Last Updated
：2025/11/29
Kronecker delta
Noun
Japanese Meaning
数学における二項関数であり、二つの引数が等しい場合に1、そうでない場合に0を返す記号。 / 主に行列や演算の定義、特に合計記号とともに用いられる、条件付きの値を表す関数。
（ plural ）
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(mathematics) A binary function, written as δ with two subscripts, which evaluates to 1 when its arguments are equal, and 0 otherwise.
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Kronecker delta
When computing the matrix elements, the Kronecker delta ensures that only diagonal terms contribute.
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When computing the matrix elements, the Kronecker delta ensures that only diagonal terms contribute.
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