public void TestLearn()
{
double[][] inputs = new double[4][] { new double[] { 1, 2 }, new double[] { 1, 3 }, new double[] { 1, 4 }, new double[] { 1, 5 } };
//double[][] inputs = LogisticRegression.ReadInputFromFile("exe1data1.txt");
double[] outputs = new double[] { 1, 1, 1, 0 };
//double[] outputs = LogisticRegression.ReadDataFromFile("
double alpha = 0.03;
double[] theta = new double[] { 1, 1 };
LogisticRegression lr = new LogisticRegression();
double[] newtheta = lr.Learn(inputs, outputs, theta, alpha);
DisplayArray(newtheta);
}