void out()
{
	FILE* file = fopen("data.txt","w");
	TRandom3* random = new TRandom3();

	for (int i = 0; i < 10; i++)
	{
		double x = random->Gaus(0,0.5);	// normální rozdělení, mu = 0, sigma = 0.5
		double y = random->Gaus(2.5,1);	// mu = 2.5, sigma = 1
		fprintf(file,"%f\t%f\n", x, y);
	}
	fclose(file);
}