An array.
Makes a diagonal arrayor extracts the diagonal of an array.
An array.
If a is one-dimensional then d is the n-dimensional diagonal array with diagonal a; otherwise, d is the diagonal of a.
The dimensionality of d when a is one-dimensional. (Default: 2)
a = DIAG( [1,1,1] ) & PM, a
1 0 0
0 1 0
0 0 1
PM, DIAG( a )
1
1
1
