This is a very loaded word. So for procreation, Aristotle thought that the man actively imprinted on the passive woman, and one of the definitions for matrix is a "mould in which something, such as a record or printing type, is cast or shaped." (It's also the "cultural, social, or political environment in which something develops.") https://en.oxforddictionaries.com/definition/matrix

Reading Cixous reminds me of cyberfeminism, which is often about "writing the feminine" through technology. I think VNS Matrix (their manifesto is below) is often considered a pioneer of cyberfeminism.