Rational function representation for accurate exchange energy functionals

1987 ◽  
Vol 86 (3) ◽  
pp. 1425-1428 ◽  
Author(s):  
Andrew E. DePristo ◽  
Joel D. Kress
Keyword(s):  
Rational Function ◽  
Exchange Energy ◽  
Function Representation ◽  
Energy Functionals

A reexamination of exchange energy functionals

1999 ◽  
Vol 111 (13) ◽  
pp. 5656-5667 ◽  
Author(s):  
Takao Tsuneda ◽  
Toshihisa Suzumura ◽  
Kimihiko Hirao
Keyword(s):  
Exchange Energy ◽  
Energy Functionals

scholarly journals Network modelling with Brune's synthesis

2011 ◽  
Vol 9 ◽  
pp. 91-94 ◽  
Author(s):  
F. Mukhtar ◽  
Y. Kuznetsov ◽  
P. Russer
Keyword(s):  
Rational Function ◽  
Numerical Data ◽  
Circuit Synthesis ◽  
Network Modelling ◽  
Function Representation ◽  
Vector Fitting ◽  
Lumped Element ◽  
Fitting Procedure ◽  
Systematic Strategy

Abstract. Network modelling of general, lossy or lossless, one-port and symmetric two-port passive electromagnetic structures in systematic manner is presented. Rational function representation of the numerical data of Z- or Y-parameters is obtained with the use of Vector Fitting procedure. A systematic strategy for obtaining equivalent lumped element circuit from the rational function, applying Brune's circuit synthesis, is also presented.

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