Re: Using a huge list of random numbers from random.org
- To: mathgroup at smc.vnet.net
- Subject: [mg127751] Re: Using a huge list of random numbers from random.org
- From: Bill Rowe <readnews at sbcglobal.net>
- Date: Sat, 18 Aug 2012 03:47:04 -0400 (EDT)
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On 8/17/12 at 3:44 AM, kbru157 at gmail.com wrote: >I am doing some simulation which requires the use of random numbers. >I do not want to use pseudo-random numbers. Instead I intend to >download some of the binary files from random.org >http://www.random.org/files/ How do I use these digits within >mathematica 8.0? (Subsidiary question: How would one convert these >binary digits into deimal fractions?) The binary files there are simply a stream of random bytes. Use BinaryRead or BinaryReadList to bring the file into Mathematica. For example, data=BinaryReadList[filename,"UnsignedInteger32"]; would read the file as a list of 32 bit integers with values from 0 to 2^32-1. These could be converted to fractions by dividing by 2^32. That is after reading the file as described data/2^32//N would be a list of random machine precision reals between 0 and 1