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MathGroup Archive 2006

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Re: Plot {x,y} and {x,z} of a List {x,y,z}

  • To: mathgroup at smc.vnet.net
  • Subject: [mg65782] Re: [mg65694] Plot {x,y} and {x,z} of a List {x,y,z}
  • From: Bob Hanlon <hanlonr at cox.net>
  • Date: Mon, 17 Apr 2006 02:28:40 -0400 (EDT)
  • Reply-to: hanlonr at cox.net
  • Sender: owner-wri-mathgroup at wolfram.com

Off[General::spell1];

data=Table[{a=Random[],5a+Random[],
        4a^2+a+Random[]},{10}];

datay=data[[All,{1,2}]];

dataz=data[[All,{1,3}]];

fity[x_]=Fit[datay, {1,x}, x];

fitz[x_]=Fit[dataz, {1,x,x^2}, x];

Plot[{fity[x],fitz[x]},{x,0,1},
    Epilog->{Red, AbsolutePointSize[4], 
        Point/@datay,Blue,Point/@dataz}];


Bob Hanlon

> 
> From: "petitsun1" <r.bactavatchalou at mx.uni-saarland.de>
To: mathgroup at smc.vnet.net
> Subject: [mg65782] [mg65694] Plot {x,y} and {x,z} of a List {x,y,z}
> 
> Hi,
> I have a list of {x,y,z} and I would like to fit {x,y} and {x,z}.
> How can I do it?
> It must be easy but I have not found...
> Thanks, Ravi
> 
> 


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