bandit_epsgreedy.c
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31/*---+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8----+----9----+----0----+----1----+----2*/
57 SCIP_Real decayfactor; /**< the factor to reduce the weight of older observations if exponential decay is enabled */
199 /* the very first observation is directly stored as weight for both average or exponential decay */
251 banditdata->priorities[w] = priorities[w] + SCIPrandomGetReal(rng, -EPSGREEDY_SMALL, EPSGREEDY_SMALL);
284 SCIP_Real decayfactor, /**< the factor to reduce the weight of older observations if exponential decay is enabled */
307 SCIP_CALL( SCIPbanditCreate(epsgreedy, vtable, blkmem, bufmem, priorities, nactions, initseed, banditdata) );
320 SCIP_Real decayfactor, /**< the factor to reduce the weight of older observations if exponential decay is enabled */
334 SCIPerrorMessage("Could not find virtual function table for %s bandit algorithm\n", BANDIT_NAME);
339 priorities, eps, usemodification, preferrecent, decayfactor, avglim, nactions, SCIPinitializeRandomSeed(scip, initseed)) );
381 SCIPbanditFreeEpsgreedy, SCIPbanditSelectEpsgreedy, SCIPbanditUpdateEpsgreedy, SCIPbanditResetEpsgreedy) );
void SCIPbanditSetData(SCIP_BANDIT *bandit, SCIP_BANDITDATA *banditdata)
Definition: bandit.c:200
SCIP_RETCODE SCIPbanditCreate(SCIP_BANDIT **bandit, SCIP_BANDITVTABLE *banditvtable, BMS_BLKMEM *blkmem, BMS_BUFMEM *bufmem, SCIP_Real *priorities, int nactions, unsigned int initseed, SCIP_BANDITDATA *banditdata)
Definition: bandit.c:42
internal methods for bandit algorithms
SCIP_DECL_BANDITUPDATE(SCIPbanditUpdateEpsgreedy)
Definition: bandit_epsgreedy.c:187
SCIP_RETCODE SCIPincludeBanditvtableEpsgreedy(SCIP *scip)
Definition: bandit_epsgreedy.c:374
SCIP_DECL_BANDITSELECT(SCIPbanditSelectEpsgreedy)
Definition: bandit_epsgreedy.c:93
SCIP_DECL_BANDITRESET(SCIPbanditResetEpsgreedy)
Definition: bandit_epsgreedy.c:223
SCIP_RETCODE SCIPbanditCreateEpsgreedy(BMS_BLKMEM *blkmem, BMS_BUFMEM *bufmem, SCIP_BANDITVTABLE *vtable, SCIP_BANDIT **epsgreedy, SCIP_Real *priorities, SCIP_Real eps, SCIP_Bool usemodification, SCIP_Bool preferrecent, SCIP_Real decayfactor, int avglim, int nactions, unsigned int initseed)
Definition: bandit_epsgreedy.c:275
internal methods for epsilon greedy bandit selection
void SCIPsetEpsilonEpsgreedy(SCIP_BANDIT *epsgreedy, SCIP_Real eps)
Definition: bandit_epsgreedy.c:358
SCIP_Real * SCIPgetWeightsEpsgreedy(SCIP_BANDIT *epsgreedy)
Definition: bandit_epsgreedy.c:345
SCIP_RANDNUMGEN * SCIPbanditGetRandnumgen(SCIP_BANDIT *bandit)
Definition: bandit.c:293
SCIP_BANDITVTABLE * SCIPfindBanditvtable(SCIP *scip, const char *name)
Definition: scip_bandit.c:80
SCIP_RETCODE SCIPcreateBanditEpsgreedy(SCIP *scip, SCIP_BANDIT **epsgreedy, SCIP_Real *priorities, SCIP_Real eps, SCIP_Bool usemodification, SCIP_Bool preferrecent, SCIP_Real decayfactor, int avglim, int nactions, unsigned int initseed)
Definition: bandit_epsgreedy.c:313
SCIP_RETCODE SCIPincludeBanditvtable(SCIP *scip, SCIP_BANDITVTABLE **banditvtable, const char *name, SCIP_DECL_BANDITFREE((*banditfree)), SCIP_DECL_BANDITSELECT((*banditselect)), SCIP_DECL_BANDITUPDATE((*banditupdate)), SCIP_DECL_BANDITRESET((*banditreset)))
Definition: scip_bandit.c:48
SCIP_Real SCIPrandomGetReal(SCIP_RANDNUMGEN *randnumgen, SCIP_Real minrandval, SCIP_Real maxrandval)
Definition: misc.c:10130
int SCIPrandomGetInt(SCIP_RANDNUMGEN *randnumgen, int minrandval, int maxrandval)
Definition: misc.c:10108
unsigned int SCIPinitializeRandomSeed(SCIP *scip, unsigned int initialseedvalue)
Definition: scip_randnumgen.c:111
Definition: objbenders.h:44
public methods for bandit algorithms
public methods for message output
public data structures and miscellaneous methods
public methods for bandit algorithms
public methods for memory management
public methods for random numbers
Definition: memory.c:2504
Definition: struct_bandit.h:48
Definition: struct_bandit.h:58
Definition: struct_misc.h:269
Definition: struct_scip.h:70