public LinkedList <string[]> solucion()
{
double ValStarta = evaluator.EvalVar(ValStarta1);
double ValStartb = evaluator.EvalVar(ValStartb1);
double pm;
double fa;
double fb;
double fpm;
int it = 0;
LinkedList <string[]> Resultado = new LinkedList <string[]>();
do
{
pm = ValStarta + ((ValStartb - ValStarta) / 2);
fa = evaluator.EvalFunction(Expresion, ValStarta);
fb = evaluator.EvalFunction(Expresion, ValStartb);
fpm = evaluator.EvalFunction(Expresion, pm);
//data.Rows.Add(it, ValStarta, ValStartb, pm, fa, fb, fpm); saludos
string[] IterationVals = new string[7];
IterationVals[0] = Convert.ToString(it);
IterationVals[1] = Convert.ToString(ValStarta);
IterationVals[2] = Convert.ToString(ValStartb);
IterationVals[3] = Convert.ToString(pm);
IterationVals[4] = Convert.ToString(fa);
IterationVals[5] = Convert.ToString(fb);
IterationVals[6] = Convert.ToString(fpm);
Resultado.AddLast(IterationVals);
if (fpm * fa < 0)
{
ValStartb = pm;
}
else if (fpm * fb < 0)
{
ValStarta = pm;
}
else
{
pm = -1;
break;
}
it++;
} while (it <= Iteration && Tolerance < Math.Abs(((ValStartb - ValStarta) / 2)));
Root = pm;
return(Resultado);
}
public LinkedList <string[]> solucion()
{
int it = 2;
double q = 0;
double q0 = 0;
double q1 = 0;
double p0 = evaluator.EvalVar(ValStarta);
double P;
double p1 = evaluator.EvalVar(ValStartb);
LinkedList <string[]> Resultado = new LinkedList <string[]>();
string[] IterationVals = new string[3];
q0 = evaluator.EvalFunction(Expresion, p0);
q1 = evaluator.EvalFunction(Expresion, p1);
do
{
P = p1 - q1 * (p1 - p0) / (q1 - q0);
IterationVals = new string[3];
IterationVals[0] = Convert.ToString(it);
IterationVals[1] = Convert.ToString(P);
IterationVals[2] = Convert.ToString(Math.Abs(P - p1));
Resultado.AddLast(IterationVals);
it++;
q = evaluator.EvalFunction(Expresion, P);
if (q - q1 < 0)
{
p0 = p1;
q0 = q1;
}
p1 = P;
q1 = q;
} while (it <= Iteration && Math.Abs(P - p1) < Tolerance);
Root = P;
return(Resultado);
}
public LinkedList <string[]> solucion()
{
int it = 1;
double x = evaluator.EvalVar(ValStarta);
double aux = 0;
double fx = 0;
double dfx = 0;
LinkedList <string[]> Resultado = new LinkedList <string[]>();
string[] IterationVals = new string[6];
do
{
aux = x;
fx = evaluator.EvalFunction(Expresion, x);
dfx = evaluator.EvalFunction(Derivate, x);
x = Math.Round(x - (fx / dfx), 7);
IterationVals = new string[6];
//Falta clase para separar datos
IterationVals[0] = Convert.ToString(it);
IterationVals[4] = Convert.ToString(x);
IterationVals[1] = Convert.ToString(aux);
IterationVals[2] = Convert.ToString(fx);
IterationVals[3] = Convert.ToString(dfx);
IterationVals[5] = Convert.ToString(aux - x);
Resultado.AddLast(IterationVals);
it++;
} while (it <= Iteration && Math.Abs(aux - x) > Tolerance);
Root = x;
return(Resultado);
}