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Re: Re: Re: Negabinary Number System

by srawls (Friar)
on Sep 06, 2001 at 22:29 UTC ( #110688=note: print w/replies, xml ) Need Help??

in reply to Re: Re: Negabinary Number System
in thread Negabinary Number System

TAOCP is The Art of Computer Programming.

A few reasons why Knuth considers it as pretty are:
1)The negative of a number is obtained by changing all 1s to -1s and all -1s to 1s;
2)The sign is the sign of it's most significant trit (trinary digit); and
3)Rounding to the nearest integer is identicle to truncating.

Oh, and Cirollo; thanks for the reminder. I had forgotten about the balanced ternary system, but remembered it once I saw the name of it. Perhaps I will do my research on that, I'll wait and see. Update:Hey Cirollo, looks like you beat me to the punch : ) Thanks again!

The 15 year old, sophmore programmer,
Stephen Rawls

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[Corion]: Cosmic37: Basically, you read one file into a hash, keyed by your key, and then match the lines from the second file to that hash
[Cosmic37]: note that the two files only have datetimes which may match whereas other data per line is different format in file1 and file2 - is that really intersection?
[jedikaiti]: Hi Monks
[Corion]: Cosmic37: Well, if you want to use only parts of a line for the key, see split or whatever other mechanism to extract the key from the line
[Corion]: Hi jedikaiti!
[Cosmic37]: is there a webpage for full CB for this chat rather than side panel chat?
[Cosmic37]: thank you for advice
[Cosmic37]: peach greets jedi
[Cosmic37]: ok this one works better fullpage chat
[Cosmic37]: test

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