public void getData(double a1, double a2)
{
double a3 = 0;
dgdView2.DataSource = null;
string time = DateTime.Now.ToLongTimeString();
variables v1 = new variables(time, a1, a2, a3);
xy.Add(v1);
dgdView2.DataSource = xy;
}
private void Solve_Click(object sender, EventArgs e)
{
lblError.Text = "";
double a11 = Convert.ToDouble(t11.Text), a12 = Convert.ToDouble(t12.Text), a13 = Convert.ToDouble(t13.Text);
double a21 = Convert.ToDouble(t21.Text), a22 = Convert.ToDouble(t22.Text), a23 = Convert.ToDouble(t23.Text);
double a31 = Convert.ToDouble(t31.Text), a32 = Convert.ToDouble(t32.Text), a33 = Convert.ToDouble(t33.Text);
double ad11 = ((a22 * a33) - (a23 * a32));
double ad12 = -((a21 * a33) - (a23 * a31));
double ad13 = ((a21 * a32) - (a22 * a31));
double ad21 = -((a12 * a33) - (a32 * a13));
double ad22 = ((a11 * a33) - (a31 * a13));
double ad23 = -((a11 * a32) - (a31 * a12));
double ad31 = ((a12 * a23) - (a13 * a22));
double ad32 = -((a11 * a23) - (a21 * a13));
double ad33 = ((a11 * a22) - (a12 * a21));
double sf1 = a11 * ((a22 * a33) - (a23 * a32));
double sf2 = a12 * ((a21 * a33) - (a23 * a31));
double sf3 = a13 * ((a21 * a32) - (a22 * a31));
double A = sf1 - sf2 + sf3;
double a1 = Convert.ToDouble(t14.Text); double a2 = Convert.ToDouble(t24.Text); double a3 = Convert.ToDouble(t34.Text);
double c11 = ad11; double c12 = ad21; double c13 = ad31;
double c22 = ad22; double c21 = ad12; double c23 = ad32;
double c33 = ad33; double c31 = ad13; double c32 = ad23;
c11 = c11 / A;
c12 = c12 / A;
c13 = c13 / A;
c21 = c21 / A;
c22 = c22 / A;
c23 = c23 / A;
c31 = c31 / A;
c32 = c32 / A;
c33 = c33 / A;
double f1 = (c11 * a1) + (c12 * a2) + (c13 * a3); f1 = Math.Round(f1, 3);
double f2 = (c21 * a1) + (c22 * a2) + (c23 * a3); f2 = Math.Round(f2, 3);
double f3 = (c31 * a1) + (c32 * a2) + (c33 * a3); f3 = Math.Round(f3, 3);
txtX.Text = Convert.ToString(f1);
txtY.Text = Convert.ToString(f2);
txtZ.Text = Convert.ToString(f3);
if (txtX.Text == "NaN" || txtY.Text == "NaN" || txtZ.Text == "NaN")
{
lblError.Text = "If the output is NaN, it means either the equations have no solution or you have enterred a wrong Input";
}
if (chkSave.Checked)
{
string time = DateTime.Now.ToLongTimeString();
variables v1 = new variables(time, f1, f2, f3);
dgdView.DataSource = null;
xyz.Add(v1);
dgdView.DataSource = xyz;
}
}