Extracts the upper triangular matrix. More...

array	diag (const array &input)
	Extract or form diagonal matrix. More...

Detailed Description

Extracts the upper triangular matrix.

Returns the upper triangular matrix

Function Documentation

array af::diag ( const array & input )

Extract or form diagonal matrix.

Parameters

[in] input if vector then produce diagonal matrix, if matrix then extract diagonal vector

Returns: diagonal matrix formed from vector, or vector extracted from diagonal of a matrix