็ฉ้ต็ Kroenecker ็งฏ¶
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็ฉ้ต \(A=(a_{ij})_{m\times n},B=(b_{ij})_{k\times l}\) ็ Kroenecker ็งฏๅฎไนไธบ
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\[A\otimes B = \begin{pmatrix} a_{11}B & a_{12}B & \cdots & a_{1n}B \\ a_{21}B & a_{22}B & \cdots & a_{2n}B \\ \vdots & \vdots & & \vdots \\ a_{m1}B & a_{m2} B & \cdots &ma_{mn}B\end{pmatrix}\]
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