public void ThreeUnknownsTest()
{
var geneRange = Enumerable.Range(-5, 11).ToArray();
var geneSet =
(from n in geneRange from d in geneRange.Where(i => i != 0) select new Fraction(n, d))
.Distinct().OrderBy(g => g).ToArray();
IReadOnlyList <Fraction> FnGenesToInputs(IReadOnlyList <Fraction> genes) => genes;
Fraction E1(IReadOnlyList <Fraction> genes) =>
6 * genes[0] - 2 * genes[1] + 8 * genes[2] - 20;
Fraction E2(IReadOnlyList <Fraction> genes) =>
genes[1] + 8 * genes[0] * genes[2] + 1;
Fraction E3(IReadOnlyList <Fraction> genes) =>
2 * genes[2] * 6 / genes[0] + 3 * genes[1] / 2 - 6;
var equations = new FnEquationDelegate[] { E1, E2, E3 };
SolveUnknown(3, geneSet, equations, FnGenesToInputs);
//Assert.AreEqual(new Fraction(0), best.Fitness.TotalDifference);
//CollectionAssert.AreEqual(
// new[]
// {
// new Fraction(2, 3),
// new Fraction(-5),
// new Fraction(3, 4)
// }, best.Genes);
}
public void FourUnknownsTest()
{
var geneRange = Enumerable.Range(-13, 27).Where(i => i != 0).ToArray();
var geneSet =
(from n in geneRange from d in geneRange.Where(i => i != 0) select new Fraction(n, d))
.Distinct().OrderBy(g => g).ToArray();
IReadOnlyList <Fraction> FnGenesToInputs(IReadOnlyList <Fraction> genes) => genes;
Fraction E1(IReadOnlyList <Fraction> genes) =>
new Fraction(1, 15) * genes[0] - 2 * genes[1] - 15 * genes[2] - new Fraction(4, 5) * genes[3] - 3;
Fraction E2(IReadOnlyList <Fraction> genes) =>
- new Fraction(5, 2) * genes[0] - new Fraction(9, 4) * genes[1] + 12 * genes[2] - genes[3] - 17;
Fraction E3(IReadOnlyList <Fraction> genes) =>
- 13 * genes[0] + new Fraction(3, 10) * genes[1] - 6 * genes[2] - new Fraction(2, 5) * genes[3] - 17;
Fraction E4(IReadOnlyList <Fraction> genes) =>
new Fraction(1, 2) * genes[0] + 2 * genes[1] + new Fraction(7, 4) * genes[2] +
new Fraction(4, 3) * genes[3] + 9;
var equations = new FnEquationDelegate[] { E1, E2, E3, E4 };
SolveUnknown(4, geneSet, equations, FnGenesToInputs);
//Assert.AreEqual(new Fraction(0), best.Fitness.TotalDifference);
//CollectionAssert.AreEqual(
// new[]
// {
// new Fraction(-3, 2),
// new Fraction(-7, 2),
// new Fraction(1, 3),
// new Fraction(-11, 8)
// }, best.Genes);
}
public void TwoUnknownsTest()
{
var range = Enumerable.Range(-5, 11).ToArray();
var geneSet =
(from n in range from d in range.Where(i => i != 0) select new Fraction(n, d))
.Distinct().OrderBy(g => g).ToArray();
IReadOnlyList <Fraction> FnGenesToInputs(IReadOnlyList <Fraction> genes) => genes;
Fraction E1(IReadOnlyList <Fraction> genes) =>
genes[0] + 2 * genes[1] - 4;
Fraction E2(IReadOnlyList <Fraction> genes) =>
4 * genes[0] + 4 * genes[1] - 12;
var equations = new FnEquationDelegate[] { E1, E2 };
SolveUnknown(2, geneSet, equations, FnGenesToInputs);
//Assert.AreEqual(new Fraction(0), best.Fitness.TotalDifference);
//CollectionAssert.AreEqual(
// new[]
// {
// new Fraction(2),
// new Fraction(1)
// }, best.Genes);
}
public void FitnessTest()
{
var child = new List <Fraction> {
new Fraction(2), new Fraction(-1)
};
Fraction E1(IReadOnlyList <Fraction> genes) => genes[0] + 2 * genes[1] - 4;
Fraction E2(IReadOnlyList <Fraction> genes) => 4 * genes[0] + 4 * genes[1] - 12;
var equations = new FnEquationDelegate[] { E1, E2 };
var fitness = GetFitness(child, equations);
Assert.AreEqual(new Fraction(12), fitness.TotalDifference);
}
