public static void TestSymbolism()
{
// Create some constants.
ComputerAlgebra.Expression A = 2;
ComputerAlgebra.Constant B = ComputerAlgebra.Constant.New(3);
// Create some variables.
ComputerAlgebra.Expression x = "x";
Variable y = Variable.New("y");
// Create basic expression with operator overloads.
ComputerAlgebra.Expression f = A * x + B * y + 4;
// This expression uses the implicit conversion from string to
// Expression, which parses the string.
ComputerAlgebra.Expression g = "5*x + C*y + 8";
// Create a system of equations from the above expressions.
var system = new List <Equal>()
{
Equal.New(f, 0),
Equal.New(g, 0),
};
// We can now solve the system of equations for x and y. Since the
// equations have a variable 'C', the solutions will not be
// constants.
List <Arrow> solutions = system.Solve(x, y);
Debug.WriteLine("The solutions are:");
foreach (Arrow i in solutions)
{
Debug.WriteLine(i.ToString());
}
}
protected override string VisitConstant(Constant C)
{
return(C.Value.ToString(NumberFormat, NumberFormatProvider));
}
