pracma (version 0.5-3)

mtrace: Matrix trace

Description

Sum of the main diagonal elements.

Usage

mtrace(a)

Arguments

a

a square matrix

Value

• scalar value

Details

Sums the elements of the main diagonal of areal or complrx square matrix.

See Also

mdiag, diag

Examples

mtrace(matrix(1:16, nrow=4, ncol=4))