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Volume 12,     Number 2,     Summer 2004

 

MULTIFRONTAL SOLUTION OF SPARSE
UNSYMMETRIC MATRICES ARISING FROM
SEMICONDUCTOR EQUATIONS
A. EL BOUKILI, A. MADRANE AND R. VAILLANCOURT

Abstract. The multifrontal LU method is implemented to solve drift-di usion models with large sparse matrices arising in the simulation and optimization of semiconductor devices. The performance of this method is compared with the LU algorithm without multifrontal scheme on different computers in the case of a realistic double heterojunction transistor.

 

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