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Question: Is &where a keyword?

Question:Is &where a keyword?

djc 571 Maple
format
June 26 2008
0

 

I thought before that &where is not  a keyword, but I don't understand the difference here (I found &where in the solutions of pdes):

restart;
f1:=a &where b;
op(2,f1);

it gives me {b}

f2:=a &something b;
op(2,f2);
 

gives me simply b

I don't find any information on &where in the help.

 

 

 

 

 

 

 

 
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