private static double I(double[][] matrix_pxandy)
{
var px = Lab1.Px(matrix_pxandy);
Lab1.H(px, out var Hx);
var py = Lab1.Py(matrix_pxandy);
Lab1.H(py, out var Hy);
var hXandY = Lab1.HXandY(matrix_pxandy);
var res = Hx + Hy - hXandY;
Console.WriteLine("I(X;Y) = " + Hx + " + " + Hy + " - " + hXandY + " = " + res);
return(res);
}
internal static double[][] PYifX(double[][] pXandY)
{
var result = new double[pXandY.Length][];
var px = Lab1.Px(pXandY);
var precalculated = "";
var calculated = "";
var len = pXandY.Length;
for (var i = 0; i < len; i++)
{
result[i] = new double[len];
for (var j = 0; j < len; j++)
{
var probability = Pxify(pXandY[i][j], px[i]);
precalculated += pXandY[i][j] + " / " + px[i] + "\t";
calculated += Math.Round(probability, 2) + "\t";
result[i][j] = probability;
}
precalculated += "\n";
calculated += "\n";
}
Console.WriteLine("P(Y|X) = ");
for (int i = 0; i < len; i++)
{
for (int j = 0; j < len; j++)
{
Console.Write("\t" + Math.Round(result[i][j], 2));
}
Console.Write("\n");
}
Console.WriteLine("P(Y|X) = \n" + precalculated + "\n=\n" + calculated);
return(result);
}