public Term Clone()
{
Term f = new Term ();
f.coefficient = coefficient;
foreach (var variable in Variables) {
f.Variables.Add (variable.Key, variable.Value);
}
return f;
}
/// <summary>
/// Adds a term.
/// eg. {2, x^2}, {4} + {-3, y}
/// </summary>
/// <param name="f">the term to be added.</param>
public void Add(Term term)
{
foreach (var t in Terms) {
if (t.VariablesToString ().Equals (term.VariablesToString ())) {
t.Coefficient += term.Coefficient;
return;
}
}
Terms.Add (term);
}
/// <summary>
/// Divides by a Term result is stored in current term.
/// eg (2x / 3y)
/// </summary>
/// <param name="f">The term to be devided.</param>
public void Divide(Term f)
{
Coefficient /= f.Coefficient;
if (Coefficient == 0) {
Variables = new SortedDictionary<string, decimal> ();
return;
}
foreach (var variable in f.Variables)
AddVariable (variable.Key, variable.Value * -1);
}
public Term(Term f)
{
Multiply (f);
}
public Factor(Term term)
{
Terms.Add (term);
}
/// <summary>
/// Substracts a term.
/// eg. {2, x^2}, {4} - {-3, y}
/// </summary>
/// <param name="term">The term to be substracted.</param>
public void Subtract(Term term)
{
term.Coefficient *= -1;
Add (term);
}
/// <summary>
/// Multiply a Factor by a Term.
/// eg. (2x) * (2x + 3y)
/// </summary>
/// <param name="term">The term to be multiplied.</param>
public void Multiply(Term term)
{
foreach (var factor in Terms) {
factor.Multiply (term);
}
}
/// <summary>
/// Divide by a term.
/// eg 2x / (2x + 1)
/// </summary>
/// <param name="term">The term to be devided by.</param>
public void Divide(Term term)
{
Term temp;
foreach (var factor in Terms) {
temp = term.Clone ();
temp.Divide (factor);
factor.Coefficient = temp.Coefficient;
factor.Variables = temp.Variables;
}
}