doc: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Correctly use @xref, @pxref, @ref macros in documentation. * doc/interpreter/arith.txi, doc/interpreter/basics.txi, doc/interpreter/container.txi, doc/interpreter/debug.txi, doc/interpreter/diagperm.txi, doc/interpreter/eval.txi, doc/interpreter/external.txi, doc/interpreter/func.txi, doc/interpreter/install.txi, doc/interpreter/interp.txi, doc/interpreter/intro.txi, doc/interpreter/java.txi, doc/interpreter/matrix.txi, doc/interpreter/munge-texi.pl, doc/interpreter/numbers.txi, doc/interpreter/package.txi, doc/interpreter/plot.txi, doc/interpreter/sparse.txi, doc/interpreter/stats.txi, doc/interpreter/strings.txi, doc/interpreter/system.txi, doc/interpreter/var.txi, doc/interpreter/vectorize.txi, libinterp/corefcn/error.cc, libinterp/corefcn/qz.cc, libinterp/corefcn/regexp.cc, scripts/general/accumarray.m, scripts/general/structfun.m, scripts/miscellaneous/edit.m, scripts/miscellaneous/setfield.m, scripts/miscellaneous/warning_ids.m, scripts/optimization/fminbnd.m, scripts/optimization/fzero.m, scripts/optimization/lsqnonneg.m: Use XREF as anchor prefix in documentation for clearer results in Info viewer. Correctly use @xref, @pxref, @ref macros in documentation. * scripts/plot/line.m: Remove extra ')' in @deftypefn. * libgui/src/qtinfo/parser.cc(find_ref): Change doc anchor search pattern to XREF.

clear;

disp('2nd problem');
s=1;
c=[-1,-1]';
a=[-2,5;2,-2];
b=[5;1];
ctype=['U','U']';
lb=[0;0]; ub=[];
vartype=['I';'I'];
param.msglev=1;
[xmin,fmin,status,extra]=glpk(c,a,b,lb,ub,ctype,vartype,s,param)
[xmin,fmin,status,extra]=glpkmex(s,c,a,b,ctype,lb,ub,vartype,param)
pause;

disp('3rd problem');
s=1;
c=[0 0 0 -1 -1]';
a=[-2 0 0 1 0;...
    0 1 0 0 2;...
    0 0 1 3 2];
b=[4 12 18]';
ctype=['S','S','S']';
lb=[0,0,0,0,0]'; ub=[];
vartype=['C','C','C','C','C']';
[xmin,fmin,status,extra]=glpk(c,a,b,lb,ub,ctype,vartype,s)
[xmin,fmin,status,extra]=glpkmex(s,c,a,b,ctype,lb,ub,vartype)