SSPR2/DSPR2/CHPR2/ZHPR2

Rank-2 update

 

’L’ or ’l’

The lower triangle of A is stored in the

 

 

packed array.

 

’U’ or ’u’

The upper triangle of A is stored in

 

 

the packed array.

n

Number of rows and columns in matrix A and elements

 

of vectors x and y, n ≥ 0. If n = 0, the subprograms do

 

not reference ap, x, or y.

alpha

The scalar α. If alpha = 0, the subprograms do not

 

reference ap, x, or y.

x

Array of length lenx = (n−1)⋅incx+1 containing the

 

n-vector x.

 

262HP MLIB User’s Guide