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- `ALIAS/maxgradient`: the maximal width of a box for
using the gradient for the evaluation of the expression
(default value: 1.e10).
(C++:ALIAS_Diam_Max_Gradient)
- `ALIAS/maxkraw`: the maximal width of a box before
using the Krawczyk test (default value: 1.e10) (C++:
ALIAS_Diam_Max_Kraw)
- `ALIAS/maxnewton`: maximal width of a box before
using the interval Newton method (default value: 1.e10) (C++: ALIAS_Diam_Max_Newton)
- `ALIAS/newton_max_dim`: for the numerical C++ Newton
scheme the iteration is stopped if the absolute value of the i-th parameter
is greater than the i-th of this table
- `ALIAS/store_gradient`: the signs of the derivatives for
each box processed by the algorithm are usually stored. Setting this
variable to 0 allows to decrease the size of the storage memory
- `ALIAS/transmit_gradient`: the master program will
usually transmit to the slaves the sign of the elements of the
jacobian for the box that is send to the slave. This may be avoided by
setting this flag to 0
- `ALIAS/use_inflation`,`ALIAS/eps_inflation`: as soon as a
solution is found we will try to inflate the box in which the solution
has been found by at least `ALIAS/eps_inflation`. This process
may be computer intensive and may be invalidated by setting
`ALIAS/use_inflation` to 0
- `ALIAS/type_n_new_boxes`, `ALIAS/allows_n_new_boxes`: if a unicity box has been
discovered solutions may be sought in the following boxes only in the
complementary part of the
box with respect to the unicity box: this is allowed by setting
the flag type_n_new_boxes to 1. This may create a large
number of boxes and the flag allows_n_new_boxes allows to
specify how many new boxes may be created
- `ALIAS/Grad_Equation`: an integer array used by the HessianSolve
procedure. If the i-th element of this array is 0 the derivatives of
the i-th equation are not used for the interval evaluation of the
equation
- `ALIAS/apply_kanto`: an integer used by the HessianSolve
procedure. If set to 2 the algorithm will always perform
`ALIAS/newton_iteration` (default value: 100) iterations of
a Newton scheme with as initial guess of the solution the center of
the current box. If the scheme converge it is first verified that a
solution has indeed been found and if this solution lie inside the
initial search domain. The box in which a solution is found is then
inflated and the search domain is reduced by the solution box. Using
this method allows to often determine quickly solutions of a system.
Next: Generating program without running
Up: Parameters for the solving
Previous: General parameters for the
Contents
Jean-Pierre Merlet
2012-12-20