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109年 - 109 國立中山大學_碩士班招生考試_資工系(甲組):離散數學#105758
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(b) If the graph
has 72 edges, what is m?
其他申論題
(a) each summand must appear an even number of times;
#450106
(b) each summand must be even.
#450107
7. If ,n ≥ 0, is the unique solution of the recurrence relation = 0, and a2 = 156/77, = 1628/6336, what is d?
#450108
8. (a) How many vertices and how many edges are there in the complete bipartite graphs , where m,n ∈ Z⁺.
#450109
9. For a, b,n ∈ Z⁺ and n > 1, prove that a ≡ b (mod n) gcd(a,n) = gcd(b,n).
#450111
1.All circulant matrices are made diagonal by the Discrete Fourier Transform (DFT), regardless of the generating vector x.
#450112
2..DFT matrix is not a kind of symmetric matrix.
#450113
3. DFT matrix is an unitary matrix.
#450114
4.The DFT is a linear transform.
#450115
5. The orthogonality is not the property of the DFT matrix.
#450116