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Alston Scott Householder (* 5. Mai 1904 in … Alston Scott Householder (* 5. Mai 1904 in Rockford (Illinois); † 4. Juli 1993, Malibu (Kalifornien)) war ein US-amerikanischer Mathematiker, der Pionierarbeit in der numerischen linearen Algebra geleistet hat. Er führte 1958 die nach ihm benannte Householdertransformation als Mittel zur numerischen Lösung linearer Gleichungssysteme ein. Householder trug viel zur systematischen Ordnung des damals chaotischen und unübersichtlichen Gebiets der Numerik, insbesondere der numerischen linearen Algebra, bei. Ferner propagierte er die systematische Verwendung von Normen in der linearen Algebra.endung von Normen in der linearen Algebra.
, Alston Scott Householder (Rockford, 5 maggio 1904 – Malibù, 4 luglio 1993) è stato un matematico statunitense, dedicatosi soprattutto alla biologia matematica e all'analisi numerica.
, Alston Scott Householder (5. května 1904, Illinois, USA – 4. července 1993, Kalifornie, USA) byl americký matematik a biolog, který se zabýval numerickou matematikou a výzkumem v oblasti aplikací matematiky v biologii. A. S. Householder je objevitelem a .
, Alston Scott Householder, né le 5 mai 1904, à Rockford dans l’Illinois et mort le 4 juillet 1993, est un mathématicien américain spécialiste de biomathématique et d’analyse numérique.
, Alston Scott Householder (n. Rockford, Illinois, Estados Unidos; 5 de mayo de 1904 - f. Malibu, California, Estados Unidos; 4 de julio de 1993) fue un matemático estadounidense.
, Alston Scott Householder (Rockford, Illino … Alston Scott Householder (Rockford, Illinois, 5 de maio de 1904 — Malibu, Califórnia, 4 de julho de 1993) foi um matemático estadunidense. Especialista em biologia matemática e análise numérica, inventor da transformação de Householder e do . Casou com Belle Householder e depois em 1984 com Heidi Householder, nascida Vogg. Householder passou sua juventude em Alabama; obteve um BA em filosofia em 1925 na Universidade Northwestern em Evanston, Illinois, e um MA, também em filosofia, na Universidade Cornell em 1927. Lecionou matemática enquanto estava se preparando para o PhD, que obteve na Universidade de Chicago em 1937, com uma tese sobre cálculo de variações. Após o doutorado Householder concentrou-se no campo da on the field of biologia matemática, trabalhando com diversos outros pesquisadores juntamente com na Universidade de Chicago. In 1946 foi para a Divisão de Matemática do Laboratório Nacional de Oak Ridge (ORNL), onde foi indicado catedrático em 1948; é durante este período que seu interesse muda para a Análise numérica. Em 1969 deixou o ORNL para tornar-se Professor de Matemática da Universidade do Tennessee. Aposentou-se em 1974 e foi viver em Malibu, Califórnia. Householder contribuiu de diversas formas para a organização da pesquisa. Foi presidente da Society for Industrial and Applied Mathematics (SIAM) e da Association for Computing Machinery (ACM). Foi membro do comitê redatorial dos periódicos Psychometrika, , , e foi editor-chefe do periódico SIAM Journal on Numerical Analysis. Organizou as Gatlinburg Conferences, atualmente denominado Householder Symposia.tualmente denominado Householder Symposia.
, 알스톤 스콧 하우스홀더(Alston Scott Householder)는 수리생물학 및 수치 해석, 하우스홀더 변환(Householder transformation)의 발명 및 하우스홀더 메소드로 유명한 미국의 철학자, 수학자였다.
, Alston Scott Householder (5 May 1904 – 4 July 1993) was an American mathematician who specialized in mathematical biology and numerical analysis. He is the inventor of the Householder transformation and of Householder's method.
, Alston Householder (Rockford, 5 de maig de … Alston Householder (Rockford, 5 de maig de 1904 - Malibu, 4 de juliol de 1993) va ser un matemàtic estatunidenc. Householder va passar la seva infantesa a Alabama on s'havia traslladat la família poc després del seu naixement. Va tornar a Illinois per cabaar els estudis secundaris i ingressar a la universitat Northwestern en la qual es va graduar en filosofia el 1925. A continuació va fer el màster en filosofia a la universitat Cornell (1927). Els deu anys següents, mentre feia de professor a diferents escoles, va estar preparant la tesi doctoral que va defensar a la universitat de Chicago el 1937, aquesta vegada ja de matemàtiques, i dirigida per Gilbert Bliss. A continuació es va quedar a la universitat de Chicago on va formar part del Comité de Biologia Matemàtica, dirigit per Nicolas Rashevsky i que, aleshores, era un camp poc desenvolupat, i en el que va fer importants aportacions. Va deixar el Comité el 1944 per unir-se a l'esforç de guerra i el 1946 va ser contractat pel Laboratori Nacional d'Oak Ridge on va canviar l'orientació del seu treball de recerca per enfocar-se cap a l'anàlisi numèrica. En retirar-se el 1969 del Laboratori, va ser professor durant uns anys a la universitat de Tennessee a Knoxville, fins que el 1974 es va retirar a viure a Malibu on va morir el 1993. El 1951, Householder va formalitzar el concepte de "descomposició" per als còmputs matricials. També se li deu a ell el mètode de Householder, basat en la transformació de Householder i les matrius de Hpuseholder, que son a la base de l'algorisme QR. El 1953 va participar en la construcció de la computadora ORACLE (Oak Ridge Automatic Computer and Logic Engine), que, en aquell moment, va ser la més potent del món.uell moment, va ser la més potent del món.
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Alston Householder (Rockford, 5 de maig de … Alston Householder (Rockford, 5 de maig de 1904 - Malibu, 4 de juliol de 1993) va ser un matemàtic estatunidenc. Householder va passar la seva infantesa a Alabama on s'havia traslladat la família poc després del seu naixement. Va tornar a Illinois per cabaar els estudis secundaris i ingressar a la universitat Northwestern en la qual es va graduar en filosofia el 1925. A continuació va fer el màster en filosofia a la universitat Cornell (1927). Els deu anys següents, mentre feia de professor a diferents escoles, va estar preparant la tesi doctoral que va defensar a la universitat de Chicago el 1937, aquesta vegada ja de matemàtiques, i dirigida per Gilbert Bliss. A continuació es va quedar a la universitat de Chicago on va formar part del Comité de Biologia Matemàtica, dirigit per Nicolas RBiologia Matemàtica, dirigit per Nicolas R
, Alston Scott Householder (n. Rockford, Illinois, Estados Unidos; 5 de mayo de 1904 - f. Malibu, California, Estados Unidos; 4 de julio de 1993) fue un matemático estadounidense.
, Alston Scott Householder (* 5. Mai 1904 in … Alston Scott Householder (* 5. Mai 1904 in Rockford (Illinois); † 4. Juli 1993, Malibu (Kalifornien)) war ein US-amerikanischer Mathematiker, der Pionierarbeit in der numerischen linearen Algebra geleistet hat. Er führte 1958 die nach ihm benannte Householdertransformation als Mittel zur numerischen Lösung linearer Gleichungssysteme ein. Householder trug viel zur systematischen Ordnung des damals chaotischen und unübersichtlichen Gebiets der Numerik, insbesondere der numerischen linearen Algebra, bei. Ferner propagierte er die systematische Verwendung von Normen in der linearen Algebra.endung von Normen in der linearen Algebra.
, 알스톤 스콧 하우스홀더(Alston Scott Householder)는 수리생물학 및 수치 해석, 하우스홀더 변환(Householder transformation)의 발명 및 하우스홀더 메소드로 유명한 미국의 철학자, 수학자였다.
, Alston Scott Householder (5. května 1904, Illinois, USA – 4. července 1993, Kalifornie, USA) byl americký matematik a biolog, který se zabýval numerickou matematikou a výzkumem v oblasti aplikací matematiky v biologii. A. S. Householder je objevitelem a .
, Alston Scott Householder (5 May 1904 – 4 July 1993) was an American mathematician who specialized in mathematical biology and numerical analysis. He is the inventor of the Householder transformation and of Householder's method.
, Alston Scott Householder (Rockford, Illino … Alston Scott Householder (Rockford, Illinois, 5 de maio de 1904 — Malibu, Califórnia, 4 de julho de 1993) foi um matemático estadunidense. Especialista em biologia matemática e análise numérica, inventor da transformação de Householder e do . Casou com Belle Householder e depois em 1984 com Heidi Householder, nascida Vogg. Após o doutorado Householder concentrou-se no campo da on the field of biologia matemática, trabalhando com diversos outros pesquisadores juntamente com na Universidade de Chicago.juntamente com na Universidade de Chicago.
, Alston Scott Householder (Rockford, 5 maggio 1904 – Malibù, 4 luglio 1993) è stato un matematico statunitense, dedicatosi soprattutto alla biologia matematica e all'analisi numerica.
, Alston Scott Householder, né le 5 mai 1904, à Rockford dans l’Illinois et mort le 4 juillet 1993, est un mathématicien américain spécialiste de biomathématique et d’analyse numérique.
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Alston Scott Householder
, Alston Householder
, 알스톤 스콧 하우스홀더
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