50 lines
1.2 KiB
Python
50 lines
1.2 KiB
Python
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
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# print(common.__dict__)
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def GridPartitionerTrimf(data, npart, names=None, prefix="A"):
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sets = []
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if min(data) < 0:
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dmin = min(data) * 1.1
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else:
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dmin = min(data) * 0.9
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if max(data) > 0:
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dmax = max(data) * 1.1
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else:
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dmax = max(data) * 0.9
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dlen = dmax - dmin
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partlen = math.ceil(dlen / npart)
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count = 0
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for c in np.arange(dmin, dmax, partlen):
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sets.append(
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FuzzySet.FuzzySet(prefix + str(count), Membership.trimf, [c - partlen, c, c + partlen],c))
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count += 1
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return sets
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def GridPartitionerGaussmf(data, npart, names=None, prefix="A"):
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sets = []
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dmax = max(data)
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dmax += dmax * 0.10
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dmin = min(data)
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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(
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FuzzySet.FuzzySet(prefix + str(c), Membership.gaussmf, [partition, partlen/3],
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partition))
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partition += partlen
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return sets
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