Cleanup

dune/tectonic/minimisation.hh

@@ -19,11 +19,11 @@ void descentMinimisation(Functional const &J,
   using SmallVector = typename Functional::SmallVector;
   using LocalNonlinearityType = typename Functional::NonlinearityType;
 
-  // {{{ Construct a restriction of J to the line x + t * descDir
+  // {{{ Construct a restriction of J to the line x + t * v
 
   /* We have
 
-     1/2 <A(u+xv),u+xv>-<b,u+xv> = 1/2 <Av,v> x^2 - <b-Au,v> x + <1/2 Au-b,u>
+     1/2 <A(x+tv),x+tv>-<b,x+tv> = 1/2 <Av,v> t^2 - <b-Ax,v> t + <1/2 Ax-b,x>
 
      since A is symmetric.
   */