For clarification, since I can't find anything in the docs, I want to ask.

Say I want to compute the following:

y = \alpha x op(A) + \beta y (where x,y are vectors and A is a matrix),

is there a Level 2 BLAS function to do that, or do I have to express x as a
matrix and use a Level 3 BLAS function?

Thank you,
Dimitris K

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