private void explicitMethod(uint approximation, funcPointer func, configurationAxisMethod cnf)
{
double yn = 0;
double yn1 = 0;
int tableBegin = 0;
for (double i = cnf.x1; i < cnf.x2; i += cnf.h)
{
dataGridView1.Rows[tableBegin].Cells[(int)approximation + explicitOffset].Value = yn;
yn1 = yn + cnf.h * func(yn, i);
yn = yn1;
tableBegin++;
}
}
private void implicitMethod(uint approximation, funcPointer func, configurationAxisMethod cnf)
{
double yn = 0;
double yn1 = 0;
int tableBegin = 0;
double x1 = cnf.x1;
double x2 = cnf.x2;
double h = cnf.h;
for (double i = cnf.x1; i < cnf.x2; i += cnf.h)
{
dataGridView1.Rows[tableBegin].Cells[(int)approximation + implictOffset].Value = yn;
yn1 = 1 / (2 * h) - Math.Sqrt(1 / (4 * h * h) - yn / h - Math.Pow(i + h, 2));
yn = yn1;
tableBegin++;
}
}
private void pikardMethod(funcPointerPoly func, uint approximation, configurationAxisMethod cnf)
{
string resStringOfPolynoms = "";
// initialize polynom
List <double> list1 = new List <double>(1)
{
0
};
Polynomial poly1 = new Polynomial(list1);
//poly1.printPolynomial();
resStringOfPolynoms += poly1.printPolynomial() + " == Это первый полином" + Environment.NewLine;
List <double> list2 = new List <double>(2)
{
1, 0
};
Polynomial poly2 = new Polynomial(list2);
resStringOfPolynoms += poly2.printPolynomial() + " == Это второй полином" + Environment.NewLine;
textBox1.Text = resStringOfPolynoms;
Polynomial resPoly;
for (uint i = 0; i <= approximation; i++)
{
resPoly = func(poly1, poly2);
resPoly.integrate();
resPoly.printPolynomial();
poly1 = (Polynomial)resPoly.Clone();
int begin = 0;
for (double j = cnf.x1; j < cnf.x2; j += cnf.h)
{
double res = resPoly.computeResult(j, false);
dataGridView1.Rows[begin].HeaderCell.Value = j.ToString();
dataGridView1.Rows[begin].Cells[(int)i].Value = res;
begin++;
}
}
}
private void button1_Click(object sender, EventArgs e)
{
double x1 = 0;
double x2 = 4;
double h = 1e-3;
uint approximation = 9;
int tableHeight = (int)((x2 - x1) / h);
int tableWidth = 3 + (int)approximation;
dataGridView1.RowCount = tableHeight + 1;
dataGridView1.ColumnCount = tableWidth;
fillTable(approximation);
funcPointerPoly funcPoly = testFunctionPoly;
funcPointer func = testFunction;
List <double> list1 = new List <double>(1)
{
0
};
List <double> list2 = new List <double>(2)
{
1, 0
};
configurationAxisMethod config = new configurationAxisMethod(x1, x2, h);
pikardMethod(funcPoly, approximation, config);
explicitMethod(approximation, func, config);
implicitMethod(approximation, func, config);
Polynomial poly = new Polynomial(list2);
string res = poly.printPolynomial();
//textBox1.Text = res;
}