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Scilabヘルプ >> Graphics > 3d_plot > eval3dp

# eval3dp

3次元パラメータ表現の曲面の小平面を計算

### 呼び出し手順

`[Xf,Yf,Zf]=eval3dp(fun,p1,p2)`

Xf,Yf,Zf

fun

Scilab関数.

p1

p2

### 説明

`eval3dp` は関数`fun` により定義される3次元パラメータ表現の曲面の 4角形小平面表現を計算します. `fun(p1,p2)` は, 曲面の対応する点の x軸,y軸,z軸座標を [x(i),y(i),z(i)]=fun(p1(i),p2(i)) により計算します. これは効率を改善するために使用されます.

### 例

```p1=linspace(0,2*%pi,10);

p2=linspace(0,2*%pi,10);

deff("[x,y,z]=scp(p1,p2)",["x=p1.*sin(p1).*cos(p2)";..

"y=p1.*cos(p1).*cos(p2)";..

"z=p1.*sin(p2)"])

[Xf,Yf,Zf]=eval3dp(scp,p1,p2);

plot3d(Xf,Yf,Zf)```

### 参照

• genfac3d — 3次元曲面の小平面を計算
• plot3d — 曲面の3次元プロット

### Comments

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 Report an issue << eval3d 3d_plot fac3d >>

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