Rename bfgsi.m to bfgsi1.m to avoid clash with the one provided by Tao Zha

Closes: #215

license.txt

@@ -39,7 +39,7 @@ License: public-domain
  Journal of Economic Dynamics and Control, 2010, vol. 34, issue 3,
  pages 472-489
 
-Files: matlab/bfgsi.m matlab/csolve.m matlab/csminit1.m matlab/numgrad2.m
+Files: matlab/bfgsi1.m matlab/csolve.m matlab/csminit1.m matlab/numgrad2.m
  matlab/numgrad3.m matlab/numgrad5.m matlab/csminwel.m matlab/bvar_density.m
  matlab/bvar_toolbox.m matlab/partial_information/PI_gensys.m matlab/qzswitch.m
  matlab/qzdiv.m

matlab/bfgsi.m → matlab/bfgsi1.m

-function H = bfgsi(H0,dg,dx)
-% H = bfgsi(H0,dg,dx)
+function H = bfgsi1(H0,dg,dx)
+% H = bfgsi1(H0,dg,dx)
 % dg is previous change in gradient; dx is previous change in x;
 % 6/8/93 version that updates inverse hessian instead of hessian
 % itself.

matlab/csminwel1.m

@@ -273,7 +273,7 @@ while ~done
     %badgh
     stuck = (abs(fh-f) < crit);
     if (~badg) && (~badgh) && (~stuck)
-        H = bfgsi(H,gh-g,xh-x);
+        H = bfgsi1(H,gh-g,xh-x);
     end
     if Verbose
         disp('----')