Darrin Thompson wrote:
I'm stuck on something that I thought would be easy.
I have a matrix and a vector.
module Main where
import Data.Vector.Dense
import Data.Matrix.Dense
import BLAS.Matrix.Solve
m = listMatrix (2, 3) ([1, 2, 3, 4, 5, 6]::[Double])
v = listVector 2 ([1, 2]::[Double])
main = do ???
Can I use one of the haskell libraries to solve that system? My goal
is to automate some tedium on small exercises from the Linear Algebra
text by Jim Heffron.
--
Darrin
Using hmatrix:
> import Numeric.LinearAlgebra
>
> m = (2><3) [1, 2, 3,
> 4, 5, 6]
>
> v = 2 |> [1, 2 :: Double]
>
> sol = m <\> v
$ ghci solve.hs
*Main> sol
3 |> [-5.555555555555511e-2,0.11111111111111113,0.2777777777777776]
Best regards,
Alberto
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