def predict(self, c, unknown): if c.size < 2: return [] addedElems = 0 if c.shape[1]-c.shape[0]>1: added = numpy.zeros((c.shape[1]-c.shape[0], c.shape[1])) addedElems = added.shape[0] * added.shape[1] c = numpy.vstack((c, added)) detected = c.shape[0] recognizers = c.shape[1] size = c.size mp.beginModel('basic') mp.verbose(False) x = mp.var(range(size), 'X', kind=bool) # One label per detected object for i in range(0, detected): tmp = numpy.zeros((detected, recognizers)) tmp[i, :] = 1 tmp = tmp.reshape((1, size))[0] mp.st(sum(x[j]*int(tmp[j]) for j in range(size))==1) if self.constraints == True: # Use recognizer up to once if unknown==True: lim = recognizers-1 else: lim = recognizers for i in range(0, recognizers): tmp = numpy.zeros((detected, recognizers)) tmp[:, i] = 1 tmp = tmp.reshape((1, size))[0] mp.st(sum(x[j]*int(tmp[j]) for j in range(size))<=1) c = c.reshape((1, size)).tolist()[0] mp.minimize(sum(c[i]*x[i] for i in range(size)), 'myobj') mp.solve(int) X = numpy.zeros((1, size)) for i in range(size): X[0, i] = x[i].primal X = X[0,0:size-addedElems] labels = X.reshape(((size-addedElems)/(recognizers), recognizers)) predicted = [] for i in range(0, labels.shape[0]): l = numpy.argmax(labels[i,:]) if l==recognizers-1 and unknown==True: l = -1 predicted.append(l) return predicted
<=channelCap[j] #maxOfferProductConstraint: for k in rNumberProducts: sum(x[i,j,k] for i in rNumberClients for j in rNumberChannels)\ <=maxOfferProduct[k] #minOfferProductConstraint: #for k in rNumberProducts: # sum(x[i,j,k] for i in rNumberClients for j in rNumberChannels)\ # >=minOfferProduct[k] #budgetConstraint: pp.st(sum(x[i,j,k]*cost[j] for i in rNumberClients for j in rNumberChannels\ for k in rNumberProducts)<=budget, "Budget Constr") #clientLimitConstraint: for i in rNumberClients: pp.st( sum(x[i,j,k] for j in rNumberChannels for k in rNumberProducts)<=1, "client "+str(i)+" Limit") #rurdleRateConstraint: pp.st(sum(x[i,j,k]*expectedReturn[i][j][k] for i in rNumberClients for j in\ rNumberChannels for k in rNumberProducts)>= (1+rurdleRate)*sum(x[i,j,k]\ *cost[j] for i in rNumberClients for j in rNumberChannels\ for k in rNumberProducts),"rurdleRate Cons") pp.solve() # solve the model
def ppSolver(expectedReturn, numberClients, numberChannels, numberProducts, cost, budget, channelCap, minOfferProduct, maxOfferProduct, rurdleRate): startTime = timeit.default_timer() rNumberClients = range(numberClients) rNumberChannels = range(numberChannels) rNumberProducts = range(numberProducts) t = pp.iprod(rNumberClients, rNumberChannels, rNumberProducts) pp.begin('basic') # begin modelling pp.verbose(False) # be verbose x = pp.var('choice', t, bool) pp.maximize(sum(x[i,j,k]*expectedReturn[i][j][k] for i in rNumberClients\ for j in rNumberChannels for k in rNumberProducts)) #channelLimitConstraint: for j in rNumberChannels: sum(x[i,j,k] for i in rNumberClients for k in rNumberProducts)\ <=channelCap[j] #maxOfferProductConstraint: for k in rNumberProducts: sum(x[i,j,k] for i in rNumberClients for j in rNumberChannels)\ <=maxOfferProduct[k] #minOfferProductConstraint: # for k in rNumberProducts: # sum(x[i,j,k] for i in rNumberClients for j in rNumberChannels)\ # >=minOfferProduct[k] #budgetConstraint: pp.st(sum(x[i,j,k]*cost[j] for i in rNumberClients for j in\ rNumberChannels for k in rNumberProducts)<=budget,"Budget Constr.") #clientLimitConstraint: for i in rNumberClients: pp.st(sum(x[i,j,k] for j in rNumberChannels for k in rNumberProducts)\ <=1,"Client "+str(i)+" limit") #rurdleRateConstraint: pp.st(sum(x[i,j,k]*expectedReturn[i][j][k] for i in rNumberClients for j \ in rNumberChannels for k in rNumberProducts)>= (1+rurdleRate)\ *sum(x[i,j,k]*cost[j] for i in rNumberClients for j in\ rNumberChannels for k in rNumberProducts),"Rurdle Rate Constr") pp.solve() # solve the model # pp.sensitivity() # sensitivity report endTime = timeit.default_timer() - startTime print("Objetivo encontrado: ", round(pp.vobj(), 2), " em ", round(endTime, 3), " segundos") print("\n\n\n") appendCsv(numberClients, "Solver method", endTime, True, round(pp.vobj(), 2)) pp.end() #Good habit: do away with the model
def merge ( Y, W ): import operator import sys N = 4 M = 4 # index and data patternid, yid, wid, rid = range(N*M), range(N*M), range(N*M), range(2) #problem definition pymprog.beginModel('basic') pymprog.verbose(True) # Stiamo facendo uno split, il pattern precedente e' P, e noi vogliamo creare due pattern figli Y e W # P, Y, e W sono delle matrici NxM, rappresentate come vettori, di bit. # N sono i layer, mentre M sono le hit in quel layer P = pymprog.var(patternid, 'P', bool) # Parent Pattern Y = pymprog.var(range(3), 'Y', bool) # First sub-pattern W = pymprog.var(range(3), 'W', bool) # Second sub-pattenr # Queste tre relazioni logiche impongono che per ogni traccia k, questa venga riconosciuta da almeno un sub-pattern # e traducono la relazione # covered[k] = coveredY[k] V coveredW[k] | k = {1,2,3} # con # covered[k] = 1 | k = {1,2,3} covered = pymprog.var(range(3), 'covSubTot', bool) r = pymprog.st( covered[k] >= Y[k] for k in range(3) ) r += pymprog.st( covered[k] >= W[k] for k in range(3) ) r += pymprog.st( covered[k] <= Y[k] + W[k] for k in range(3) ) r += pymprog.st( covered[k] == 1 for k in range(3) ) # # # # # # # # totY = pymprog.var( range(1), 'totY', bounds=(1, 3) ) totW = pymprog.var( range(1), 'totW', bounds=(1, 3) ) r += pymprog.st( sum ( Y[k] for k in range(3) ) == totY[i] for i in range(1) ) r += pymprog.st( sum ( W[k] for k in range(3) ) == totW[i] for i in range(1) ) AY = pymprog.var(range(N*M), 'AY', int) AW = pymprog.var(range(N*M), 'AW', int) ## Ora voglio fare che *per ogni punto* nella griglia 2D, r += pymprog.st ( AY[ i ] >= Y[k] * myTracks[k][ i ] for i in range(N*M) for k in range(3) ) r += pymprog.st ( AY[ i ] <= sum( Y[k] * myTracks[k][ i ] for k in range(3) ) for i in range(N*M) ) r += pymprog.st ( AW[ i ] >= W[k] * myTracks[k][ i ] for i in range(N*M) for k in range(3) ) r += pymprog.st ( AW[ i ] <= sum( W[k] * myTracks[k][ i ] for k in range(3) ) for i in range(N*M) ) # Le ampiezze nei vari layer ... poi si potra' semplificare AmpY = pymprog.var(range(N), 'AmpY', int) AmpW = pymprog.var(range(N), 'AmpW', int) r += pymprog.st ( sum( AY[i*N+j] for j in mRange ) == AmpY[i] for i in nRange ) r += pymprog.st ( sum( AW[i*N+j] for j in mRange ) == AmpW[i] for i in nRange ) VolTotY = pymprog.var(range(1), 'VolTotY', int) # Second sub-pattenr VolTotW = pymprog.var(range(1), 'VolTotW', int) # Second sub-pattenr #r += st ( sum( AY[i*N+j] for j in mRange ) == AmpY[i] for i in nRange ) r += pymprog.st ( sum( AmpY[j] for j in nRange ) == VolTotY[i] for i in range(1) ) r += pymprog.st ( sum( AmpW[j] for j in nRange ) == VolTotW[i] for i in range(1) ) pymprog.minimize( VolTotY[0] + VolTotW[0] , 'Total Volume') sys.stdout.write("\nSolving ...") pymprog.solve() sys.stdout.write(" done.\n\n") print("Total Volume = %g"% pymprog.vobj()) print 'Y' print Y print 'W' print W print AmpY print AmpW print 'AY' print_variables_matrix_primal(AY) print 'AW' print_variables_matrix_primal(AW) print 'Y' print_variables_matrix_cross(AY) print 'W' print_variables_matrix_cross(AW) print 'Volume Y : ' print VolTotY[0].primal print 'Volume W : ' print VolTotW[0].primal print 'Volume Tot : ' print sum( tracks[i] for i in range(N*M) )
def solve_offline(self, w): ''' pre-compute offline solution ''' T = range(self.T) self.w = dict.fromkeys(T, 0) # vector of charges and discharges # making some shortcuts so the LP is more readable and similar to # the model in our paper b0 = self.level # we use a positive Bm in this problem (like d) Bp = Bm = self.max_rate B = self.capacity CC = self.street.C alpha = self.efficiency p = self.exp_prices ka = self.kwh_adj # magnitudes without me involved fp0 = [self.street.f(t, 0, p[t])[0] for t in T] fm0 = [self.street.f(t, 0, p[t])[1] for t in T] # maximal limit for magnitude we expect maxx = 100 # maximal number of consecutive critical steps considered K = range(self.max_k) e = [math.pow(self.c_h, k + 1) for k in K] TK = [(t,k) for t in T for k in K if k <= t] pymprog.beginModel('offline') #pymprog.verbose(True) pymprog.solvopt(tm_lim=1000*60*self.max_runtime) #print "Options:", pymprog.solvopt() # create variables c = pymprog.var(T, 'C') # charges d = pymprog.var(T, 'D') # discharges x = pymprog.var(T, 'X') # max mag on cable # True if there have been at least k-1 consecutive # critical steps before t v = pymprog.var(T, 'V') # cost co = pymprog.var(TK, 'CO', bool) # consecutive overload # set objective pymprog.minimize( w * sum(v[t] for t in T) - sum(p[t] * (d[t] - c[t]) for t in T), 'wC-R' # we use a positive d in this problem ) # set constraints # ... battery contraints pymprog.st(0 <= c[t] <= Bp for t in T) pymprog.st(0 <= d[t] <= Bm for t in T) # we use a positive d in this problem for t in T: pymprog.st(b0 + sum(ka * (alpha * c[j]) - ka * d[j] for j in range(t + 1)) <= B) pymprog.st(b0 + sum(ka * (alpha * c[j]) - ka * d[j] for j in range(t + 1)) >= 0) # ... cable constraints pymprog.st(x[t] >= 0 for t in T) pymprog.st(x[t] >= fp0[t] + c[t] - d[t] for t in T) pymprog.st(x[t] >= -fm0[t] - c[t] + d[t] for t in T) pymprog.st(x[t] >= -fp0[t] - c[t] + d[t] for t in T) pymprog.st(x[t] >= fm0[t] + c[t] - d[t] for t in T) # ... cons. overloading constraints pymprog.st(v[t] >= e[k] * co[t, k] for t, k in TK) pymprog.st(co[t, 0] >= (x[t]-CC)/(maxx - CC) for t in T) pymprog.st(co[t, k] >= co[t-1, k-1] + co[t, k-1] - 1.5 for t, k in TK if ((t, k-1) in TK and (t-1, k-1) in TK)) pymprog.solve() # status can be in (opt, feas, undef) assert(pymprog.status() in ('opt', 'feas')) # value of objective (this should meet the actual outcome!) #print 'Objective = {}'.format(pymprog.vobj()) # use sthg like this to inspect variables #print ';\n'.join('%s = %g {dual: %g}' % ( # x[t].name, x[t].primal, x[t].dual) # for t in T) for t in T: self.w[t] = c[t].primal - d[t].primal