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Question: alais of RootOf in procedure fails to work

Question:alais of RootOf in procedure fails to work

gepo 541 Maple
student
February 08 2010
0
Hi,all, I found a weird problem. When I use alias of RootOf in a procedure, it seem that it cannot work correctly. The code is as following: > restart; > cf := proc (n, ir) local P; alias(x = RootOf(ir)); P := evala(Expand(x^4)) mod 2; print(P); end; >cf(4,x^4+x+1); x^4 ---------------------> should be x+1 However, when I use it in seperate commands, it works fine. > restart; >alias(x = RootOf(x^4+x+1)); >P := evala(Expand(x^4)) mod 2; >print(P); x+1 I have no idea what is wrong here Thanks Gepo
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