private void DotTest(NMatrix MatA, NMatrix MatB, NMatrix MatC)
{
var MatDot1 = MatA.Dot(MatB);
Assert.True(MatDot1.Invalid);
/*
* 1 2 3 6 5
* 4 5 6 . 4 3
* 2 1
*/
var MatDot2 = MatA.Dot(MatC);
Assert.False(MatDot2.Invalid);
}
private static NMatrix SigmoidNetwork(ref NMatrix X)
{
var W1 = new NMatrix(2, 3,
new double[]
{
0.1, 0.3, 0.5,
0.2, 0.4, 0.6
});
var B1 = new NMatrix(1, 3,
new double[] { 0.1, 0.2, 0.3 });
var A1 = X.Dot(W1).Add(B1);
Console.WriteLine($"A1: {A1.ToString()}");
var Z1 = A1.Map(
(elem) => { return(NMath.Sigmoid(elem)); });
Console.WriteLine($"Z1: {Z1.ToString()}");
var W2 = new NMatrix(3, 2,
new double[]
{
0.1, 0.4,
0.2, 0.5,
0.3, 0.6
});
var B2 = new NMatrix(1, 2,
new double[] { 0.1, 0.2 });
var A2 = Z1.Dot(W2).Add(B2);
Console.WriteLine($"A2: {A2.ToString()}");
var Z2 = A2.Map(
(elem) => { return(NMath.Sigmoid(elem)); });
Console.WriteLine($"Z2: {Z2.ToString()}");
var W3 = new NMatrix(2, 2,
new double[]
{
0.1, 0.3,
0.2, 0.4
});
var B3 = new NMatrix(1, 2,
new double[] { 0.1, 0.2 });
var A3 = Z2.Dot(W3).Add(B3);
Console.WriteLine($"Y(=A3): {A3.ToString()}");
return(A3);
}