float[] X = new float[] { 1,3,8 }; float[] Y = new float[] {

float[] X = new float[] { 1,3,8 }; float[] Y = new float[] { 4,6,16 }; int i = 0; float ki;
do
{
ki = (Y[i + 1] - Y[i]) / (X[i + 1] - X[i]);
Console.WriteLine("ki={0}",ki);
i++;
}
while (i