic data. [4] Its focus is to handle native data files from several mass spectrometry systems (e.g. GC/MS, LC/MS, Py-GC/MS, HPLC-MS), vendors like Agilent Technologies, Varian, Shimadzu, Thermo Fisher, PerkinElmer and others.
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