clear all
profile on
global A D counter
n=100000;density=.0001;
A=sprandsym(n,density);
D=speye(n);
a=randn(n,1);
s=.1;
dgaptol=1e-12;
[xopt,fopt,lopt,lambdamin,flag] = newtrust4b(a,s,dgaptol);
profile report