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John Charles Butcher (born 31 March 1933) is a New Zealand mathematician who specialises in numerical methods for the solution of ordinary differential equations.〔 . 〕 Butcher works on multistage methods for initial value problems, such as Runge-Kutta and general linear methods. The Butcher group and the Butcher tableau are named after him. More recently, he is investigating a new type of method with stability identical to that of a Runge-Kutta method. ==Positions held== * Lecturer, University of Sydney, 1959–1961. * Senior Lecturer, University of Canterbury, 1961–1964. * Computer Scientist, Stanford Linear Accelerator Center, 1965–1966.〔http://www.jucs.org/jucs_articles_by_author/Butcher_John_C_/BusinessCard〕 * Professor of Mathematics, University of Auckland, 1966–1979. * Head of Mathematics Department, University of Auckland, 1967–1973. * Founded Department of Computer Science, University of Auckland, 1980. * Professor of Computer Science, University of Auckland, 1980–1988. * Head of Applied and Computational Mathematics Unit, University of Auckland, 1989–1994, 1997–1998. * Professor of Mathematics, University of Auckland, 1989–1998. * Emeritus Professor, University of Auckland, 1999–present. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「John C. Butcher」の詳細全文を読む スポンサード リンク
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