tensor_methods

Tensor Methods for DS and SC
git clone git://popovic.xyz/tensor_methods.git
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functions.jl (400B)

      1 #/usr/bin/julia
      2 
      3 t(n) = [(2*(i-1)/(n-1) - 1) for i in 1:n]
      4 
      5 function f(x)
      6     s = 0
      7     for (k, xk) in enumerate(x)
      8         s = s .+ (xk.^2 / (8^(k-1)))
      9     end
     10     return (1 .+ s).^(-1)
     11 end
     12 
     13 function g(x)
     14     s1 = 0
     15     s2 = 0
     16     for (k, xk) in enumerate(x)
     17         s1 = s1 .+ (xk.^2 / (8^(k-1)))
     18         s2 = s2 .+ (4 * pi * xk)/(4^(k-1))
     19     end
     20     return sqrt.(s1) .* (1 .+ 1/2 * cos.(s2))
     21 end