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See the recommended documentation of this function

Scilabヘルプ >> Data Structures > getfield

getfield

リストのフィールドの展開

呼び出し手順

[x,...]=getfield(i,l)

パラメータ

x

任意の型の行列

l

list, tlist または mlist変数

i

フィールド添え字, 詳細は extraction 参照.

説明

この関数は, フィールド展開用の [x,...]=l(i) 構文と等価ですが, 唯一の違いは, mlist オブジェクトにも適用できる ことです.

l=list(1,'qwerw',%s)
[a,b]=getfield([3 2],l)

// Rationals are encoded as t-lists:
r = [%z/(1-%z) %z^2/(1+%z)]
type(r)
[num, den] = getfield([2 3],r)

// Structures arrays are encoded as M-lists:
s.r = %pi
s.b = %t
s.t = "Scilab"
s(2).t = "Basile"
getfield(2,s)==size(s)
getfield(1,s)(3:5)==fieldnames(s)'
[r,b,t] = getfield([3 4 5],s)

参照

  • extraction — 行列およびリストのエントリの展開
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Last updated:
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