DIAG Function

DIAG Function

Makes a diagonal array or extracts the diagonal of an array.

Usage

d = DIAG( a )

Input Parameters

a — An array.

Returned Value

d — If a is one-dimensional then d is the n-dimensional diagonal array with diagonal a; otherwise, d is the diagonal of a.

Keywords

n — The dimensionality of d when a is one-dimensional. (Default: 2)

Example

a = DIAG( [1,1,1] )

PM, a

; PV-WAVE prints:

;    1       0       0

;    0       1       0

;    0       0       1

PM, DIAG( a )

; PV-WAVE prints:

;    1

;    1

;    1

Version 2017.0