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June 2018 Update

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Ingy döt Net 2018-06-22 20:57:24 +00:00
parent ba8067c3b7
commit 22f33d4004
5278 changed files with 84726 additions and 14379 deletions
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9
Task/Polynomial-regression/Julia/polynomial-regression.julia
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@ -1,4 +1,5 @@
function polyfit(x, y, n)
A = [ float(x[i])^p for i = 1:length(x), p = 0:n ]
A \ y
end
polyfit(x::Vector, y::Vector, deg::Int) = collect(v ^ p for v in x, p in 0:deg) \ y
x = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
y = [1, 6, 17, 34, 57, 86, 121, 162, 209, 262, 321]
@show polyfit(x, y, 2)