Package minfx :: Module base_classes :: Class Hessian_mods
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Class Hessian_mods

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Instance Methods [hide private]
 
__init__(self)
Base class containing the generic line search functions.
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cholesky_mod(self, return_matrix=0)
Function for running the Cholesky Hessian modification.
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eigenvalue(self, return_matrix=0)
Function for running the eigenvalue Hessian modification.
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gmw(self, return_matrix=0)
Function for running the Gill, Murray, and Wright modified Cholesky algorithm.
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gmw_old(self, return_matrix=0)
Function for running the Gill, Murray, and Wright modified Cholesky algorithm.
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se99(self, return_matrix=0)
Function for running the Gill, Murray, and Wright modified Cholesky algorithm.
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setup_hessian_mod(self)
Initialise the Hessian modification functions.
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unmodified_hessian(self, return_matrix=0)
Calculate the pure Newton direction.
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valid_hessian_mod(self, mod)
Test if the string 'mod' is a valid Hessian modification.
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