public static double[][] nactiMatici(String vyzva, double pocetRadkuRealneCislo, double pocetSloupcuRealneCislo) {

        if (pocetSloupcuRealneCislo <= 0 && pocetRadkuRealneCislo <= 0) {
            return new double[0][0];
        }

        System.out.println(vyzva);
        double[][] matice = new double[pocetRadkuRealneCislo][pocetSloupcuRealneCislo];

        double temp;

        for (int i = 0; i < pocetRadkuRealneCislo; i++) {
            for (int j = 0; j < pocetSloupcuRealneCislo; j++) {
                temp = nactiRealneCislo(String.format("Zadej prvek matice [%02d][%02d]:", i, j));
                matice[i][j] = temp;

            }
        }
        return matice;
    }