fuzzy_sample_geogebra.txt

#This sample is on https://www.geogebra.org/ailtonbsj

low = se(x<=0.25, 1,
	se(0.25<=x<=0.45,1-(x-0.25)/(0.45-0.25),
		se(0.45<=x,0)
	)
)

mid = se(x<=0.25, 0,
	se(0.25<=x<=0.5, (x-0.25)/(0.5-0.25),
		se(0.5<=x<=0.75, 1-(x-0.5)/(0.75-0.5),
			se(0.75<=x,0)
		)
	)
)

high = se(x<=0.55, 0,
	se(0.55<=x<=0.75, (x-0.55)/(0.75-0.55),
		se(0.75<=x, 1)
	)
)

outNorm = se(x<=0.2,1,
	se(0.2<x<=0.3,1-(x-0.2)/(0.3-0.2),
		se(0.3<x,0)
	)
)

marg = se(x<=0.2,0,
	se(0.2<x<=0.3,(x-0.2)/(0.3-0.2),
		se(0.3<x<=0.55,1,
			se(0.55<x<=0.7,1-(x-0.55)/(0.7-0.55),
				se(0.7<x, 0)
			)
		)
	)
)

fail = se(x<=0.6,0,
	se(0.6<=x<=0.8,(x-0.6)/(0.8-0.6),
		se(0.8<x,1)
	)
)

Q1 = se(outNorm <= muLow, outNorm, muLow)
Q2 = se(marg <= muMid, marg, muMid)
Q3 = se(fail <= muHigh, fail, muHigh)
Qq = se(se(Q1 >= Q2, Q1, Q2) >= Q3,
	se(Q1 >= Q2, Q1, Q2),Q3
)

A = integral(x*Qq(x),0,1)
B = integral(Qq,0,1)
Vo = A/B