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Scilab manual >> Interpolation > interpln

interpln

線形補間

呼び出し手順

[y]=interpln(xyd,x)

パラメータ

xyd

2行の行列 (点のxy座標)

x

ベクトル (横座標)

y

ベクトル (y軸の値)

説明

横座標が単調増加のxy平面における一連の点xyd, 一連の横座標xを指定すると, この関数線形補間による対応するy軸の値yを 計算します.

x=[1 10 20 30 40];
y=[1 30 -10 20 40];
plot2d(x',y',[-3],"011"," ",[-10,-40,50,50]);
yi=interpln([x;y],-4:45);
plot2d((-4:45)',yi',[3],"000");
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