private bool setRows()
{
int cont = 0;
x0 = a;
while (true)
{
// MessageBox.Show(x0.ToString());
fx0 = FUNCTIONS.getImage(x0);
// MessageBox.Show(fx0.ToString());
fdx0 = RAPHSON.getFunctionDerivate(x0);
// MessageBox.Show(fdx0.ToString());
this.detx = fx0 / fdx0;
//MessageBox.Show(detx.ToString());
xn = x0 - detx;
// MessageBox.Show(xn.ToString());
fxn = FUNCTIONS.getImage(xn);
// MessageBox.Show(fxn.ToString());
tabla.Rows.Add(x0, fx0, fdx0, detx, xn, fxn);
if (Math.Abs(detx) <= tolerancy)
{
return(true);
}
x0 = xn;
cont++;
if (cont > 100000)
{
msgbox.error("Desbordamiento!");
return(true);
}
}
}
private bool setRows()
{
bool flag = false;
double c = 0;
string ttol;
fa = FUNCTIONS.getImage(a);
fb = FUNCTIONS.getImage(b);
if (!((fa < 0 && fb > 0) || (fb < 0 && fa > 0)))
{
MessageBox.Show("No existe cambio de signo!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
flag = false;
return(flag);
}
while (true)
{
c = (b - a) / 2;
xn = a + c;
fxn = FUNCTIONS.getImage(xn);
if (Math.Abs(c) <= tolerancy)
{
ttol = "CUMPLIDA";
flag = true;
}
else
{
ttol = "NO CUMPLIDA";
}
try
{
this.tabla.Rows.Add(a, b, c, xn, fxn, ttol);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
asignLimits(fxn);
if (flag)
{
break;
}
}
return(flag);
}
private bool setRow()
{
bool rule = false;
if (a < b)
{
rule = false;
}
else if (a > b)
{
rule = true;
}
this.fa = FUNCTIONS.getImage(a);
this.fb = FUNCTIONS.getImage(b);
MessageBox.Show(fa.ToString());
MessageBox.Show(fb.ToString());
if (!((fa > 0 && fb < 0) || (fb > 0 && fa < 0)))
{
MessageBox.Show("No existe un cambio de signo!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return(false);
}
while (true)
{
this.fa = FUNCTIONS.getImage(a);
this.fb = FUNCTIONS.getImage(b);
this.deltx = (fa) * (b - a) / (Math.Abs(fa) + Math.Abs(fb));
if (rule)
{
convertNegative(ref deltx);
}
else
{
convertPositive(ref deltx);
}
xn = a + deltx;
fxn = FUNCTIONS.getImage(xn);
this.tabla.Rows.Add(a, b, fa, fb, deltx, xn, fxn);
if (Math.Abs(deltx) <= tolerancy)
{
return(true);
}
a = xn;
}
}