public void FISDefuzzBisectTest()
{
// Test a symmetric shape
MemberFunction inMf = new MemberFunction(new List <double[]>
{
new double[] { 0, 0 },
new double[] { 1, 1 },
new double[] { 2, 1 },
new double[] { 3, 0 },
});
double result = Defuzzify.DefuzzBisect(inMf);
// REsult should be the balancing point along the x axis
Assert.AreEqual(result, 1.5);
// Test a lopsided shape
MemberFunction inMf2 = new MemberFunction(new List <double[]>
{
new double[] { 0, 0 },
new double[] { 1, 0 },
new double[] { 1, 1 },
new double[] { 2, 1 },
new double[] { 3, 1 },
});
double result2 = Defuzzify.DefuzzBisect(inMf2);
// REsult should be the balancing point along the x axis
Assert.AreEqual(result2, 2);
// Test a shape where the bisect happens beteen points
MemberFunction inMf3 = new MemberFunction(new List <double[]>
{
new double[] { 0, 0 },
new double[] { 1, 0 },
new double[] { 1, 1 },
new double[] { 2, 1 },
new double[] { 4, 1 },
});
double result3 = Defuzzify.DefuzzBisect(inMf3);
// REsult should be the balancing point along the x axis
Assert.AreEqual(result3, 2.5);
}
public void DefuzzCentroidTest()
{
// Set our input
// https://www.mathworks.com/help/fuzzy/examples/defuzzification-methods.html
MemberFunction inMf = new MemberFunction(new List <double[]>
{
new double[] { 0, 0 },
new double[] { 1, 1 },
new double[] { 2, 1 },
new double[] { 3, 0 },
});
double result = Defuzzify.DefuzzCentroid(inMf);
// Should be the point along the x axis that divides the shape
// into two equal pieces
Assert.AreEqual(result, 1.5);
}
public void FISDefuzzMaxMethodsTest()
{
// Test a shape where the bisect happens beteen points
MemberFunction inMf3 = new MemberFunction(new List <double[]>
{
new double[] { 0, 0 },
new double[] { 1, 0 },
new double[] { 1, 1 },
new double[] { 2, 2 },
new double[] { 4, 2 },
new double[] { 5, 0 },
});
double LargeMax = Defuzzify.FISDefuzzLargeMax(inMf3);
double MidMax = Defuzzify.FISDefuzzMidMax(inMf3);
double SmallMax = Defuzzify.FISDefuzzSmallMax(inMf3);
// REsult should be the balancing point along the x axis
Assert.AreEqual(LargeMax, 4);
Assert.AreEqual(MidMax, 3);
Assert.AreEqual(SmallMax, 2);
}
