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Scilabヘルプ >> Polynomials > inv_coeff

# inv_coeff

### 呼び出し手順

```P = inv_coeff(C)
P = inv_coeff(C, d)
P = inv_coeff(C, d, varname)```

C

d

varname

### 説明

`P=inv_coeff(Mp,k)`は, `k``Mp` の 大きさと互換性がある場合, k次の多項式行列を返します. `C=[C0,C1,...,Ck]` の時, `P= C0 + C1*x +... +Ck*x^k`となります.

### 例

```A = int(10*rand(2,6))
// 1次の多項式行列を作成
P = inv_coeff(A, 1)
norm(coeff(P)-A)

// 次数にデフォルト値を使用
P1 = inv_coeff(A)
norm(coeff(P1) - A)```

### 参照

• poly — Polynomial definition from given roots or coefficients, or characteristic to a square matrix.
• degree — 多項式行列の次数
• coeff — 多項式行列の係数

### Comments

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