tridiagonalization
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Householder transformation — In mathematics, a Householder transformation in 3 dimensional space is the reflection of a vector in a plane. In general Euclidean space it is a linear transformation that describes a reflection in a hyperplane (containing the origin).The… … Wikipedia
Norman E. Gibbs — (November 27, 1941 April 25, 2002) was an American software engineer, scholar and educational leader. He studied to a B.Sc. in mathematics at Ursinus College (1964) and M.Sc. (1966) and Ph.D. (1969) in Computer Science at Purdue University,… … Wikipedia