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Best method for Solving System of Linear equations - Сообщения
#1 Опубликовано: 06.10.2012 20:39:51
Hi,
What is the best way to solve a system of positive-definite linear equationsusing smath( as used in structural analysis of space frames)?
Elsewhere I have used software that makes use of public domain solver libraries for this. Can these be adapted for use in Smath?
Thanks
farlanw
What is the best way to solve a system of positive-definite linear equationsusing smath( as used in structural analysis of space frames)?
Elsewhere I have used software that makes use of public domain solver libraries for this. Can these be adapted for use in Smath?
Thanks
farlanw
#2 Опубликовано: 06.10.2012 21:32:38
Iterative methods are faster than direct for large systems,
for positive definite linear matrices I've read here that PCG ( "preconditioned conjugate gradient method" ) is quite efficient in general.
Wikipedia
Algorithm pseudocode
for positive definite linear matrices I've read here that PCG ( "preconditioned conjugate gradient method" ) is quite efficient in general.
Wikipedia
Algorithm pseudocode
#3 Опубликовано: 07.10.2012 09:11:27
WroteIterative methods are faster than direct for large systems,
for positive definite linear matrices I've read here that PCG ( "preconditioned conjugate gradient method" ) is quite efficient in general.
Wikipedia
Algorithm pseudocode
The sm code for linear systems.
regards,
w3b5urf3r
ConjugateGradient.sm (7 КиБ) скачан 227 раз(а).
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