April 2014
Beginner to intermediate
830 pages
15h 21m
Chinese
Content preview from Mathematica 錦囊妙計
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7.6 結合 2D 等值線圖形及 3D 圖形
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293
7.6 結合 2D 等值線圖形及 3D 圖形
問題點
你需在 3D 圖形下方繪出其 2D 的等值線圖形。[Page-295]
解決方案
藉由增加 z 座標，將 2D 等值線圖轉換為 3D 圖形，再使用
Show
指令與 3D 圖形同時繪出。
討論說明
同樣的技巧也可應用於
Plot3D
指令。以下使用較大的
PlotRange
設定，便於觀察等值線
圖形，範例中使用
Opacity
選項設定透明度，使圖形更易於觀察。
ch07.indd 293 2014/4/2 上午 11:52:37
294
|
第七章
[Page-296]
7.7 限制繪圖區域
問題點
你希望限制 3D 曲面圖形的作圖區域。
解決方案
使 用
RegionFunction
選 項 限 制 繪 圖 區 域， 可 搭 配
Plot3D
、
SphericalPlot3D
、
RevolutionPlot3D
及
ParametricPlot3D
等 3D 繪圖指令。
ch07.indd 294 2014/4/2 上午 11:52:38
7.7 限制繪圖區域
|
295
[Page-297]
討論說明
RegionFunction
選項搭配不同繪圖指令，其允許的引數有所不同，詳見表 7-1。
表 7-1 各繪圖指令 RegionFu
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