17 lines
343 B
Text
17 lines
343 B
Text
$ ocaml
|
|
|
|
# let make_id_matrix n =
|
|
let m = Array.make_matrix n n 0.0 in
|
|
for i = 0 to pred n do
|
|
m.(i).(i) <- 1.0
|
|
done;
|
|
(m)
|
|
;;
|
|
val make_id_matrix : int -> float array array = <fun>
|
|
|
|
# make_id_matrix 4 ;;
|
|
- : float array array =
|
|
[| [|1.; 0.; 0.; 0.|];
|
|
[|0.; 1.; 0.; 0.|];
|
|
[|0.; 0.; 1.; 0.|];
|
|
[|0.; 0.; 0.; 1.|] |]
|