RosettaCodeData/Task/Identity-matrix/Common-Lisp/identity-matrix-1.lisp
2019-09-12 10:33:56 -07:00

4 lines
158 B
Common Lisp

(defun make-identity-matrix (n)
(let ((array (make-array (list n n) :initial-element 0)))
(loop for i below n do (setf (aref array i i) 1))
array))