X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=src%2FLinear%2FSystem.hs;h=f49c652e494d769ed4be5e69db9d468abbef8d72;hb=4a1589178a2928710f13e0cb18efb34ed8c0d883;hp=58d8d78e7a6fe866751109a1c1dfb1610eeeb728;hpb=1f64a1a33b2636ef2e863a0b577c8d8d50233580;p=numerical-analysis.git

diff --git a/src/Linear/System.hs b/src/Linear/System.hs
index 58d8d78..f49c652 100644
--- a/src/Linear/System.hs
+++ b/src/Linear/System.hs
@@ -31,6 +31,11 @@ import qualified Algebra.Field as Field
 --   >>> forward_substitute m b
 --   ((1.0),(0.0))
 --
+--   >>> let m = fromList [[4,0],[0,2]] :: Mat2 Double
+--   >>> let b = vec2d (2, 1.5 :: Double)
+--   >>> forward_substitute m b
+--   ((0.5),(0.75))
+--
 forward_substitute :: forall a m. (Field.C a, Arity m)
                    => Mat m m a
                    -> Mat m N1 a