plot posterior and lik-kernel with the correct sign (i.e. with a maximum shape).

git-svn-id: https://www.dynare.org/svn/dynare/trunk@2817 ac1d8469-bf42-47a9-8791-bf33cf982152

matlab/mode_check.m

@@ -98,7 +98,7 @@ for plt = 1:nbplt,
             y(i,2)    = (y(i,1)+lnprior-dy);
             end
         end
-        plot(z,y);
+        plot(z,-y);
         hold on
         yl=get(gca,'ylim');
         plot( [x(kk) x(kk)], yl, 'c', 'LineWidth', 1)