public void InvertSingular()
{
DoubleMatrix a = new DoubleMatrix(2,2);
a.Invert();
}
public void InvertNotSquare()
{
DoubleMatrix a = new DoubleMatrix(3,2);
a[0,0] = 1;
a[0,1] = 2;
a[1,0] = 3;
a[1,1] = 4;
a[2,0] = 5;
a[2,1] = 6;
a.Invert();
}
public void Invert()
{
DoubleMatrix a = new DoubleMatrix(2,2);
a[0,0] = 2;
a[0,1] = 4;
a[1,0] = 3;
a[1,1] = 7;
a.Invert();
Assert.AreEqual(a[0,0], 3.5, 4e-15);
Assert.AreEqual(a[0,1], -2, 4e-15);
Assert.AreEqual(a[1,0], -1.5, 4e-15);
Assert.AreEqual(a[1,1], 1, 4e-15);
}
