Theodoula N. Grapsa
Theodoula N. Grapsa
Associate Professor, Department of Mathematics, University of Patras, Greece
Verified email at math.upatras.gr - Homepage
Title
Cited by
Cited by
Year
Self-scaled conjugate gradient training algorithms
AE Kostopoulos, TN Grapsa
Neurocomputing 72 (13-15), 3000-3019, 2009
352009
A spectral version of Perry’s conjugate gradient method for neural network training
DG Sotiropoulos, AE Kostopoulos, TN Grapsa
Proceedings of 4th GRACM Congress on Computational Mechanics 1, 291-298, 2002
352002
A dimension-reducing method for solving systems of nonlinear equations in
TN Grapsa, MN Vrahatis
International journal of computer mathematics 32 (3-4), 205-216, 1990
271990
On the localization and computation of zeros of Bessel functions
MN Vrahatis, TN Grapsa, O Ragos, FA Zafiropoulos
ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1997
261997
RFSFNS: A portable package for the numerical determination of the number and the calculation of roots of Bessel functions
MN Vrahatis, O Ragos, T Skiniotis, FA Zafiropoulos, TN Grapsa
Computer physics communications 92 (2-3), 252-266, 1995
261995
A dimension-reducing method for unconstrained optimization
TN Grapsa, MN Vrahatis
Journal of computational and applied mathematics 66 (1), 239-253, 1996
251996
Locating and computing zeros of Airy functions
MN Vrahatis, O Ragos, FA Zafiropoulos, TN Grapsa
ZAMM‐Journal of Applied Mathematics and Mechanics/Zeitschrift für Angewandte …, 1996
231996
Neural network supervised training based on a dimension reducing method
GD Magoulas, MN Vrahatis, TN Grapsa, GS Androulakis
Mathematics of Neural Networks, 245-249, 1997
201997
The implicit function theorem for solving systems of nonlinear equations in
TN Grapsa, MN Vrahatis
International journal of computer mathematics 28 (1-4), 171-181, 1989
191989
Optimal centers in branch-and-prune algorithms for univariate global optimization
DG Sotiropoulos, TN Grapsa
Applied mathematics and computation 169 (1), 247-277, 2005
162005
A training method for discrete multilayer neural networks
GD Magoulas, MN Vrahatis, TN Grapsa, GS Androulakis
Mathematics of Neural Networks, 250-254, 1997
161997
The topological degree theory for the localization and computation of complex zeros of Bessel functions
MN Vrahatis, O Ragos, T Skiniotis, FA Zafiropoulos, TN Grapsa
Numerical Functional Analysis and Optimization 18 (1-2), 227-234, 1997
131997
Bounding the zeros of an interval equation
IA Nikas, TN Grapsa
Applied mathematics and computation 213 (2), 466-478, 2009
122009
Improved Newton's method without direct function evaluations
EN Malihoutsaki, IA Nikas, TN Grapsa
Journal of Computational and Applied Mathematics 227 (1), 206-212, 2009
102009
Improving the Efficiency of a Polynomial System Solver via a Reordering Technique
DG Sotiropoulos, JA Nikas, TN Grapsa
4th GRACM Congress on Computational Mechanics (GRACM2002), Vol. III, pp. 970-976, 2002
102002
A branch-and-prune method for global optimization
DG Sotiropoulos, TN Grapsa
W. Kraemer and JW v. Gudenberg, editors, Scientific Computing, Validated …, 2001
102001
A new dimension—reducing method for solving systems of nonlinear equations
TN Grapsa, MN Vrahatis
International journal of computer mathematics 55 (3-4), 235-244, 1995
101995
Solving systems of nonlinear equations In using a rotating hyperplane in
TN Grapsa, MN Vrahatis, TC Bountis
International journal of computer mathematics 35 (1-4), 133-151, 1990
101990
A modified Newton direction for unconstrained optimization
TN Grapsa
Optimization 63 (7), 983-1004, 2014
92014
A modified Newton direction for unconstrained optimization
TN Grapsa
23rd European Conference on Operational Research, 2009
9*2009
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