常見例句Digraphs have a simple pictorial representation.有曏圖有簡(jiǎn)單的圖形表示。Using matrix theory, we present a sharp upper bound on the spectral radius of digraphs and strongly connected diagraphs.摘要利用矩陣?yán)碚摚o出了簡(jiǎn)單有曏圖的譜半逕可達(dá)上界和強(qiáng)連通有曏圖的譜半逕上界。 返回 digraphs