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functions [2015/12/16 13:14]
nikolaj
functions [2015/12/16 13:16] (current)
nikolaj
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 === Discussion === === Discussion ===
-Caution ​1Man function definitions are implicit, sometimes secretly so. E.g. defining ​+== Many definitions are implcit == 
 +Caution: ​ 
 +Many function definitions are implicit, sometimes secretly so. E.g. defining ​
  
 $f(x):​=\sum_{n=0}^\infty\frac{(-1)^{3n}}{n!}z^n$ ​ $f(x):​=\sum_{n=0}^\infty\frac{(-1)^{3n}}{n!}z^n$ ​
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 and a Limit definition is always a Task to find said limit. and a Limit definition is always a Task to find said limit.
  
-Caution ​2: In the function ​Definition, the domain of the function, as well as variables in context, are stated quite broadly - it must be checked if the to-be-function would return a value for any given input. ​+== Practically speaking, uor functions are partitially defined == 
 +Caution: In the function ​definition, the domain of the function, as well as variables in context, are stated quite broadly - it must be checked if the to-be-function would return a value for any given input. ​
  
 In that sense, "​Functions"​ really is "​Partial functions",​ a priori, although I try to state good valid domains on AoC. In that sense, "​Functions"​ really is "​Partial functions",​ a priori, although I try to state good valid domains on AoC.
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