void vypisMatici(){
        for (int i = 0; i < matice.length; i++) {
            System.out.print("|  ");
            for (int j = 0; j < matice[0].length; j++) {
                System.out.printf("%9.4f ",matice[i][j]); 
            }
            System.out.println("\t|");
        }
    }