Newbie question re: finding an equation for a set of knownvariables?



This process is called polynomial interpolation. You can look it up on
wikipedia, for example.
RJF
 

> -----Original Message-----
> From: maxima-bounces at math.utexas.edu 
> [mailto:maxima-bounces at math.utexas.edu] On Behalf Of Phil
> Sent: Thursday, September 13, 2007 3:24 PM
> To: maxima at math.utexas.edu
> Subject: Newbie question re: finding an equation for 
> a set of knownvariables?
> 
> Rather than solving an equation for a variable(s), I'm 
> wondering if it's 
> possible to find (simple) equations provided all of the 
> variable values? 
>   For example, given the values:
> 
> a=5, b=3, c=1, d=7
> a=10, b=5, c=2, d=13
> 
> where the variables provided are identified as either LHS (a, 
> b, c) or 
> RHS (d) for Maxima to determine the equation that fits the variables. 
> In this example the result I would be looking for is a+b-c=d.
> 
> Thanks,
> Phil
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