public static Polinom operator -(Polinom arg1, Polinom arg2)
{
int n = 0;
int k = 0;
if (arg1.coeficients.Length > arg2.coeficients.Length)
{
n = arg2.coeficients.Length;
k = -1;
Array.Resize(ref arg2.coeficients, arg1.coeficients.Length);
}
if (arg1.coeficients.Length < arg2.coeficients.Length)
{
n = arg1.coeficients.Length;
k = 1;
Array.Resize(ref arg1.coeficients, arg2.coeficients.Length);
}
Polinom substraction = new Polinom(arg2.coeficients.Length);
for (int i = 0; i < arg2.coeficients.Length; i++)
{
substraction[i] = arg1[i] - arg2[i];
}
if (k == -1)
{
Array.Resize(ref arg2.coeficients, n);
}
if (k == 1)
{
Array.Resize(ref arg1.coeficients, n);
}
return(substraction);
}
public static Polinom operator *(Polinom polynom1, Polinom polynom2)
{
Polinom multiplication = new Polinom(polynom1.coeficients.Length + polynom2.coeficients.Length - 1);
for (int i = 0; i < polynom1.coeficients.Length; ++i)
{
for (int j = 0; j < polynom2.coeficients.Length; ++j)
{
multiplication[i + j] += polynom1.coeficients[i] * polynom2.coeficients[j];
}
}
return(multiplication);
}
static void Main(string[] args)
{
Polinom first = new Polinom(3);
first.Putcoefs(new int[] { 1, -2, 3 });
Console.WriteLine(first);
Polinom second = new Polinom(3);
second.Putcoefs(new int[] { 1, 2, 3 });
// Polinom sum = first + second;
//sum.Showpolinom();
//Polinom substract = first - second;
//substract.Showpolinom();
Polinom multiplication = first * second;
// Console.WriteLine("enter a power of what coef you want to know");
//int n = Convert.ToInt32(Console.ReadLine());
//Console.WriteLine( first.Getcoefs(n) );
}