/// <summary>
/// Вычисления корней в обработчике
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void InHandler_Click(object sender, EventArgs e)
{
if (TextA.Text != "" && TextB.Text != "" && TextC.Text != "" &&
TextA.Text != "-" && TextB.Text != "-" && TextC.Text != "-" &&
TextA.Text != "+" && TextB.Text != "+" && TextC.Text != "+" &&
TextA.Text != "," && TextB.Text != "," && TextC.Text != ",")
{
double D, X1, X2, a, b, c;
a = double.Parse(TextA.Text);
b = double.Parse(TextB.Text);
c = double.Parse(TextC.Text);
D = b * b - 4 * a * c;
if (D >= 0)
{
X1 = (-1 * b + Math.Sqrt(D)) / (2 * a);
X2 = (-1 * b - Math.Sqrt(D)) / (2 * a);
TextX1.Text = X1.ToString("F4");
TextX2.Text = X2.ToString("F4");
}
else
{
string comp_x1, comp_x2;
comp_x1 = (-1 * b / (2 * a)).ToString("F4") + "+" +
(Math.Sqrt(-1 * D) / (2 * a)).ToString("F4") + "i";
comp_x2 = (-1 * b / (2 * a)).ToString("F4") + "-" +
(Math.Sqrt(-1 * D) / (2 * a)).ToString("F4") + "i";
TextX1.Text = comp_x1;
TextX2.Text = comp_x2;
}
}
else
{
Error.Text = "Ошибка, не все поля заполнены! \nЛибо неверный формат вводимых данных!";
}
}
static void Main(string[] args)
{
for (int k = 0; k < 4; k++)
{
double A, B, C, delta, X1, X2;
string[] s = Console.ReadLine().Split(' ');
A = double.Parse(s[0]);
B = double.Parse(s[1]);
C = double.Parse(s[2]);
if (A == 0)
{
Console.WriteLine("Impossivel calcular");
}
else
{
delta = Math.Pow(B, 2.0) - (4.0 * A * C);
if (delta < 0)
{
Console.WriteLine("Impossivel calcular");
}
else
{
X1 = (-B + Math.Sqrt(delta)) / (2.0 * A);
X2 = (-B - Math.Sqrt(delta)) / (2.0 * A);
Console.WriteLine("X1 = " + X1.ToString("F5"));
Console.WriteLine("X2 = " + X2.ToString("F5"));
}
}
Console.WriteLine();
}
}
public override void WriteGroupCodes()
{
int flags;
WriteGroupCodeValue(10, X0.ToString().Trim());
WriteGroupCodeValue(20, Y0.ToString().Trim());
WriteGroupCodeValue(30, Z0.ToString().Trim());
WriteGroupCodeValue(11, X1.ToString().Trim());
WriteGroupCodeValue(21, Y1.ToString().Trim());
WriteGroupCodeValue(31, Z1.ToString().Trim());
WriteGroupCodeValue(12, X2.ToString().Trim());
WriteGroupCodeValue(22, Y2.ToString().Trim());
WriteGroupCodeValue(32, Z2.ToString().Trim());
WriteGroupCodeValue(13, X3.ToString().Trim());
WriteGroupCodeValue(23, Y3.ToString().Trim());
WriteGroupCodeValue(33, Z3.ToString().Trim());
flags = 0;
if(Edge1Invisible) flags += 1;
if(Edge2Invisible) flags += 2;
if(Edge3Invisible) flags += 4;
if(Edge4Invisible) flags += 8;
WriteGroupCodeValue(70, flags.ToString().Trim());
}
public static void SaveLog(int itemIndex, string runResult)
{
//创建文件夹
if (!Directory.Exists(logDir))
{
Directory.CreateDirectory(logDir);
}
var lineVals = new List <string>
{
DateTime.Now.ToString("HH:mm:ss"), X1.ToString("f3"), X2.ToString("f3"), Y1.ToString("f3"),
Y2.ToString("f3"), angle.ToString("f3"),
runResult, itemIndex.ToString(), " ", X1_pixel.ToString("f3"), X2_pixel.ToString("f3"),
Y1_pixel.ToString("f3"), Y2_pixel.ToString("f3"),
angleUncalib.ToString("f3")
};
var line = string.Join(",", lineVals);
try
{
csvFile = dataLogger.WriteLine(line);
}
catch
{
MessageBox.Show("请关闭所有CCD软件产生的文档");
}
removeOutdatedFiles(logDir);
}
public override IEnumerable <SvgAttribute> GetAttributes()
{
var baseAttributes = base.GetAttributes();
if (baseAttributes != null)
{
foreach (var attr in baseAttributes)
{
yield return(attr);
}
}
var ci = CultureInfo.InvariantCulture;
yield return(new SvgAttribute("x1", "0",
() => X1.ToString(ci),
v => X1 = SvgAttribute.ParseFloatAttribute(v)
));
yield return(new SvgAttribute("y1", "0",
() => Y1.ToString(ci),
v => Y1 = SvgAttribute.ParseFloatAttribute(v)
));
yield return(new SvgAttribute("x2", "0",
() => X2.ToString(ci),
v => X2 = SvgAttribute.ParseFloatAttribute(v)
));
yield return(new SvgAttribute("y2", "0",
() => Y2.ToString(ci),
v => Y2 = SvgAttribute.ParseFloatAttribute(v)
));
yield return(new SvgAttribute("stroke-width",
() => StrokeWidth.ToString(ci),
v => StrokeWidth = SvgAttribute.ParseFloatAttribute(v)
));
yield return(new SvgAttribute("stroke",
() => Stroke == Color.Empty ? "none" : ColorTranslator.ToSvg(Stroke),
v => Stroke = SvgAttribute.ParseColorAttribute(v, Stroke.A)
));
yield return(new SvgAttribute("stroke-opacity", "1",
() => ((double)Stroke.A / 255).ToString(ci),
v => Stroke = SvgAttribute.ParseOpacityAttribute(v, Stroke)
));
yield return(new SvgAttribute("stroke-dashoffset",
() => StrokeDashOffset.ToString(ci),
v => StrokeDashOffset = SvgAttribute.ParseFloatAttribute(v)
));
yield return(new SvgAttribute("stroke-dasharray",
() => DashArrayToString(),
v => StrokeDashArray = SvgAttribute.ParseFloatArray(v)
));
}
/// <summary>
/// Return a string representation of this object.
/// </summary>
public override String ToString()
{
return(String.Format("Line2D: X1={0}, Y1={1}, X2={2}, Y2={3}",
X1.ToString(),
Y1.ToString(),
X2.ToString(),
Y2.ToString()));
}
public override string ToString()
{
string str = "{X1:" + X1.ToString()
+ ", X2:" + X2.ToString()
+ ", Y:" + Y.ToString()
+ ", Z:" + Z.ToString() + "}";
return("GSA Offset " + str);
}
private void LastExecutedCommand()
{
TbMR2n.Text = N.ToString();
TbMR2x.Text = X1.ToString();
TbMR2y.Text = Y1.ToString();
TbMR2t.Text = T1.ToString();
TbMR2g.Text = G1.ToString();
TbMR2l.Text = L1.ToString();
}
public XElement ToXml(string name)
{
return(new XElement(name,
new XAttribute("R0", R0.ToString(CultureInfo.InvariantCulture)),
new XAttribute("R1", R1.ToString(CultureInfo.InvariantCulture)),
new XAttribute("X0", X0.ToString(CultureInfo.InvariantCulture)),
new XAttribute("X1", X1.ToString(CultureInfo.InvariantCulture))
));
}
public override void WriteGroupCodes()
{
WriteGroupCodeValue(10, X0.ToString().Trim());
WriteGroupCodeValue(20, Y0.ToString().Trim());
WriteGroupCodeValue(30, Z0.ToString().Trim());
WriteGroupCodeValue(11, X1.ToString().Trim());
WriteGroupCodeValue(21, Y1.ToString().Trim());
WriteGroupCodeValue(31, Z1.ToString().Trim());
}
}//Separamos todos los valores de las X y el lado derecho
private void Paso2(ListBox ltbSalida, PictureBox cuadro, ListBox ltbSalida2, TextBox txtResultado4)
{
for (int i = 0; i < ltsGrafos.N; i++)
{
ltsGrafos.mostrarPosicion(i, out object X1, out object X2, out object ld);
ltsGrafosCoordenadas.insertatFin(Dividir(ld.ToString(), X1.ToString()), Dividir(ld.ToString(), X2.ToString()), 0);
}
ltsGrafosCoordenadas.mostrar(ltbSalida);
Paso3(cuadro, ltbSalida2, txtResultado4);
}
public override string ToString()
{
string str = System.Environment.NewLine
+ "X1: " + X1.ToString()
+ ", X2: " + X2.ToString()
+ ", Y: " + Y.ToString()
+ ", Z: " + Z.ToString();
return("GSA Offset" + str);
}
public override string ToString()
{
string str = "";
str += X1.ToString() + "\n";
str += X2.ToString() + "\n";
str += X3.ToString() + "\n";
str += $"Area = {Area.ToString("f3")}\nPerimetr = {Perimetr.ToString("f3")}\n";
return(str);
}
public void ImprimeValores()
{
if (A == 0 || (B * B - 4 * A * C < 0))
{
Console.WriteLine("Impossível Calcular");
}
else
{
X1 = (-B + Math.Sqrt(B * B - 4 * A * C)) / (2 * A);
X2 = (-B - Math.Sqrt(B * B - 4 * A * C)) / (2 * A);
Console.WriteLine("X1 = " + X1.ToString("F5", CultureInfo.InvariantCulture));
Console.WriteLine("X2 = " + X2.ToString("F5", CultureInfo.InvariantCulture));
}
}
private bool ParseMoveByte_CheckForEmpty(byte[] move)
{
bool check = true;
if (move == Constants.CMD_EMPTY_DATA)
{
check = false;
}
X1 = Convert.ToInt32(move[1]);
Y1 = (Convert.ToInt32(move[2]));
X2 = (Convert.ToInt32(move[3]));
Y2 = Convert.ToInt32(move[4]);
Console.WriteLine(X1.ToString() + " " + Y1.ToString() + " " +
X2.ToString() + " " + Y2.ToString());
return(check);
}
public override string ToString()
{
StringBuilder sb = new StringBuilder();
sb.Append("SinuousFaultGene [");
sb.AppendFormat("\n X0 = {0}", X0.ToString());
sb.AppendFormat("\n Y0 = {0}", Y0.ToString());
sb.AppendFormat("\n Phi0 = {0}", Phi0.ToString());
sb.AppendFormat("\n X1 = {0}", X1.ToString());
sb.AppendFormat("\n Y1 = {0}", Y1.ToString());
sb.AppendFormat("\n Phi1 = {0}", Phi1.ToString());
sb.AppendFormat("\n DetachDepth = {0}", DetachDepth.ToString());
sb.AppendFormat("\n MaxHeave = {0}", MaxHeave.ToString());
sb.AppendFormat("\n Dip = {0}", Dip.ToString());
sb.Append("\n ]\n");
return(sb.ToString());
}
public override void WriteGroupCodes()
{
WriteGroupCodeValue(10, X0.ToString().Trim());
WriteGroupCodeValue(20, Y0.ToString().Trim());
WriteGroupCodeValue(30, Z0.ToString().Trim());
WriteGroupCodeValue(11, X1.ToString().Trim());
WriteGroupCodeValue(21, Y1.ToString().Trim());
WriteGroupCodeValue(31, Z1.ToString().Trim());
WriteGroupCodeValue(12, X2.ToString().Trim());
WriteGroupCodeValue(22, Y2.ToString().Trim());
WriteGroupCodeValue(32, Z2.ToString().Trim());
WriteGroupCodeValue(13, X3.ToString().Trim());
WriteGroupCodeValue(23, Y3.ToString().Trim());
WriteGroupCodeValue(33, Z3.ToString().Trim());
}
bool WriteFromGRDECL(string file)
{
try
{
using (StreamWriter sw = new StreamWriter(file, true))
{
sw.WriteLine(string.Empty);
sw.WriteLine(grdecl_kw_mapaxes);
sw.WriteLine(X1.ToString() + " " + Y1.ToString() + " " +
X2.ToString() + " " + Y2.ToString() + " " +
X3.ToString() + " " + Y3.ToString() + " /");
}
}
catch (Exception)
{
return(false);
}
return(true);
}
private void button1_Click(object sender, EventArgs e)
{
int A = int.Parse(Value1.Text), B = int.Parse(Value2.Text), C = int.Parse(Value3.Text);
double X1, X2;
double calculation = Math.Pow(B, 2) - 4 * A * C;
if (calculation < 0)
{
X1 = (-B + Math.Sqrt(-calculation)) / (2 * A);
X2 = (-B - Math.Sqrt(-calculation)) / (2 * A);
Result1.Text = X1.ToString() + "i";
Result2.Text = X2.ToString() + "i";
}
else
{
X1 = (-B + Math.Sqrt(calculation)) / (2 * A);
X2 = (-B - Math.Sqrt(calculation)) / (2 * A);
Result1.Text = X1.ToString();
Result2.Text = X2.ToString();
}
}
protected override void WriteDataXML(XElement ele, ElderScrollsPlugin master)
{
XElement subEle;
ele.TryPathTo("Point1/X", true, out subEle);
subEle.Value = X1.ToString();
ele.TryPathTo("Point1/Y", true, out subEle);
subEle.Value = Y1.ToString();
ele.TryPathTo("Point1/Z", true, out subEle);
subEle.Value = Z1.ToString();
ele.TryPathTo("Point2/X", true, out subEle);
subEle.Value = X2.ToString();
ele.TryPathTo("Point2/Y", true, out subEle);
subEle.Value = Y2.ToString();
ele.TryPathTo("Point2/Z", true, out subEle);
subEle.Value = Z2.ToString();
}
public void GetRoot()
{
FindPoint();
Write("Enter Accuracy: ");
this.accuracy = double.Parse(ReadLine());
int step = 1;
double Xo = (pointA + pointB) / 2;
double f;
double _f = this._f(Xo);
double X1;
string update = "";
WriteLine("{0,-5} | {1,10} | {2,10} | {3,10} | {4,10} | {5,10}", "Step", "Xo", "f(Xo)", "f`(Xo)", "X1", "Update");
do
{
f = this.f(Xo);
_f = this._f(Xo);
X1 = Xo - (f / _f);
WriteLine("---------------------------------------------------------------------------------------------------");
WriteLine("{0,-5} | {1,10} | {2,10} | {3,10} | {4,10} | {5,10}",
step++, Xo.ToString("0.00000"),
f.ToString("0.00000"),
_f.ToString("0.00000"),
X1.ToString("0.00000"),
update);
if (this.f(X1) == 0)
{
break;
}
else
{
Xo = X1;
}
}while (this.f(X1) != 0 && Math.Abs(this.f(X1)) >= this.accuracy);
WriteLine();
WriteLine($"Approximate root of the equation 2x^3-5x+25 using Newton Raphson method is " +
$"{X1:0.000000}");
}
static void Main(string[] args)
{
double a, b, c, X1, X2, delta;
string[] vet = Console.ReadLine().Split(' ');
a = double.Parse(vet[0]);
b = double.Parse(vet[1]);
c = double.Parse(vet[2]);
delta = Math.Pow(b, 2.0) - (4.0 * a * c);
if (a == 0 || delta < 0)
{
Console.WriteLine("Impossível calcular");
}
else
{
X1 = (-b + Math.Sqrt(delta)) / (2.0 * a);
X2 = (-b - Math.Sqrt(delta)) / (2.0 * a);
Console.WriteLine("X1 = {0}", X1.ToString("F5"));
Console.WriteLine("X2 = {0}", X2.ToString("F5"));
}
}
/// <summary>
/// Метод класса, отвечающий за вычисления
/// </summary>
/// <param name="a">Первый коэфциент уравнения</param>
/// <param name="b">Второй коэфициент уравнения</param>
/// <param name="c">Третий коэфициент уравнения</param>
/// <returns>Массив строковых представлений корней</returns>
public string[] Result(double a, double b, double c)
{
double D, X1, X2;
string[] res = new string[2];
D = b * b - 4 * a * c;
if (D >= 0)
{
X1 = (-1 * b + Math.Sqrt(D)) / (2 * a);
X2 = (-1 * b - Math.Sqrt(D)) / (2 * a);
res[0] = X1.ToString("F4");
res[1] = X2.ToString("F4");
return(res);
}
else
{
res[0] = (-1 * b / (2 * a)).ToString("F4") + "+" +
(Math.Sqrt(-1 * D) / (2 * a)).ToString("F4") + "i";
res[1] = (-1 * b / (2 * a)).ToString("F4") + "-" +
(Math.Sqrt(-1 * D) / (2 * a)).ToString("F4") + "i";
return(res);
}
}
static void Main(string[] args)
{
double A, B, C, X1, X2, Delta;
string[] vet = Console.ReadLine().Split(' ');
A = double.Parse(vet [0], CultureInfo.InvariantCulture);
B = double.Parse(vet[1], CultureInfo.InvariantCulture);
C = double.Parse(vet[2], CultureInfo.InvariantCulture);
Delta = Math.Pow(B, 2.0) - (4 * A * C);
X1 = (-(B) + Math.Sqrt(Delta)) / (2.0 * A);
X2 = (-(B)-Math.Sqrt(Delta)) / (2.0 * A);
if (Delta < 0 || A == 0)
{
Console.WriteLine("Impossivel calcular");
}
else
{
Console.WriteLine("R1 = " + X1.ToString("F5", CultureInfo.InvariantCulture));
Console.WriteLine("R2 = " + X2.ToString("F5", CultureInfo.InvariantCulture));
}
}
private void buttonAns_Click(object sender, EventArgs e)
{
double a, b, c, X1, X2;
a = double.Parse(textBoxA.Text);
b = double.Parse(textBoxB.Text);
c = double.Parse(textBoxC.Text);
try
{
X1 = -b + Math.Sqrt((Math.Pow(b, 2)) - (4 * a * c));
X1 = X1 / (2 * a);
X2 = -b - Math.Sqrt((Math.Pow(b, 2)) - (4 * a * c));
X2 = X2 / (2 * a);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
X1 = 0.0;
X2 = 0.0;
}
labelAns1.Text = X1.ToString();
labelAns2.Text = X2.ToString();
}
// Tab number 2 ( Equation )
private void buttonAns_Click(object sender, EventArgs e)
{
float a, b, c, X1, X2;
a = float.Parse(textBoxA.Text);
b = float.Parse(textBoxB.Text);
c = float.Parse(textBoxC.Text);
try
{
X1 = -b + (float)Math.Sqrt((Math.Pow(b, 2)) - (4 * a * c)); //Math.Pow retuen double
X1 = X1 / (2 * a);
X2 = -b - (float)Math.Sqrt((Math.Pow(b, 2)) - (4 * a * c));
X2 = X2 / (2 * a);
}
catch (Exception ex) // for when there is a problem in X1 and X2, label would shpw X1=X2=0
{
MessageBox.Show(ex.Message.ToString(), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
X1 = 0;
X2 = 0;
}
labelAns1.Text = X1.ToString();
labelAns2.Text = X2.ToString();
}
private void btnSubmit_Click(object sender, EventArgs e)
{
if (questions.SelectedIndex == 0)
{
if (txtA.Text == "" && txtB.Text == "")
{
txtA.Text = "0.2";
txtB.Text = "0.3";
int row = dataGridView1.Rows.Count;
if (row > 0)
{
table.Rows.Clear();
}
X0 = Convert.ToDouble(txtA.Text);
X1 = Convert.ToDouble(txtB.Text);
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant1(X1) * (X1 - X0)) / (ques.secant1(X1) - (ques.secant1(X0))))));
error = Math.Abs(Xn1 - X1);
for (int i = 0; i < 50; i++)
{
if (string.Format("{0:0.000}", error) != string.Format("{0:0.000}", 0.000))
{
if (i != 0)
{
X0 = X1;
X1 = Xn1;
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant1(X1) * (X1 - X0)) / (ques.secant1(X1) - (ques.secant1(X0))))));
error = Math.Abs(Xn1 - X1);
}
table.Rows.Add((i + 1).ToString(), string.Format("{0:0.000}", X0), string.Format("{0:0.000}", X1), string.Format("{0:0.000}", ques.secant1(X0)), string.Format("{0:0.000}", ques.secant1(X1)), Xn1.ToString(), string.Format("{0:0.000}", error));
}
else
{
break;
}
}
}
else
{
int row = dataGridView1.Rows.Count;
if (row > 0)
{
table.Rows.Clear();
}
X0 = Convert.ToDouble(txtA.Text);
X1 = Convert.ToDouble(txtB.Text);
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant1(X1) * (X1 - X0)) / (ques.secant1(X1) - (ques.secant1(X0))))));
error = Math.Abs(Xn1 - X1);
for (int i = 0; i < 50; i++)
{
if (string.Format("{0:0.000}", error) != string.Format("{0:0.000}", 0.000))
{
if (i != 0)
{
X0 = X1;
X1 = Xn1;
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant1(X1) * (X1 - X0)) / (ques.secant1(X1) - (ques.secant1(X0))))));
error = Math.Abs(Xn1 - X1);
}
table.Rows.Add((i + 1).ToString(), string.Format("{0:0.000}", X0), string.Format("{0:0.000}", X1), string.Format("{0:0.000}", ques.secant1(X0)), string.Format("{0:0.000}", ques.secant1(X1)), Xn1.ToString(), string.Format("{0:0.000}", error));
}
else
{
break;
}
}
}
}
else if (questions.SelectedIndex == 1)
{
if (txtA.Text == "" && txtB.Text == "")
{
txtA.Text = "1.2";
txtB.Text = "1.3";
int row = dataGridView1.Rows.Count;
if (row > 0)
{
table.Rows.Clear();
}
X0 = Convert.ToDouble(txtA.Text);
X1 = Convert.ToDouble(txtB.Text);
MessageBox.Show(X0.ToString());
MessageBox.Show(X1.ToString());
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant2(X1) * (X1 - X0)) / (ques.secant2(X1) - (ques.secant2(X0))))));
error = Math.Abs(Xn1 - X1);
for (int i = 0; i < 50; i++)
{
if (string.Format("{0:0.000}", error) != string.Format("{0:0.000}", 0.000))
{
if (i != 0)
{
X0 = X1;
X1 = Xn1;
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant2(X1) * (X1 - X0)) / (ques.secant2(X1) - (ques.secant2(X0))))));
error = Math.Abs(Xn1 - X1);
}
table.Rows.Add((i + 1).ToString(), string.Format("{0:0.000}", X0), string.Format("{0:0.000}", X1), string.Format("{0:0.000}", ques.secant3(X0)), string.Format("{0:0.000}", ques.secant3(X1)), Xn1.ToString(), string.Format("{0:0.000}", error));
}
else
{
break;
}
}
}
else
{
int row = dataGridView1.Rows.Count;
if (row > 0)
{
table.Rows.Clear();
}
X0 = Convert.ToDouble(txtA.Text);
X1 = Convert.ToDouble(txtB.Text);
MessageBox.Show(X0.ToString());
MessageBox.Show(X1.ToString());
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant2(X1) * (X1 - X0)) / (ques.secant2(X1) - (ques.secant2(X0))))));
error = Math.Abs(Xn1 - X1);
for (int i = 0; i < 50; i++)
{
if (string.Format("{0:0.000}", error) != string.Format("{0:0.000}", 0.000))
{
if (i != 0)
{
X0 = X1;
X1 = Xn1;
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant2(X1) * (X1 - X0)) / (ques.secant2(X1) - (ques.secant2(X0))))));
error = Math.Abs(Xn1 - X1);
}
table.Rows.Add((i + 1).ToString(), string.Format("{0:0.000}", X0), string.Format("{0:0.000}", X1), string.Format("{0:0.000}", ques.secant3(X0)), string.Format("{0:0.000}", ques.secant3(X1)), Xn1.ToString(), string.Format("{0:0.000}", error));
}
else
{
break;
}
}
}
}
else if (questions.SelectedIndex == 2)
{
if (txtA.Text == "" && txtB.Text == "")
{
txtA.Text = "0.2";
txtB.Text = "0.3";
int row = dataGridView1.Rows.Count;
if (row > 0)
{
table.Rows.Clear();
}
X0 = Convert.ToDouble(txtA.Text);
X1 = Convert.ToDouble(txtB.Text);
MessageBox.Show(X0.ToString());
MessageBox.Show(X1.ToString());
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant3(X1) * (X1 - X0)) / (ques.secant3(X1) - (ques.secant3(X0))))));
error = Math.Abs(Xn1 - X1);
for (int i = 0; i < 50; i++)
{
if (string.Format("{0:0.000}", error) != string.Format("{0:0.000}", 0.000))
{
if (i != 0)
{
X0 = X1;
X1 = Xn1;
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant3(X1) * (X1 - X0)) / (ques.secant3(X1) - (ques.secant3(X0))))));
error = Math.Abs(Xn1 - X1);
}
table.Rows.Add((i + 1).ToString(), string.Format("{0:0.000}", X0), string.Format("{0:0.000}", X1), string.Format("{0:0.000}", ques.secant3(X0)), string.Format("{0:0.000}", ques.secant3(X1)), Xn1.ToString(), string.Format("{0:0.000}", error));
}
else
{
break;
}
}
}
else
{
int row = dataGridView1.Rows.Count;
if (row > 0)
{
table.Rows.Clear();
}
X0 = Convert.ToDouble(txtA.Text);
X1 = Convert.ToDouble(txtB.Text);
MessageBox.Show(X0.ToString());
MessageBox.Show(X1.ToString());
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant3(X1) * (X1 - X0)) / (ques.secant3(X1) - (ques.secant3(X0))))));
error = Math.Abs(Xn1 - X1);
for (int i = 0; i < 50; i++)
{
if (string.Format("{0:0.000}", error) != string.Format("{0:0.000}", 0.000))
{
if (i != 0)
{
X0 = X1;
X1 = Xn1;
Xn1 = Convert.ToDouble(string.Format("{0:0.000}", X1 - ((ques.secant3(X1) * (X1 - X0)) / (ques.secant3(X1) - (ques.secant3(X0))))));
error = Math.Abs(Xn1 - X1);
}
table.Rows.Add((i + 1).ToString(), string.Format("{0:0.000}", X0), string.Format("{0:0.000}", X1), string.Format("{0:0.000}", ques.secant3(X0)), string.Format("{0:0.000}", ques.secant3(X1)), Xn1.ToString(), string.Format("{0:0.000}", error));
}
else
{
break;
}
}
}
}
else
{
MessageBox.Show("Select Question First", "Question Error", MessageBoxButtons.OKCancel);
}
}
public string ToString(string format, IFormatProvider provider)
{
return($"X1={X1.ToString(format, provider)} Y1={Y1.ToString(format, provider)} X2={X2.ToString(format, provider)} Y2={Y2.ToString(format, provider)}");
}
/// <summary>
/// Returns the CSS representation of the cubic bezier timing function.
/// </summary>
/// <returns>A string that resembles CSS code.</returns>
public override String ToCss()
{
return FunctionNames.Build(FunctionNames.CubicBezier,
X1.ToString(CultureInfo.InvariantCulture), Y1.ToString(CultureInfo.InvariantCulture),
X2.ToString(CultureInfo.InvariantCulture), Y2.ToString(CultureInfo.InvariantCulture));
}
public override string ToString()
{
return(base.ToString() + "X1=" + X1.ToString() + ";Y1=" + Y1.ToString());
}