Extracts the lower triangular matrix. More...

array lower (const array &input, int diagonal=0)
 Extract lower triangular matrix. More...
 

Detailed Description

Extracts the lower triangular matrix.

Returns the lower triangular matrix

Function Documentation

array af::lower ( const array &  input,
int  diagonal = 0 
)

Extract lower triangular matrix.

Parameters
[in]inputmatrix
[in]diagonalto include in extraction: diagonal==0 is the center diagonal (default), diagonal>0 is above, and diagonal<0 is below.
Returns
lower triangular part of the matrix