title: How to apply verb sequentially to vector and each single element of another vector in J
body: <p>For example I have vector 1 2 3 and vector 4 5 6 and I want to add 1 2 3 and 4 first, then with 5 and then with 6 in the same way, and get 3 vectors 5 6 7, 6 7 8 and 7 8 9. </p>