Harwell-Boeing Sparse Matrix Collection

WEST0067: Chemical engineering plant models

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Matrix characteristics

Identifier: WEST0067

Type: Unsymmetric with many zeros on the diagonal. Some of the entries actually have the value zero. This happens when a procedure is used in which all outputs are incorrectly assumed to be a function of all inputs.

Order: 67

# of entries: 294
Performance: Nine of these matrices can be significantly reduced by block triangularization methods.

Matrix characteristics
Identifier:	WEST0067
Type:	Unsymmetric with many zeros on the diagonal. Some of the entries actually have the value zero. This happens when a procedure is used in which all outputs are incorrectly assumed to be a function of all inputs.
Order:	67
# of entries:	294
Performance:	Nine of these matrices can be significantly reduced by block triangularization methods.

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