Reduced-order modeling of large linear passive multi-terminal circuits using matrix-Pade approximation

2002 ◽  
Author(s):  
R.W. Freund ◽  
P. Feldmann
Keyword(s):  
Padé Approximation ◽  
Reduced Order Modeling ◽  
Pade Approximation ◽  
Reduced Order ◽  
Matrix Padé Approximation

Suboptimal Model Reduction by Multi-Point Padé Approximation

1994 ◽  
Vol 208 (2) ◽  
pp. 131-134 ◽  
Author(s):  
T N Lucas
Keyword(s):  
Transfer Function ◽  
Model Reduction ◽  
Approximation Method ◽  
Padé Approximation ◽  
Order Reduction ◽  
Pade Approximation ◽  
Reduced Order ◽  
Numerical Example ◽  
Integral Square Error ◽  
Reduction Methods

A novel Padé approximation method is used to obtain a reduced-order transfer function, with a predetermined denominator, such that the integral square error between the time responses of the full and reduced models is minimized. The method is seen to be easy to apply compared with existing suboptimal order reduction methods. A numerical example is given to illustrate its application.

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