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Oct 20th, 2017
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  1. % Jorge Andres Gonzales A01280927
  2. % Andres Sosa Silva A01176075
  3. -module(ej1).
  4. -export([formula_general/3, secuencia/1, secuencialegit/2, mapea/2, menores/2]).
  5.  
  6. formula_general(A, B,C) ->
  7.   if
  8.         (B*B < 4*A*C) -> "imagination";
  9.         true -> {(-B + math:sqrt(B*B - 4*A*C))/(2*A) ,(-B - math:sqrt(B*B - 4*A*C))/(2*A)}
  10.   end.
  11.  
  12. secuencialegit(0,_) -> [];
  13. secuencialegit(N,X) -> [X | secuencialegit(N-1,X+1)].
  14.  
  15. secuencia(N) -> secuencialegit(N, 1).
  16.  
  17. mapea(A,B) -> lists:map(A,B).
  18.  
  19. menores(A,B) -> lists:map(fun(Y) -> lists:filter(fun(X) -> X<B end,Y) end, A).
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