Eldon Robert Hansen (born 1927) is an American mathematician and author who has published in global optimization theory and

interval arithmetic Interval arithmetic (also known as interval mathematics; interval analysis or interval computation) is a mathematical technique used to mitigate rounding and measurement errors in mathematical computation by computing function bounds. Numeri ...

. Hansen was born on July 16, 1927 in

Rochester, Washington Rochester () is a census-designated place (CDP) in Thurston County, Washington, United States. It was founded in 1852, and the 2020 census recorded its population at 6,064. According to the United States Census Bureau, the CDP has a total are ...

. After receiving bachelor's and master's degrees at the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

in 1950 and 1952, and working at the

University of California Radiation Laboratory Lawrence Berkeley National Laboratory (LBNL, Berkeley Lab) is a federally funded research and development center in the hills of Berkeley, California, United States. Established in 1931 by the University of California (UC), the laboratory is spo ...

from 1952 until 1956,Author biography from he received his Ph.D. in mathematics from

Stanford University Leland Stanford Junior University, commonly referred to as Stanford University, is a Private university, private research university in Stanford, California, United States. It was founded in 1885 by railroad magnate Leland Stanford (the eighth ...

in 1960 with a dissertation on

Jacobi method In numerical linear algebra, the Jacobi method (a.k.a. the Jacobi iteration method) is an iterative algorithm for determining the solutions of a strictly diagonally dominant system of linear equations. Each diagonal element is solved for, and ...

s and Block-Jacobi methods for computing matrix eigenvalues, supervised by

George Forsythe George Elmer Forsythe (January 8, 1917 – April 9, 1972) was an American computer scientist and numerical analyst who founded and led Stanford University's Computer Science Department. Forsythe came to Stanford in the Mathematics Department i ...

. He worked for the

Lockheed Missiles and Space Company Lockheed Missiles and Space Company (LMSC) was a unit of the Lockheed Corporation "Missiles, Space, and Electronics Systems Group." LMSC was started by Willis Hawkins who served as its president. After Lockheed merged with Martin-Marietta the ...

beginning in 1956. He later held a position at

Washington State University Washington State University (WSU, or colloquially Wazzu) is a Public university, public Land-grant university, land-grant research university in Pullman, Washington, United States. Founded in 1890, WSU is also one of the oldest Land-grant uni ...

, and supervised a doctoral student there. His books include: *''Global Optimization Using Interval Analysis'' (Marcel Dekker, 1992; 2nd ed. with William G. Walster, 2004) *''A Table of Series and Products'' (Prentice-Hall, 1975) *''Topics in Interval Analysis'' (edited, Clarendon Press, 1969)Review of ''Topics in Interval Analysis'': D. Kershaw, ''Proceedings of the Edinburgh Mathematical Society'',

References

{{DEFAULTSORT:Hansen, Eldon Year of birth missing (living people) Living people 20th-century American mathematicians