I did a blog post on basic matrix ops which may be useful to you
http://blog.keithsheppard.name/2009/06/bird-tracks-through-math-land-basic.html
It uses a 2D list representation for matrices which you would not do
for any performance critical work.
best
keith
On Wed, Feb 3, 2010 at 1:38 AM,
On 3 Feb 2010, at 07:38, 조광래 wrote:
hi i was trying to solve it but
All i got is
type Matrix=[[Double]]
multMM :: Matrix - Matrix - Matrix --multiplies two matrices
multMM m t =[[sum (zipWith (*) (head m)(a)) ] ]where a = [head
a | a- t]
Main multMM [[2,1,-6],[1,-3,2]]
hi i was trying to solve it but
All i got is
type Matrix=[[Double]]
multMM :: Matrix - Matrix - Matrix --multiplies two matrices
multMM m t =[[sum (zipWith (*) (head m)(a)) ] ]where a = [head a | a-
t]
Main multMM [[2,1,-6],[1,-3,2]] [[1,0,-3],[0,4,20],[-2,1,1]]
[[14.0]]
from this i