Re: Linear Interpolation problems

*To*: mathgroup at smc.vnet.net*Subject*: [mg102389] Re: [mg102359] Linear Interpolation problems*From*: DrMajorBob <btreat1 at austin.rr.com>*Date*: Fri, 7 Aug 2009 05:32:53 -0400 (EDT)*References*: <200908061033.GAA01892@smc.vnet.net>*Reply-to*: drmajorbob at bigfoot.com

Here's the first part: f=Interpolation[{{3,20},{10,50}},InterpolationOrder->1]; f/@{4,5,9} {170/7,200/7,320/7} Bobby On Thu, 06 Aug 2009 05:33:49 -0500, kosal lee <leekosal at yahoo.com> wrote: > Hello, > > I am new to Mathematica. Please help me with linear interpolation > problems. Thank you for your help. > > First, suppose I have two real values > > year earnings > x = 3 f(x) = 20 > x= 10 f(x) = 50 > > I want to have the interpolated values of f(4), f(5), to f(9) which is > between actual values of f(3) and f(10). How can I do that with > Mathematica? > > > Second, suppose I have an excel spreadsheet having those above values > for multiples firms as of the following > > firm f(3) f(10) > A 20 50 > B 30 55 > C 60 25 > > I want to have the values of f(4) till f(9) as above and are stored in > excel spreadsheet as of the following: > > firm f(3) f(4) f(5) ... (f9) f(10) > A 20 50 > B 30 55 > C 60 25 > > > Best Regards, > Kosal > > > -- DrMajorBob at bigfoot.com

**References**:**Linear Interpolation problems***From:*kosal lee <leekosal@yahoo.com>