public double FindSolution(Equation eq, double eps)
{
Console.WriteLine("Binsearch:\n");
Console.WriteLine($"Eps: {eps}");
double a = eq.start, b = eq.end;
Console.WriteLine($"Start: {a}\nEnd: {b}\n");
double x = (a + b) / 2;
double fvalue = eq.function(x);
Console.WriteLine("Initial approximation: " + String.Format("{0:f6}", x) +
" Function value: " + String.Format("{0:f6}", fvalue));
int i = 1;
while (Math.Abs(fvalue) - eps > 0)
{
if (fvalue > 0)
{
b = x;
}
else
{
a = x;
}
x = (a + b) / 2;
// fvalue == eq.function(x) - це зроблено для уникання багатьох перераховувань функції
fvalue = eq.function(x);
Console.WriteLine($"Iteration {i}: " + String.Format("{0:f6}", x) +
" Function value: " + String.Format("{0:f6}", fvalue));
i++;
}
Console.WriteLine("Result: " + String.Format("{0:f6}", x) +
" Function value: " + String.Format("{0:f6}", fvalue));
return(x);
}
static void Main(string[] args)
{
double answer;
string yayornay = "";
do
{
Console.WriteLine("Please enter a left value");
double lh = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Please enter a right value");
double rh = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("Which calculation would you like to perform?(Add, Subtract, Multiply, Power)");
string userInput = Console.ReadLine();
//double left= eq1.Left;
//double right = eq1.Right;
List <Equation> equations = new List <Equation>();
Equation eq1 = new Equation(lh, rh);
if (userInput == "add")
{
answer = eq1.Add();
}
else if (userInput == "subtract")
{
answer = eq1.Subtract();
}
else if (userInput == "multiply")
{
answer = eq1.Multiply();
}
else if (userInput == "power")
{
Console.WriteLine("What would you like to raise the power to?");
int toThePowerOf = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Left or Right");
string leftOrRight = Console.ReadLine().ToLower();
if (leftOrRight == "left")
{
answer = eq1.LeftToThePower(toThePowerOf);
//double power = Equations.LeftToThePower();
}
else if (leftOrRight == "right")
{
answer = eq1.RightToThePower(toThePowerOf);
//Console.WriteLine(Equation.RightToThePower());
}
}
else
{
Console.WriteLine("You suck");
}
equations.Add($"{lh}{rh}+{answer}");
Console.WriteLine("would you like to perform again?(Yes or No)");
yayornay = Console.ReadLine().ToLower();
Console.ReadKey();
} while (yayornay == "yes" || yayornay == "y");
}