Kronecker Delta - Alternate Notation

Alternate Notation

Using the Iverson bracket:

Often, the notation is used.

\delta_{i} = \begin{cases} 0, & \mbox{if } i \ne 0 \\ 1, & \mbox{if } i=0 \end{cases}

In linear algebra, it can be thought of as a tensor, and is written . Sometimes the Kronecker delta is called the substitution tensor.

Read more about this topic:  Kronecker Delta

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