public static double method_half(double A, double B, double e, Polinom p)
{
double result;
do
{
result = (A + B) / 2;
if (p.ResultInPoint(result) * p.ResultInPoint(A) < 0)
{
B = result;
}
else
{
A = result;
}
}while (Math.Abs(A - B) >= e);
return(result);
}
public static double method_chord(double A, double B, double e, Polinom p)
{
double result = 0;
do
{
result = A - p.ResultInPoint(A) / (p.ResultInPoint(B) - p.ResultInPoint(A)) * (B - A);
if (p.ResultInPoint(result) * p.ResultInPoint(A) > 0)
{
A = result;
}
else
{
B = result;
}
}while (Math.Abs(result) >= e);
return(result);
}
public static double method_tangent(double A, double B, double e, Polinom p)
{
double result;
Polinom d = p.Differential();
Polinom d2 = d.Differential();
if (p.ResultInPoint(A) * d.ResultInPoint(A) > 0)
{
result = A;
}
else
{
result = B;
}
do
{
result = result - p.ResultInPoint(result) / d.ResultInPoint(result);
}while (Math.Abs(p.ResultInPoint(result)) >= e);
return(result);
}
