Can override this default construction methodology to avoid the toArray call if you don't want to extract elements that way.
Can override this default construction methodology to avoid the toArray call if you don't want to extract elements that way.
Offer a type-specific way to concat vecs
Offer a type-specific way to concat vecs
An alternative Mat factory method using array of Vecs
An alternative Mat factory method using array of Vecs
Int ScalarTag