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How I can I optimize the following code in order to get very short running time

• To: mathgroup at smc.vnet.net
• Subject: [mg125083] How I can I optimize the following code in order to get very short running time
• From: Liwen Zhang <gearss8888 at gmail.com>
• Date: Tue, 21 Feb 2012 06:09:34 -0500 (EST)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com

How I can I optimize the following code in order to get very short
running time?

Time1 = AbsoluteTime[];
n = 3000;
Do[Do[x =
     Sin (45.0)*ArcSin (0.5)*Sqrt (5.0)*ArcTan (2.5555);, {n}], {n}];
Time2 = AbsoluteTime[];
Print[Time2 - Time1];

• Follow-Ups:
  • Re: How I can I optimize the following code in order to
    • From: Tomas Garza <tgarza10@msn.com>
  • Re: How I can I optimize the following code in order to
    • From: Murray Eisenberg <murray@math.umass.edu>