From: giuseppe@invalid.invalid   
      
   On Sun, 16 Apr 2017 02:20:37 -0700 (PDT), oldk1331@gmail.com wrote:   
      
   >For your first attempt, you need '()' to group expressions:   
   >   
   >h:=(a,b,n)+->(v:=series((a+b*x)^((floor(n*10.0))::INT/10));[coefficient(v,i)   
   for i in 0..3])   
   >   
   >For your second attempt, as the error message shows,   
   >you have to give type information for anonymous functions.   
   >Why not use   
   >h(a,b,n)==(v:=series((a+b*x)^((floor(n*10.0))::INT/10));[coefficient(v,i) for   
   i in 0..3])   
      
   Thank you very much   
      
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