sign

• Subject: sign
• From: leon.magiera at wp.pl
• Date: Thu, 22 Mar 2012 06:54:55 +0100

I want to get the result of calculation (simplification) 
 
          assume( x>0, x<%pi/2 );
          sign(cos(x)); 

I expect to get 1, whereas MAXIMA returns:
 
         pnz


Leon

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