update docs

docs/algorithms/lwe-dual.rst

@@ -6,6 +6,7 @@ LWE Dual Attacks
 We construct an (easy) example LWE instance::
 
     from estimator import *
+    from estimator.lwe_dual import dual_hybrid, matzov
     params = LWE.Parameters(n=200, q=7981, Xs=ND.SparseTernary(384, 16), Xe=ND.CenteredBinomial(4))
     params
 
@@ -15,8 +16,12 @@ The simples (and quickest to estimate) algorithm is the "plain" dual attack as d
 
 We can improve these results by considering a dual hybrid attack as in [EC:Albrecht17,INDOCRYPT:EspJouKha20]_::
 
-    LWE.dual_hybrid(params)
+    dual_hybrid(params)
 
 Further improvements are possible using a meet-in-the-middle approach [EPRINT:CHHS19]_::
 
-   LWE.dual_hybrid(params, mitm_optimization=True)
+   dual_hybrid(params, mitm_optimization=True)
+
+We consider the variant fron [MATZOV22]_::
+
+   matzov(params)