gistfile1.clj

(defn matrix
  [vectors]
  (for [i (range (count vectors))
        j (range (count vectors))]
    (distance-between (nth vectors i) (nth vectors j))))

; originally written in Python as
; def generate_matrix(vectors):
;  size = len(vectors)
;  return [[distance_between(vectors[i], vectors[j]) for i in range(size)] for j in range(size)]