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Unpublished conference/Abstract (Scientific congresses, symposiums and conference proceedings)
Impulse parametric sensitivity analysis
Perumal, Thanneer Malai; Gunawan, R.
201118th IFAC World Congress


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Keywords :
Sensitivity Analysis; Robustness; Model; Systems Biology
Disciplines :
Engineering, computing & technology: Multidisciplinary, general & others
Author, co-author :
Perumal, Thanneer Malai ;  National University of Singapore > Chemical and Biomolecular Engineering
Gunawan, R.
External co-authors :
Language :
Title :
Impulse parametric sensitivity analysis
Publication date :
Number of pages :
Event name :
18th IFAC World Congress
Event organizer :
Event place :
Milan, Italy
Event date :
28-08-2011 to 2-09-2011
Audience :
References of the abstract :
Complexity often limits human intuition in understanding system behavior, motivating the creation and analysis of mathematical models to understand these systems. One of the most commonly used analyses is the classical parametric sensitivity analysis (PSA), which maps out the parametric dependence of system behavior. In this article, we present a novel sensitivity analysis, called impulseparametric sensitivity analyses (iPSA), which is based on impulse perturbations to model parameters. Hence, the iPSA gives a step-by-step mechanistic insight on how a particular output behavior is accomplished and complementarily how (an impulse) perturbation propagates through the network. More specifically iPSA coefficients can reveal which parameters are essential and when they become important. The efficacy of this analysis is demonstrated on examples drawn from biology: the Fas-induced cell death model of human Jurkat T-cells.


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