35 lines
904 B
Python
35 lines
904 B
Python
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import numpy as np
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import math
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import random as rnd
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import functools,operator
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from pyFTS.common import FuzzySet,Membership,Transformations
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#print(common.__dict__)
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def GridPartitionerTrimf(data,npart,names = None,prefix = "A"):
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data2 = Transformations.differential(data)
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davg = np.mean(data2)/2
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if davg <= 1.0:
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base = 0.1
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elif davg > 1 and davg <= 10:
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base = 1.0
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elif davg > 10 and davg <= 100:
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base = 10
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else:
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base = 100
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sets = []
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dmax = max(data)
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dmax = dmax + dmax*0.10
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dmin = min(data)
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dmin = dmin - dmin*0.10
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dlen = dmax - dmin
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partlen = math.ceil(dlen / npart)
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partition = math.ceil(dmin)
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for c in range(npart):
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sets.append(FuzzySet(prefix+str(c),Membership.trimf,[round(partition-partlen,3), partition, partition+partlen], partition ) )
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partition = partition + partlen
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return sets
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