Erlang (programming language)/Tutorials/Math: Difference between revisions

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imported>Eric Evers
imported>Eric Evers
Line 5: Line 5:
  math:sqrt(4).
  math:sqrt(4).
   2
   2
Sqrt = fun(X) -> math:sqrt(X) end.
  #Fun<erl_eval.6.56006484>
lists:map(Sqrt,[1,2,3,4]).
  [1.00000,1.41421,1.73205,2.00000]
math:sin(3.1415/2).
  1.000000

Revision as of 15:01, 9 July 2008

Math

2*math:asin(1).
 3.1415

math:sqrt(4).
 2
Sqrt = fun(X) -> math:sqrt(X) end.
 #Fun<erl_eval.6.56006484>
lists:map(Sqrt,[1,2,3,4]).
 [1.00000,1.41421,1.73205,2.00000]
math:sin(3.1415/2).
 1.000000