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MINUIT, now MINUIT2, is a numerical minimization software library originally written in the FORTRAN programming language by CERN staff physicist Fred James in the 1970s. It provides several minimization algorithms that search for parameter values that minimize a user-defined function. In addition to that it can compute confidence intervals for the parameters by scanning the function around the minimum.

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  • MINUIT (it)
  • MINUIT (en)
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  • MINUIT, now MINUIT2, is a numerical minimization software library originally written in the FORTRAN programming language by CERN staff physicist Fred James in the 1970s. It provides several minimization algorithms that search for parameter values that minimize a user-defined function. In addition to that it can compute confidence intervals for the parameters by scanning the function around the minimum. (en)
  • MINUIT - Function Minimization and Error Analysis è un insieme di librerie scritte per essere usate in programmi di analisi dati. Originariamente il software fu scritto in FORTRAN77, ma attualmente esiste una sua versione in C++. Il software è largamente diffuso negli ambienti di ricerca affini al CERN di Ginevra, nell'ambito di attività di fisica nucleare e subnucleare. (it)
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  • MINUIT, now MINUIT2, is a numerical minimization software library originally written in the FORTRAN programming language by CERN staff physicist Fred James in the 1970s. It provides several minimization algorithms that search for parameter values that minimize a user-defined function. In addition to that it can compute confidence intervals for the parameters by scanning the function around the minimum. Five minimization algorithms are available. The recommended default algorithm MIGRAD is described as "a variable-metric method with inexact line search, a stable metric updating scheme, and checks for positive-definiteness". The original FORTRAN code was later ported to C++ by the ROOT project; both the FORTRAN and C++ versions are in use as of 2009. The program is very widely used in particle physics, and thousands of published papers cite use of MINUIT. In the early 2000s, Fred James started a project to implement MINUIT in C++ using object-oriented programming. The new MINUIT is an optional package (minuit2) in the ROOT release. As of October 2014 the latest version is 5.34.14, released on 24 January 2014. A Java port was developed, and a Python frontend to the C++ code is available. (en)
  • MINUIT - Function Minimization and Error Analysis è un insieme di librerie scritte per essere usate in programmi di analisi dati. Originariamente il software fu scritto in FORTRAN77, ma attualmente esiste una sua versione in C++. Minuit è concepito come un tool per la ricerca di minimi di funzioni a più parametri e per analizzare la forma di una funzione nell'intorno di un suo minimo. È principalmente adatto per l'analisi statistica di dati. Lavora usando il metodo del chi quadro o della massima verosimiglianza al fine di ottimizzare i valori dei parametri di un fit di dati, le loro incertezze ed eventualmente la correlazione tra i parametri stessi. Il software è largamente diffuso negli ambienti di ricerca affini al CERN di Ginevra, nell'ambito di attività di fisica nucleare e subnucleare. (it)
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