April 2014
Beginner to intermediate
830 pages
15h 21m
Chinese
Content preview from Mathematica 錦囊妙計
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3.14 以 Combinatorica` 套件建立圖（Graph）
|
135
如果你的圖有某種規律，可使用
MakeGraph
指令建立。
討論說明
你也可以由既有圖建構新圖，指令為
GraphUnion
、
GraphIntersection
、
GraphDifference
、
GraphProduct
與
GraphJoin
等，以下範例將逐一介紹，範例中僅使用二個圖進行運算，
但實際上也支援多圖運算。
GraphUnion
指令將以聯集動作建立互斥圖（disjoint graph）。[Page-136]
ch03.indd 135 2014/4/7 下午 12:21:15
136
|
第三章
GraphJoin
指令也是以聯集動作建立圖，但會將兩圖的每個點進行連接。
GraphIntersection
指令只能夠針對相同點數的圖進行交集，且僅保留兩圖都有的邊。
GraphDifference
指令所輸出的圖包含第一張圖的邊再刪去第二張圖的邊。[Page-137]
ch03.indd 136 2014/4/2 上午 05:19:29
3.14 以 Combinatorica` 套件建立圖（Graph）
|
137
GraphProduct
指令將第一張圖注入第二張圖的每個點，並根據第二張圖將對應邊連結。
與數值乘積不同地，
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.