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Complex Number problem

• To: mathgroup@smc.vnet.net
• Subject: [mg11079] Complex Number problem
• From: Veit Sanner <sanner@biosys.net>
• Date: Wed, 18 Feb 1998 20:32:30 -0500
• Organization: Metronet

Hi.

I tried the following function to generate the Julia for a certain
point.

Julia[x_,n_]:={amounts={x}
  For[i=1,i<=n,i++,x=x^2;AppendTo[amounts,x];];}

But Mathematica always answers with tha same message:
  Set ::  write :  Tag Complex in x+y I is Protected.

How can I set this tag to unprotected?

ciao

    Veit