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» On the Need for Practical Formal Methods
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TOMS
2008
80views more  TOMS 2008»
13 years 8 months ago
Updating an LU Factorization with Pivoting
We show how to compute an LU factorization of a matrix when the factors of a leading principle submatrix are already known. The approach incorporates pivoting akin to partial pivo...
Enrique S. Quintana-Ortí, Robert A. van de ...
HCI
2007
13 years 10 months ago
Designers' Perceptions of Methods of Involving and Understanding Users
Numerous methods have been developed to help designers to understand and consider the needs and desires of end-users, but many have had limited uptake in design practice. In order ...
Joy Goodman, Susannah Clarke, Patrick Langdon, P. ...
CAISE
2010
Springer
13 years 10 months ago
Situational Evaluation of Method Fragments: An Evidence-Based Goal-Oriented Approach
Despite advances in situational method engineering, many software organizations continue to adopt an ad-hoc mix of method fragments from wellknown development methods such as Scrum...
Hesam Chiniforooshan Esfahani, Eric Yu, Jordi Cabo...
SIAMJO
2008
136views more  SIAMJO 2008»
13 years 8 months ago
Relaxed Alternating Projection Methods
Let A and B be nonempty, convex and closed subsets of a Hilbert space H. In the practical considerations we need to find an element of the intersection A B or, more general, to s...
Andrzej Cegielski, Agnieszka Suchocka
SIAMJO
2010
87views more  SIAMJO 2010»
13 years 7 months ago
A Second Derivative SQP Method: Global Convergence
Abstract. Sequential quadratic programming (SQP) methods form a class of highly efficient algorithms for solving nonlinearly constrained optimization problems. Although second deri...
Nicholas I. M. Gould, Daniel P. Robinson