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iambear (iambear) 于 (Wed Jul 25 10:47:45 2007) 提到:
在optimization时候,有何区别,在什么情况下用哪种?
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longhei ($$$$$$$$$$$$) 于 (Wed Jul 25 11:43:59 2007) 提到:
1. At least you will have to provide the gradient for the large scale method
if you want to use it.
2. The large sacle method uses trust region algorithms and preconditioned CG
(with banded preconditioners) for solving linear systems, so potentially it
solves problems wi |
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