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## Re: fractional remainder

**From**: |
kamaraju kusumanchi |

**Subject**: |
Re: fractional remainder |

**Date**: |
Sun, 25 Dec 2005 21:57:50 -0500 |

**User-agent**: |
Debian Thunderbird 1.0.7 (X11/20051017) |

blah BLABBER wrote:

Howdy folks,

`Question: I am a new Octave user and cannot figure out how to grab the
``remainder of a fraction. For example, if I take 3/4 = 0.75, I just
``want to grab the 75.
`

`Reason: I would like to check if the remainder is zero in order to
``determine if a number is odd or even. Any even number divided by 2
``will have a remainder of 0, odd numbers will not. I am using this for
``loop control.
`

`Problem: In Octave, rem(3,4) gives 3. Obviously I do not understand
``this function. Can you please suggest the appropriate function to use.
`
Thanks.

Try the mod function.
octave:1> mod(11,2)
ans = 1
octave:2> mod(10,2)
ans = 0
octave:3> mod(3,4)
ans = 3
octave:4> mod(7,4)
ans = 3

`To read about a function you can use the help command. To read about
``rem, type help rem at the octave prompt etc.,
`
hth
raju
--
Kamaraju S Kusumanchi
http://www.people.cornell.edu/pages/kk288/
http://malayamaarutham.blogspot.com/
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