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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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17
Task/Identity-matrix/OCaml/identity-matrix-1.ocaml Normal file
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$ 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.|] |]

13
Task/Identity-matrix/OCaml/identity-matrix-2.ocaml Normal file
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# let make_id_matrix n =
Array.init n (fun i ->
Array.init n (fun j ->
if i = j then 1.0 else 0.0))
;;
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.|] |]