A Fuzzy Logic Experiment with Python

fuzzypy.py

# Fuzzy Logic experiment (WIP)
# By the Tutorial Doctor
# Objects are not always in one of two states (true or false), but rather in several states at one time.
#(val-min)/(max-min)
#---------------------------------------------------------------------------


#VARIABLES
#------------------------------------------------------------------------------
cold =(1,213)
hot =(3,94)
funny=(90,100)
close = (0,5)
joes_distance = 7
joes_funniness = 97
sam = 0
San_Antonio = 100
Georgia = 99
#------------------------------------------------------------------------------


#FUNCTIONS
#------------------------------------------------------------------------------
def GetFuzzyValues(List,Label):
	"Prints the membership of every value between the values of a 2-tuple"
	#For every item in the range of a list...
	for i in range(List[0],List[-1]+1):
		#print the item and the membership of the item in the list.
		# Print a lanel for the lis also
		print str(i) + ' is ' + str((float(i)-List[0]) / (List[-1]-List[0])) + ' ' + Label

def Membership(x,List):
	"Returns the membership of a value in a list."
	top=(float(x)-List[0])
	bottom=(List[-1]-List[0])
	M= top/bottom
	return M

def Is(x,List):
	"Returns true if a value is in the value range of a list"
	#If a value is greater than the first item in a list..
	if x >= List[0]:
		#And if it is smaller than the last item in the list...
		if x<= List[-1]:
			#print the membership of the item in the list...
			print Membership(x,List)
			#And return True
			return True
	#No else statement is needed since the return statement will exit the function.
	#Print the membership and return False if the above condition is false.
	print Membership(x,List)
	return False 

def Get(List,x,i=0):
	steps=0
	while x<=List[1]:
		print (x,Membership(x,List))
		x=x+i
		print 'steps: {}'.format(steps)
		steps=steps+1

def document(f):
	#Print the name of a function and its document string.
	print f.__name__ +': '+ f.__doc__+'\n'
#------------------------------------------------------------------------------


#USAGE
#------------------------------------------------------------------------------
print Is(7,cold)
print Is(92,hot)
print Is(joes_funniness,funny)
print Is(joes_distance,close)
print Is(joes_distance,cold)
print 
print Is(joes_funniness,hot)
print 
Get(close,sam,.1)
print(Is(Georgia,hot))
print
#How to interpret this membership?
#------------------------------------------------------------------------------


#DOCUMENTATION
#------------------------------------------------------------------------------
document(Is)
document(Membership)
document(GetFuzzyValues)
#------------------------------------------------------------------------------