Description
Wrapper of numeric-optimization package for using with AD package.
Description
Please see the README on GitHub at https://github.com/msakai/nonlinear-optimization-ad/tree/master/numeric-optimization-ad#readme
README.md
numeric-optimization-ad
Wrapper of numeric-optimization package for using with ad package
Example Usage
{-# LANGUAGE FlexibleContexts #-}
import Numeric.Optimization.AD
main :: IO ()
main = do
result <- minimize LBFGS def rosenbrock Nothing [] [-3,-4]
print (resultSuccess result) -- True
print (resultSolution result) -- [0.999999999009131,0.9999999981094296]
print (resultValue result) -- 1.8129771632403013e-18
-- https://en.wikipedia.org/wiki/Rosenbrock_function
rosenbrock :: Floating a => [a] -> a
-- rosenbrock :: Reifies s Tape => [Reverse s Double] -> Reverse s Double
rosenbrock [x,y] = sq (1 - x) + 100 * sq (y - sq x)
sq :: Floating a => a -> a
sq x = x ** 2