private void comboBox1_SelectedIndexChanged(object sender, EventArgs e)
{
yhat = new double[points1.XValues.Count];
line1.Clear();
if (FitModel(points1, ref yhat, out coeffs, comboBox1.SelectedIndex))
{
line1.XValues.Count = points1.XValues.Count;
line1.XValues.Value = points1.XValues.Value;
line1.YValues.Count = points1.XValues.Count;
line1.YValues.Value = yhat;
switch (comboBox1.SelectedIndex)
{
case 0:
tChart1.Header.Text = "y=a*Exp(b*x)\r\na=" + coeffs[0].ToString("0.00") + " b=" + coeffs[1].ToString("0.00"); break;
case 1:
tChart1.Header.Text = "y=ax^b\r\na=" + coeffs[0].ToString("0.00") + " b=" + coeffs[1].ToString("0.00"); break;
case 2:
tChart1.Header.Text = "y=b*ln(x)+a\r\na=" + coeffs[0].ToString("0.00") + " b=" + coeffs[1].ToString("0.00"); break;
}
}
line1.Repaint();
}
