National Repository of Grey Literature 75 records found  1 - 10nextend  jump to record: Search took 0.00 seconds. 
Absolute Value Mapping
Rohn, Jiří
We prove a necessary and sufficient condition for an absolute value mapping to be bijective. This result simultaneously gives a characterization of unique solvability of an absolute value equation for each right-hand side.
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Overdetermined Absolute Value Equations
Rohn, Jiří
We consider existence, uniqueness and computation of a solution of an absolute value equation in the overdetermined case.
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Interval Matrices: Regularity Yields Singularity
Rohn, Jiří
It is proved that regularity of an interval matrix implies singularity of two related interval matrices.
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Report on the Last Work by Dr. Erich Nuding
Rohn, Jiří
This is a facsimile copy of a 1994 report on the unpublished last paper by Dr. Erich Nuding. It is being made public here in the hope that even after twenty-two years it may be of interest for researchers working in the area of interval computations because of the intriguing concept of the "fourth modality" which has not been rediscovered during a quarter of century which has elapsed since its original formulation.
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