Matrix Set WATT

WATT: Petroleum engineering

from the Harwell-Boeing Collection

Set WATT
Source:	John Somerville, Department of Petroleum Engineering, Heriot-Watt University, Edinburgh, Scotland.
Discipline:	Petroleum engineering
Accession:	December 1983

The values of the coefficients can vary by as much as 10¹⁴ and the use of automatic scaling routines were giving singular matrices. Fill-in was also higher than expected.

Matrices in this set:

WATT 1 (real unsymmetric, 1856 by 1856, 11360 entries)
WATT 2 (real unsymmetric, 1865 by 1865, 11550 entries)
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Last change in this page: Wed Sep 22 13:33:55 US/Eastern 2004 [Comments: ]