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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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6
Task/Nth-root/Erlang/nth-root-1.erl Normal file
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fixed_point(F, Guess, Tolerance) ->
fixed_point(F, Guess, Tolerance, F(Guess)).
fixed_point(_, Guess, Tolerance, Next) when abs(Guess - Next) < Tolerance ->
Next;
fixed_point(F, _, Tolerance, Next) ->
fixed_point(F, Next, Tolerance, F(Next)).

4
Task/Nth-root/Erlang/nth-root-2.erl Normal file
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nth_root(N, X) -> nth_root(N, X, 1.0e-5).
nth_root(N, X, Precision) ->
F = fun(Prev) -> ((N - 1) * Prev + X / math:pow(Prev, (N-1))) / N end,
fixed_point(F, X, Precision).