Algorithm 948: DAESA — a Matlab tool for structural analysis of differential-algebraic equations: Software

Nedialkov, Nedialko S., Pryce, John D. ORCID: https://orcid.org/0000-0003-1702-7624 and Tan, Guangning 2015. Algorithm 948: DAESA — a Matlab tool for structural analysis of differential-algebraic equations: Software. ACM Transactions on Mathematical Software 41 (2) , 12. 10.1145/2700586

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Abstract

DAESA, Differential-Algebraic Equations Structural Analyzer, is a MATLAB tool for structural analysis of differential-algebraic equations (DAEs). It allows convenient translation of a DAE system into MATLAB and provides a small set of easy-to-use functions. DAESA can analyze systems that are fully nonlinear, high- index, and of any order. It determines structural index, number of degrees of freedom, constraints, variables to be initialized, and suggests a solution scheme. The structure of a DAE can be readily visualized by this tool. It can also construct a block-triangular form of the DAE, which can be exploited to solve it efficiently in a block-wise manner.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Mathematics
Subjects:	Q Science > QA Mathematics Q Science > QA Mathematics > QA76 Computer software
Publisher:	Association for Computing Machinery (ACM)
ISSN:	0098-3500
Date of First Compliant Deposit:	30 March 2016
Date of Acceptance:	1 August 2013
Last Modified:	27 Oct 2022 09:55
URI:	https://orca.cardiff.ac.uk/id/eprint/68198

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