public void AddVariablesMul(VariablesMulriplication variablesMulriplication)
{
this._isModified = true;
var temp = variablesMulriplication.ToString();
if (temp == "0" || temp == "")
return;
var v = this.variables.Find(vs => vs.EqualsVariablesWith(variablesMulriplication));
if (v != null)
{
v.Constant += variablesMulriplication.Constant;
}
else
{
if (variablesMulriplication.IsFunction())
{
//this.variables.Add(variablesMulriplication);
//(this + variablesMulriplication.ToFunction()).CopyTo(this);
var func = variablesMulriplication.ToFunction();
if (func.MathFunctions.Count != 0)
{
this.variables.Add(variablesMulriplication);
}
else
{
func.variables.ForEach(vs => this.AddVariablesMul(vs));
}
}
else
{
this.variables.Add(variablesMulriplication);
}
}
}
public Function(VariablesMulriplication v)
{
this._initProperties();
this.AddVariablesMul(v);
}
public Function(VariablesMulriplication[] variables)
{
this._initProperties();
foreach (var v in variables)
{
this.AddVariablesMul(v);
}
}
public override VariablesMulriplication Derivative(string name)
{
VariablesMulriplication newVS = new VariablesMulriplication();
Function e = new Function();
this.variables.ForEach(vs => e.AddVariablesMul(vs.Derivative(name)));
newVS.AddVariable(e);
#warning И без производных
/*if (this.Degree != 1)
{
Function predF = this.Clone() as Function;
predF.Degree--;
newVS.AddVariable(predF);
newVS.Constant *= this.Degree;
}*/
return newVS;
}
private static Function _mul(VariablesMulriplication vars, double d)
{
VariablesMulriplication vars2 = vars.Clone() as VariablesMulriplication;
vars2.Constant *= d;
return new Function(vars2);
}
private static Function _mul(VariablesMulriplication vars1, VariablesMulriplication vars2)
{
List<FunctionElement> vars = new List<FunctionElement>();
vars1.variables.ForEach(v => vars.Add(v.Clone() as FunctionElement));
var d = 1.0;
vars2.variables.ForEach(delegate(FunctionElement v)
{
var temp = vars.Find(v1 => v1.Name.Equals(v.Name));
//if (temp != null)
//{
// temp.Degree += v.Degree;
//}
//else
{
if (v.IsDouble())
{
d *= v.ToDouble();
}
else
{
vars.Add(v.Clone() as FunctionElement);
}
}
});
return new Function(new VariablesMulriplication(vars.ToArray(), d * vars1.Constant * vars2.Constant));
}
private static Function _add(VariablesMulriplication vars1, VariablesMulriplication vars2)
{
List<FunctionElement> vars = new List<FunctionElement>();
vars1.variables.ForEach(v => vars.Add(v.Clone() as FunctionElement));
if (vars1.Equals(vars2))
{
return new Function(new VariablesMulriplication(vars.ToArray(), vars1.Constant + vars2.Constant));
}
List<FunctionElement> vars22 = new List<FunctionElement>();
vars2.variables.ForEach(v => vars22.Add(v.Clone() as FunctionElement));
return new Function(new VariablesMulriplication[]{
new VariablesMulriplication(vars.ToArray(), vars1.Constant),
new VariablesMulriplication(vars22.ToArray(), vars2.Constant)
});
}
public bool EqualsVariablesWith(VariablesMulriplication v)
{
if (this.VarsCount != v.VarsCount)
return false;
for (int i = 0; i < v.variables.Count; i++)
{
if (!this.variables.Exists(vs => vs.Equals(v.variables[i])))
{
return false;
}
}
for (int i = 0; i < this.variables.Count; i++)
{
if (!v.variables.Exists(vs => vs.Equals(this.variables[i])))
{
return false;
}
}
return true;
}
