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Scilabヘルプ >> Graphics > 2d_plot > paramfplot2d

paramfplot2d

呼び出し手順

```paramfplot2d(f,x,theta)

paramfplot2d(f,x,theta,flag)

paramfplot2d(f,x,theta,flag,rect)```

引数

x

f

theta

flag

rect

"矩形" [xmin, xmax, ymin, ymax] (1 x 4 実数ベクトル),

説明

`f`は, `x`, `t`--> `f(x,t) = R^N` へのマッピングです. ただし, `x``R^N`のベクトル, `t`は実数です.

例

```deff('y=f(x,t)','y=t*sin(x)')

x=linspace(0,2*%pi,50);theta=0:0.05:1;

paramfplot2d(f,x,theta);```
```function V=twosoliton(x, t)

a1=6;s1=2;v1=a1^2;

a2=4;s2=40;v2=a2^2;

f1=exp(-a1*(x-s1-v1*t));

f2=exp(-a2*(x-s2-v2*t));

r=((a2-1)/(a2+a1))^2;

V=2*(v1*f1+v2*f2+2*(a2-a1)^2*f1.*f2+r*(v2*(f1.^2).*f2+v1*f1.*(f2.^2)))./((1+f1+f2+r*f1.*f2).^2);

endfunction

x=linspace(1,100,3000);

clf;paramfplot2d(twosoliton,x,0:0.05:3);```

参照

• comet — 2次元 comet アニメーションプロット.
• plot2d — 2Dプロット
• feval — 関数(または外部ルーチン)を評価する
• fplot2d — 関数で定義された曲線の二次元プロット

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