public void GenerateTest2()
{
Accord.Math.Tools.SetupGenerator(0);
var normal = new MultivariateNormalDistribution(
new double[] { 2, 6 },
new double[,] { { 2, 1 }, { 1, 5 } });
double[][] sample = new double[1000000][];
for (int i = 0; i < sample.Length; i++)
sample[i] = normal.Generate();
double[] mean = sample.Mean(dimension: 0);
double[][] cov = sample.Covariance(dimension: 0);
Assert.AreEqual(2, mean[0], 1e-2);
Assert.AreEqual(6, mean[1], 1e-2);
Assert.AreEqual(2, cov[0][0], 1e-2);
Assert.AreEqual(1, cov[0][1], 1e-2);
Assert.AreEqual(1, cov[1][0], 1e-2);
Assert.AreEqual(5, cov[1][1], 2e-2);
}