delta {calculus}

Generalized Kronecker Delta

Description

Computes the Generalized Kronecker Delta.

Usage

delta(n, p = 1)

Arguments

n

number of elements for each dimension.

p

order of the generalized Kronecker delta, p=1 for the standard Kronecker delta.

Value

array representing the generalized Kronecker delta tensor.

References

Guidotti E (2022). "calculus: High-Dimensional Numerical and Symbolic Calculus in R." Journal of Statistical Software, 104(5), 1-37. doi:10.18637/jss.v104.i05

See Also

Other tensor algebra: contraction(), diagonal(), einstein(), epsilon(), index()

Examples

### Kronecker delta 3x3
delta(3)

### generalized Kronecker delta 3x3 of order 2
delta(3, p = 2)