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Scilabヘルプ >> Graphics > 3d_plot > hist3d

# hist3d

3次元ヒストグラム

### 呼び出し手順

```hist3d(mtx,[theta,alpha,leg,flag,ebox])

hist3d(mtx,<opt_args>)

hist3d(list(mtx,x,y),[theta,alpha,leg,flag,ebox])

hist3d(list(mtx,x,y),<opt_args>)```

### 引数

mtx

list(mtx,x,y)

mtxは大きさ(m,n)の行列で,ヒストグラム`mtx(i,j)=F(x(i),y(j))` を定義します.`x` および `y` は, 大きさ (1,m+1) および (1,n+1)のベクトルです.

<opt_args>

theta,alpha,leg,flag,ebox

plot3dを参照くださ.

### 説明

`hist3d` は2次元ヒストグラムを3次元プロットとして 表します.この値は,間隔```[x(i) x(i+1)[ X [y(i) y(i+1)[``` に関連します.

コマンド `hist3d()` を入力するとデモを参照できます.

### 例

`hist3d();`
`hist3d(10*rand(10,10));`
```Z = zeros(100,5);

A = abs(rand(40,5));

Z(1:40,:) = A;

scf();

hist3d(Z);```
```Z = zeros(100,5);

A = abs(rand(40,5));

Z(1:40,:) = A;

Index = find(Z==0);

Z(Index) = %nan;

scf();

hist3d(Z);```
```Z = zeros(100,5);

A = abs(rand(40,5));

Z(1:40,:) = A;

A = abs(rand(10,5));

Z(91:100,:) = A;

scf();

hist3d(Z);```

### 参照

• histplot — ヒストグラムをプロットする
• plot3d — 曲面の3次元プロット

### Comments

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