Willoughby, Ralph A.
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1

A $QL$ Procedure for Computing the Eigenvalues of Complex S..:

Cullum, Jane K. ; Willoughby, Ralph A.
SIAM Journal on Matrix Analysis and Applications.  17 (1996)  1 - p. 83-109 , 1996
 
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2

A generalized nonsymmetric Lanczos procedure:

Cullum, Jane ; Kerner, Wolfgang ; Willoughby, Ralph
Computer Physics Communications.  53 (1989)  1-3 - p. 19-48 , 1989
 
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3

Large scale eigenvalue problems 

proceedings of the IBM Europe Institute Workshop on Large S...  North-Holland mathematics studies ; 127
 
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4

A survey of Lanczos procedures for very large real 'symmetr..:

Cullum, Jane ; Willoughby, Ralph A.
Journal of Computational and Applied Mathematics.  12-13 (1985)  - p. 37-60 , 1985
 
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5

A Lanczos Algorithm for Computing Singular Values and Vecto..:

Cullum, Jane ; Willoughby, Ralph A. ; Lake, Mark
SIAM Journal on Scientific and Statistical Computing.  4 (1983)  2 - p. 197-215 , 1983
 
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6

Computing eigenvalues of very large symmetric matrices—An i..:

Cullum, Jane ; Willoughby, Ralph A
Journal of Computational Physics.  44 (1981)  2 - p. 329-358 , 1981
 
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7

The Lanczos phenomenon—An interpretation based upon conjuga..:

Cullum, Jane ; Willoughby, Ralph A.
Linear Algebra and its Applications.  29 (1980)  - p. 63-90 , 1980
 
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8

Computing eigenvectors (and eigenvalues) of large, symmetri..:

, In: Lecture Notes in Mathematics; Numerical Analysis,
Cullum, Jane ; Willoughby, Ralph A. - p. 46-63 , 1980
 
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10

Some Results on Sparse Matrices:

Brayton, Robert K. ; Gustavson, Fred G. ; Willoughby, Ralph A.
Mathematics of Computation.  24 (1970)  112 - p. 937-954 , 1970
 
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11

The Cretaceous and Tertiary Stratigraphy of the Upper Coast..:

, In: Field Trip Guidebooks; Upper Cretaceous and Cenozoic Geology of the Southeastern Atlantic Coastal Plain: Atlanta, Georgia to Chesapeake, Virginia July 1-9, 1989,
 
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12

Igc Field Trip T172: Upper Cretaceous and Cenozoic Geology ..:

, In: Field Trip Guidebooks; Upper Cretaceous and Cenozoic Geology of the Southeastern Atlantic Coastal Plain: Atlanta, Georgia to Chesapeake, Virginia July 1-9, 1989,
 
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13

Medusoids from the Middle Cambrian of Utah:

Willoughby, Ralph H. ; Robison, Richard A.
Journal of Paleontology.  53 (1979)  2 - p. 494-500 , 1979
 
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