private void TestTransponce()
{
MatrixSetUp provider = new MatrixSetUp(5, 3);
double[,] U = provider.U;
double[,] trans = MyMatrix <double> .Transpose(U);
Utils <double> .PrintMatrix(U);
Console.WriteLine("trasponowana:\n");
Utils <double> .PrintMatrix(trans);
}
public ALS(int prodAmount, int d, double reg)
{
this.d = d;
this.reg = reg;
Provider = new MatrixSetUp(prodAmount, d); // give this argument for ALS
SetValues(Provider);
// SetTestVal();
// Set3x3Test();
int usersCount = Ratings.GetLength(0);
int productsConut = Ratings.GetLength(1);
/*
* Console.WriteLine($"testowe dane ratings userxproduct [{usersCount}x{productsConut}]");
*
*
* Console.WriteLine("\n P \n");
* Utils<double>.PrintMatrix(P);
* Console.WriteLine("\n U \n");
* Utils<double>.PrintMatrix(U);
*/
for (int fun = 0; fun < 10; fun++)
{
for (int i = 0; i < iteration; i++)
{
for (int u = 0; u < usersCount; u++) //wazne tylko do u < d potem sie liczy, ale nie wpisuje do U, bo jest za małych rozmiarów ...
{
StepForU(u);
}
for (int p = 0; p < productsConut; p++)
{
StepForP(p);
}
}
ObjectiveFunction.Calculate(Ratings, U, P, d, reg);
}
}
private void SetValues(MatrixSetUp Provider)
{
U = Provider.U;
P = Provider.P;
Ratings = Provider.Ratings;
}
