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Math / graph software

krlkrl Registered User regular
edited January 2007 in Help / Advice Forum
I'm looking for an app that lets me place some points on a 2D graph, and then gives me a formula for a line running through those points. For example: if I give points (0,0) and (1,1) the app would give the function y = x.

I have OS X and Windows.

Thanks!

krl on

Posts

  • panksea06panksea06 Registered User regular
    edited January 2007
    Grapher in OS X may be able to do it. Fooling around I got it to draw a point set but not display the equation so I am not sure.
    Its in HD:Applications:Utilites:Grapher

    panksea06 on
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  • MidshipmanMidshipman Registered User regular
    edited January 2007
    Ever used Excel?

    Midshipman on
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  • ZernheltZernhelt Registered User regular
    edited January 2007
    If you don't own Excel, there's a lot of free spreadsheet programs that try to mimic Excel, and they should be able to do what you want.

    Zernhelt on
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  • krlkrl Registered User regular
    edited January 2007
    I didn't know Excel could do that :-)

    After a lot of searching I found out the term I was looking for is 'curve fitting', and this site is exactly what I needed.

    krl on
  • zunzunzunzun Registered User new member
    edited January 2007
    krl wrote:
    ...and this site is exactly what I needed.

    Thank you for referencing my hobby web site. Do you have any suggestions for changes or improvements?

    James Phillips
    http://zunzun.com
    zunzun@zunzun.com
    2548 Vera Cruz Drive
    Birmingham, AL 35235 USA

    zunzun on
  • khainkhain Registered User regular
    edited January 2007
    zunzun wrote:
    krl wrote:
    ...and this site is exactly what I needed.

    Thank you for referencing my hobby web site. Do you have any suggestions for changes or improvements?

    Putting your name and address on a public forums isn't the smartest thing to do.

    khain on
  • tuggatugga Makin' movies Makin' songsRegistered User regular
    edited January 2007
    google earth!

    tugga on
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    STEAM!
  • zunzunzunzun Registered User new member
    edited January 2007
    khain wrote:
    Putting your name and address on a public forums isn't the smartest thing to do.

    It's in my open source projects in every file and the phone book, so I'm not particular about doing so. May I ask why I should not do so - you may have a good reason that I'm not aware of. It might be a practice I should stop.

    James R. Phillips
    2548 Vera Cruz Drive
    Birmingham, AL 35235
    http://zunzun.com
    zunzun@zunzun.com

    zunzun on
  • nthnth Registered User regular
    edited January 2007
    A really powerful math program is Maple. It is made by maplesoft. You can do a lot of things with it.

    nth on
    What's worse than a cold toilet seat? A warm toilet seat. There's only one way short of magic it could have gotten warm. At first, you're almost thankful it's warm, then you get to thinking... this is the result of another person's ass-warmth.
  • ZonkytonkmanZonkytonkman Registered User regular
    edited January 2007
    maple is fantastic for symbolic stuff

    matlab is great for graphs and number crunching

    Zonkytonkman on
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