Initializing help system before first use

delcuts

Purpose
Deletes cuts from the matrix at the current node.
Cuts from the parent node which have been automatically restored may be deleted as well as cuts added to the current node using addcuts or loadcuts. The cuts to be deleted can be specified in a number of ways. If a cut is ruled out by any one of the criteria it will not be deleted.
Synopsis
delcuts(
prob,
basis,
cutind = NULL,
cuttype = 0,
interp = -1,
delta = -Inf,
ncuts = -1
)
Arguments
prob 
The current problem.
basis 
Ensures the basis will be valid if set to 1.
cutind 
Array containing pointers to the cuts which are to be deleted.
cuttype 
User defined type of the cut to be deleted.
interp 
Way in which the cut cuttype is interpreted:
-1
match all cut types;
1
treat cut types as numbers;
2
treat cut types as bit maps - delete if any bit matches any bit set in cuttype;
3
treat cut types as bit maps - delete if all bits match those set in cuttype.
delta 
Only delete cuts with an absolute slack value greater than delta.
ncuts 
Number of cuts to drop if a list of cuts is provided.
Return value
The input argument prob.
Further information
Please refer to the C documentation for more details.

Parent Topic R interface reference manual

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