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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Identity-matrix/Erlang/identity-matrix.erl Normal file
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%% Identity Matrix in Erlang for the Rosetta Code Wiki.
%% Implemented by Arjun Sunel
-module(identity_matrix).
-export([square_matrix/2 , identity/1]).
square_matrix(Size, Elements) ->
[[Elements(Column, Row) || Column <- lists:seq(1, Size)] || Row <- lists:seq(1, Size)].
identity(Size) ->
square_matrix(Size, fun(Column, Row) -> case Column of Row -> 1; _ -> 0 end end).