From: Theo <th...@gm...> - 2013-03-12 09:56:05
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Hi Adam, would this help to solve your problem? a1 = 0.1 # define all your constants a2 = 0.2 a3 = 0.3 b1 = 1.2 b2 = 2.3 b3 = 3.4 c1 = -1 c2 = -2 c3 = -3 # define a(n),b(n),c(n)-functions a(n) = a1*(n==1) + a2*(n==2) + a3*(n==3) # and so on... b(n) = b1*(n==1) + b2*(n==2) + b3*(n==3) c(n) = c1*(n==1) + c2*(n==2) + c3*(n==3) # define your function which will be subtracted GPFUN_g = "g(n,x) = exp(a(n)*x+b(n))+c(n)" I haven't tested it to the very end but if you using the function g(n,x) and something like the following... plot for [2:11] "data.txt" using 1:(column(i) - g(i,$1)) There might be certainly a more elegant way to do it... Anyway, let me know whether it works or not. Theo. |