private void PrintToFile()
{
//Print DFA in File-------------------------------------------------------------------------------------------------
PrintDFA = new string[(NewVertexx * (Alphabet.Length - 1)) + 4];
int index2 = 0;
PrintDFA[index2] = "∑ = {";
for (int i = 0; i < Alphabet.Length - 2; i++)
{
PrintDFA[index2] += Alphabet[i] + ", ";
}
PrintDFA[index2] += Alphabet[Alphabet.Length - 2];
PrintDFA[index2] += "}";
index2++;
PrintDFA[index2] = "Vertex Name = {q0";
for (int i = 1; i < NewVertexx; i++)
{
PrintDFA[index2] += ", q" + i.ToString();
}
PrintDFA[index2] += "}";
index2++;
PrintDFA[index2] = "Final Vertex Name = {";
int Counter = FinalVertexDFA.Count;
foreach (int FinalV in FinalVertexDFA)
{
if (Counter == 1) //Last Home of FinalVertexDFA
{
PrintDFA[index2] += "q" + FinalV.ToString() + "}";
break; // foreach Self be breaken and not necessary this "break;"
}
else
{
PrintDFA[index2] += "q" + FinalV.ToString() + " , ";
Counter--;
}
}
// Print Vector Between Two Vertex
index2++;
PrintDFA[index2] = "All Vector : ";
index2++;
for (int i = 0; i < NewVertexx; i++)
{
for (int j = 0; j < Alphabet.Length - 1; j++)
{
PrintDFA[index2] = " q" + i.ToString() + " Arrow(" + Alphabet[j] + ") q" + (dfaMatris[i, j]).ToString();
index2++;
}
}
}
private void SolveButton_Click(object sender, EventArgs e)
{
const double PRECISION = 0.01;
double InitialX, FinalX, InitialY, FinalY, InitialV, FinalV, A, T;
InitialX = FinalX = InitialY = FinalY = InitialV = FinalV = A = T = 0;
bool hasInitialX, hasFinalX, hasInitialY, hasFinalY, hasInitialV, hasFinalV, hasA, hasT;
hasInitialX = hasFinalX = hasInitialY = hasFinalY = hasInitialV = hasFinalV = hasA = hasT = false;
//get text from text boxes
if (HasText(InitialXTextBox))
{
hasInitialX = true;
InitialX = double.Parse(InitialXTextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(FinalXTextBox))
{
hasFinalX = true;
FinalX = double.Parse(FinalXTextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(InitialYTextBox))
{
hasInitialY = true;
InitialY = double.Parse(InitialYTextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(FinalYTextBox))
{
hasFinalY = true;
FinalY = double.Parse(FinalYTextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(InitialVTextBox))
{
hasInitialV = true;
InitialV = double.Parse(InitialVTextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(FinalVTextBox))
{
hasFinalV = true;
FinalV = double.Parse(FinalVTextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(ATextBox))
{
hasA = true;
A = double.Parse(ATextBox.Text, CultureInfo.InvariantCulture);
}
if (HasText(TTextBox))
{
hasT = true;
T = double.Parse(TTextBox.Text, CultureInfo.InvariantCulture);
}
bool exhausted = false;
bool solvedSomething = false;
while (!exhausted)
{
exhausted = false;
solvedSomething = false;
// if initial x, final x, and velocity exist
// distance, time, velocity
if (!hasFinalX && Convert.ToInt32(hasT) == 1 && (Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasFinalV)) == 1)
{
if (!hasInitialX)
{
InitialX = 0;
InitialXTextBox.Text = InitialX.ToString();
}
if (hasInitialV)
{
FinalX = InitialV * T;
FinalXTextBox.Text = FinalX.ToString();
FinalV = InitialV;
FinalVTextBox.Text = FinalV.ToString();
hasFinalV = true;
}
else if (hasFinalV)
{
FinalX = FinalV * T;
FinalXTextBox.Text = FinalX.ToString();
InitialV = FinalV;
InitialVTextBox.Text = InitialV.ToString();
hasInitialV = true;
}
hasInitialX = true;
hasFinalX = true;
solvedSomething = true;
}
// if 3 of 4 variables exist for equation 1
if (Convert.ToInt32(hasFinalV) + Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasA) + Convert.ToInt32(hasT) == 3)
{
if (!hasFinalV) // solve for final velocity
{
//calculate variable
FinalV = InitialV + A * T;
//set text box to answer
FinalVTextBox.Text = FinalV.ToString();
hasFinalV = true;
solvedSomething = true;
}
else if (!hasInitialV) // solve for intial velocity
{
//calculate variable
InitialV = FinalV - A * T;
//set text box to answer
InitialVTextBox.Text = InitialV.ToString();
hasInitialV = true;
solvedSomething = true;
}
else if (!hasA) // solve for acceleration
{
if (T == 0)
{
MessageBox.Show("Cannot solve for acceleration: time is 0.");
}
else
{
//calculate variable
A = (FinalV - InitialV) / T;
//set text box to answer
ATextBox.Text = A.ToString();
hasA = true;
solvedSomething = true;
}
}
else if (!hasT) // solve for time
{
if (A == 0)
{
MessageBox.Show("Cannot solve for time: acceleration is 0.");
}
else
{
//calculate variable
T = (FinalV - InitialV) / A;
//set text box to answer
TTextBox.Text = T.ToString();
hasT = true;
solvedSomething = true;
}
}
}
else if (Convert.ToInt32(hasFinalV) + Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasA) + Convert.ToInt32(hasT) == 4)
{
if (Math.Abs(FinalV - (InitialV + A * T)) > PRECISION)
{
MessageBox.Show("Values are incorrect.", "Input Validation");
}
}
// if 4 of 5 variables exist for equation 2
if (Convert.ToInt32(hasFinalX) + Convert.ToInt32(hasInitialX) + Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasA) + Convert.ToInt32(hasT) == 4)
{
if (!hasFinalX) // solve for final x position
{
//calculate variable
FinalX = InitialX + InitialV * T + 0.5 * A * Math.Pow(T, 2);
//set text box to answer
FinalXTextBox.Text = FinalX.ToString();
hasFinalX = true;
solvedSomething = true;
}
else if (!hasInitialX) // solve for initial x position
{
//calculate variable
InitialX = FinalX - (InitialV * T + 0.5 * A * Math.Pow(T, 2));
//set text box to answer
InitialXTextBox.Text = InitialX.ToString();
hasInitialX = true;
solvedSomething = true;
}
else if (!hasInitialV) // solve for initial velocity
{
if (T == 0)
{
MessageBox.Show("Cannot solve for initial velocity: time is 0.");
}
else
{
//calculate variable
InitialV = (FinalX - InitialX - 0.5 * A * Math.Pow(T, 2)) / T;
//set text box to answer
InitialVTextBox.Text = InitialV.ToString();
hasInitialV = true;
solvedSomething = true;
}
}
else if (!hasA) // solve for acceleration
{
if (T == 0)
{
MessageBox.Show("Cannot solve for acceleration: time is 0.");
}
else
{
A = 2 * (FinalX - InitialX - InitialV * T) / Math.Pow(T, 2);
ATextBox.Text = A.ToString();
hasA = true;
solvedSomething = true;
}
}
else if (!hasT) // solve for time
{
double a = 0.5 * A;
double b = InitialV;
double c = InitialX - FinalX;
double sqrtpart = (b * b) - (4 * a * c);
double answer1 = ((-1) * b + Math.Sqrt(sqrtpart)) / (2 * a);
double answer2 = ((-1) * b - Math.Sqrt(sqrtpart)) / (2 * a);
if (answer1 >= 0 && answer2 >= 0)
{
TTextBox.Text = answer1.ToString() + " and " + answer2.ToString();
T = answer2;
hasT = true;
solvedSomething = true;
}
else if (answer1 < 0 && answer2 >= 0)
{
TTextBox.Text = answer2.ToString();
T = answer2;
hasT = true;
solvedSomething = true;
}
else if (answer2 < 0 && answer1 >= 0)
{
TTextBox.Text = answer1.ToString();
T = answer1;
hasT = true;
solvedSomething = true;
}
else
{
TTextBox.Text = "Error: Negative time";
}
}
}
else if (Convert.ToInt32(hasFinalX) + Convert.ToInt32(hasInitialX) + Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasA) + Convert.ToInt32(hasT) == 5)
{
if (Math.Abs(FinalX - (InitialX + InitialV * T + 0.5 * A * Math.Pow(T, 2))) > PRECISION)
{
MessageBox.Show("Values are incorrect.", "Input Validation");
}
}
// if 4 of 5 variables exist for equation 3
if (Convert.ToInt32(hasFinalX) + Convert.ToInt32(hasInitialX) + Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasFinalV) + Convert.ToInt32(hasT) == 4)
{
if (!hasFinalX)
{
//calculate variable
FinalX = InitialX + 0.5 * (InitialV + FinalV) * T;
//set text box to answer
FinalXTextBox.Text = FinalX.ToString();
hasFinalX = true;
solvedSomething = true;
}
else if (!hasInitialX)
{
//calculate variable
InitialX = FinalX - 0.5 * (InitialV + FinalV) * T;
//set text box to answer
InitialXTextBox.Text = InitialX.ToString();
hasInitialX = true;
solvedSomething = true;
}
else if (!hasInitialV)
{
if (T == 0)
{
MessageBox.Show("Cannot solve for initial velocity: time is 0.");
}
else
{
//calculate variable
InitialV = 2 * (FinalX - InitialX) / T - FinalV;
//set text box to answer
InitialVTextBox.Text = InitialV.ToString();
hasInitialV = true;
solvedSomething = true;
}
}
else if (!hasFinalV)
{
if (T == 0)
{
MessageBox.Show("Cannot solve for final velocity: time is 0.");
}
else
{
//calculate variable
FinalV = 2 * (FinalX - InitialX) / T - InitialV;
//set text box to answer
FinalVTextBox.Text = FinalV.ToString();
hasFinalV = true;
solvedSomething = true;
}
}
else if (!hasT)
{
if (InitialV + FinalV == 0)
{
MessageBox.Show("Cannot solve for time: the sum of initial velocity and final velocity is 0.");
}
else
{
//calculate variable
T = 2 * (FinalX - InitialX) / (InitialV + FinalV);
//set text box to answer
TTextBox.Text = T.ToString();
hasT = true;
solvedSomething = true;
}
}
}
else if (Convert.ToInt32(hasFinalX) + Convert.ToInt32(hasInitialX) + Convert.ToInt32(hasInitialV) + Convert.ToInt32(hasFinalV) + Convert.ToInt32(hasT) == 5)
{
if (Math.Abs(FinalX - (InitialX + 0.5 * (InitialV + FinalV) * T)) > PRECISION)
{
MessageBox.Show("Values are incorrect.", "Input Validation");
}
}
// if 4 of 5 variables exist for equation 4
if (Convert.ToInt32(hasA) + Convert.ToInt32(hasFinalX) + Convert.ToInt32(hasInitialX) + Convert.ToInt32(hasFinalV) + Convert.ToInt32(hasInitialV) == 4)
{
if (!hasA) // solve for acceleration
{
if (FinalX == InitialX)
{
MessageBox.Show("Cannot solve for acceleration: final x position and initial x position are the same");
}
else
{
//calculate variable
A = 0.5 * (Math.Pow(FinalV, 2) - Math.Pow(InitialV, 2)) / (FinalX - InitialX);
//set text box to answer
ATextBox.Text = A.ToString();
hasA = true;
solvedSomething = true;
}
}
else if (!hasFinalX)
{
if (A == 0)
{
MessageBox.Show("Cannot solve for final x position: acceleration is zero.");
}
else
{
FinalX = (Math.Pow(FinalV, 2) - Math.Pow(InitialV, 2)) / (2 * A) + InitialX;
FinalXTextBox.Text = FinalX.ToString();
hasFinalX = true;
solvedSomething = true;
}
}
else if (!hasInitialX)
{
if (A == 0)
{
MessageBox.Show("Cannot solve for initial x position: acceleration is zero.");
}
else
{
InitialX = FinalX - (Math.Pow(FinalV, 2) - Math.Pow(InitialV, 2)) / (2 * A);
InitialXTextBox.Text = InitialX.ToString();
hasInitialX = true;
solvedSomething = true;
}
}
else if (!hasFinalV)
{
FinalV = Math.Sqrt(2 * A * (FinalX - InitialX) + Math.Pow(InitialV, 2));
FinalVTextBox.Text = FinalV.ToString();
hasFinalV = true;
solvedSomething = true;
}
else if (!hasInitialV)
{
InitialV = Math.Sqrt(Math.Pow(FinalV, 2) - (2 * A * (FinalX - InitialX)));
InitialVTextBox.Text = InitialV.ToString();
hasInitialV = true;
solvedSomething = true;
}
}
else if (Convert.ToInt32(hasA) + Convert.ToInt32(hasFinalX) + Convert.ToInt32(hasInitialX) + Convert.ToInt32(hasFinalV) + Convert.ToInt32(hasInitialV) == 5)
{
if (Math.Abs(2 * A * (FinalX - InitialX) - Math.Pow(FinalV, 2) + Math.Pow(InitialV, 2)) > PRECISION)
{
MessageBox.Show("Values are incorrect.", "Input Validation");
}
}
if (solvedSomething == false) // if we were unable to solve for any variables
{
exhausted = true; // we've exhausted all our options
}
}
MessageBox.Show("Finished solving.");
}
