public void CorrectlyDivideByFuzzyNumber()
{
var values = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(0.0), new RealNumber(0.0), new RealNumber(4.0)},
new[] {new RealNumber(0.0), new RealNumber(1.0), new RealNumber(0.0)},
};
var matrix = new Matrix(values);
var denominator = new RealNumber(-2.0);
var expected = new[]
{
new[] {new RealNumber(-0.5), new RealNumber(-1.0), new RealNumber(-1.5)},
new[] {new RealNumber(-0.5), new RealNumber(-1.0), new RealNumber(-1.5)},
new[] {new RealNumber(0.0), new RealNumber(0.0), new RealNumber(-2.0)},
new[] {new RealNumber(0.0), new RealNumber(-0.5), new RealNumber(0.0)},
};
var result = matrix.Div(denominator);
for (int i = 0; i < matrix.Rows; i++)
for (int j = 0; j < matrix.Columns; j++)
Assert.That(result[i, j].GetMod().X, Is.EqualTo(expected[i][j].GetMod().X));
}
public void CorrectlyConstructsRowsAndColumns2()
{
var matrix = new Matrix(4, 3);
Assert.That(matrix.Rows, Is.EqualTo(4));
Assert.That(matrix.Columns, Is.EqualTo(3));
}
public void ContainNullElementsAfterSimpleConstruct()
{
var matrix = new Matrix(4, 3);
for (int i = 0; i < matrix.Rows; i++)
for (int j = 0; j < matrix.Columns; j++)
Assert.That(matrix[i, j], Is.Null);
}
public void CorrectlyConstructsRowsAndColumns1()
{
var values = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(4.0), new RealNumber(5.0), new RealNumber(6.0)},
new[] {new RealNumber(7.0), new RealNumber(8.0), new RealNumber(9.0)},
new[] {new RealNumber(1.0), new RealNumber(1.0), new RealNumber(1.0)},
};
var matrix = new Matrix(values);
Assert.That(matrix.Rows, Is.EqualTo(4));
Assert.That(matrix.Columns, Is.EqualTo(3));
}
public void CorrectlyAccessElements()
{
var values = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(4.0), new RealNumber(5.0), new RealNumber(6.0)},
new[] {new RealNumber(7.0), new RealNumber(8.0), new RealNumber(9.0)},
new[] {new RealNumber(1.0), new RealNumber(1.0), new RealNumber(1.0)},
};
var matrix = new Matrix(values);
for(int i=0; i<matrix.Rows; i++)
for(int j=0; j<matrix.Columns; j++)
Assert.That(matrix[i,j].GetMod().X, Is.EqualTo(values[i][j].GetMod().X));
}
public void CorrectlyMulMatrixes()
{
var valuesX = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(-1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
};
var matrixX = new Matrix(valuesX);
var valuesY = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0)},
new[] {new RealNumber(1.0), new RealNumber(2.0)},
new[] {new RealNumber(1.0), new RealNumber(2.0)},
};
var matrixY = new Matrix(valuesY);
var results = new[]
{
new[] {new RealNumber(6.0), new RealNumber(12.0)},
new[] {new RealNumber(4.0), new RealNumber(8.0)},
new[] {new RealNumber(6.0), new RealNumber(12.0)},
new[] {new RealNumber(6.0), new RealNumber(12.0)},
};
var result = matrixX.Mul(matrixY);
for (int i = 0; i < matrixX.Rows; i++)
for (int j = 0; j < matrixY.Columns; j++)
Assert.That(result[i, j].GetMod().X, Is.EqualTo(results[i][j].GetMod().X));
}
public void ProvideCommutativeSum()
{
var valuesX = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(-4.0), new RealNumber(-5.0), new RealNumber(-6.0)},
new[] {new RealNumber(7.0), new RealNumber(-8.0), new RealNumber(9.0)},
new[] {new RealNumber(-1.0), new RealNumber(1.0), new RealNumber(-1.0)},
};
var matrixX = new Matrix(valuesX);
var valuesY = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(4.0), new RealNumber(5.0), new RealNumber(6.0)},
new[] {new RealNumber(7.0), new RealNumber(8.0), new RealNumber(9.0)},
new[] {new RealNumber(1.0), new RealNumber(1.0), new RealNumber(1.0)},
};
var matrixY = new Matrix(valuesY);
var results = new[]
{
new[] {new RealNumber(2.0), new RealNumber(4.0), new RealNumber(6.0)},
new[] {new RealNumber(0.0), new RealNumber(0.0), new RealNumber(0.0)},
new[] {new RealNumber(14.0), new RealNumber(0.0), new RealNumber(18.0)},
new[] {new RealNumber(0.0), new RealNumber(2.0), new RealNumber(0.0)},
};
var resultXY = matrixX.Sum(matrixY);
var resultYX = matrixY.Sum(matrixX);
for (int i = 0; i < matrixX.Rows; i++)
for (int j = 0; j < matrixX.Columns; j++)
Assert.That(resultXY[i, j].GetMod().X, Is.EqualTo(resultYX[i, j].GetMod().X));
}
public void CorrectlyMultiplyByVector()
{
var values = new[]
{
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(1.0), new RealNumber(2.0), new RealNumber(3.0)},
new[] {new RealNumber(0.0), new RealNumber(0.0), new RealNumber(4.0)},
new[] {new RealNumber(0.0), new RealNumber(1.0), new RealNumber(0.0)},
};
var matrix = new Matrix(values);
var vector =
new Vector(new[]
{
new RealNumber(1.0), new RealNumber(2.0), new RealNumber(1.0)
});
var expected = new[]
{
new RealNumber(8.0), new RealNumber(8.0), new RealNumber(4.0), new RealNumber(2.0)
};
var result = matrix.Mul(vector);
Assert.That(result.Length, Is.EqualTo(matrix.Rows));
for (int i = 0; i < result.Length; i++)
Assert.That(result[i].GetMod().X, Is.EqualTo(expected[i].GetMod().X));
}
public void CorrectlyMultiplyByFuzzyNumber()
{
var values = new[]
{
new[] {new RealNumber(2.0), new RealNumber(2.0), new RealNumber(4.0)},
new[] {new RealNumber(4.0), new RealNumber(6.0), new RealNumber(6.0)},
new[] {new RealNumber(8.0), new RealNumber(8.0), new RealNumber(10.0)},
new[] {new RealNumber(10.0), new RealNumber(12.0), new RealNumber(12.0)},
};
var matrix = new Matrix(values);
var multiplier = new RealNumber(-0.5);
var results = new[]
{
new[] {new RealNumber(-1.0), new RealNumber(-1.0), new RealNumber(-2.0)},
new[] {new RealNumber(-2.0), new RealNumber(-3.0), new RealNumber(-3.0)},
new[] {new RealNumber(-4.0), new RealNumber(-4.0), new RealNumber(-5.0)},
new[] {new RealNumber(-5.0), new RealNumber(-6.0), new RealNumber(-6.0)},
};
var result = matrix.Mul(multiplier);
for (int i = 0; i < matrix.Rows; i++)
for (int j = 0; j < matrix.Columns; j++)
Assert.That(result[i, j].GetMod().X, Is.EqualTo(results[i][j].GetMod().X));
}
