optim >> Optimization
Minimization
 minimize 
 nelder_mead_min
 d2_min
 nrm
 fmin fminbnd
 line_min
 fmins adsmax mdsmax nmsmax
 bfgsmin samin battery
Data fitting
 expfit expdemo
 wpolyfit wpolyfitdemo 
 leasqr leasqrdemo
Root finding
 fzero 
 fsolve fsolve_options
Compatibility
 fminunc
 optimset
 quadprog= try Yinyu Ye's <a href="http://dollar.biz.uiowa.edu/col/ye/matlab.html">code</a>
 linprog= try <f>glpk</f>
Numerical derivatives
 dfdp bs_gradient cdiff deriv leval
 numgradient numhessian
Tests
  test_min_1 test_min_2 test_min_3 test_min_4
  test_d2_min_1 test_d2_min_2 test_d2_min_3
  test_nelder_mead_min_1 test_nelder_mead_min_2
  poly_2_ex test_minimize_1
Examples
 bfgsmin_example
 rosenbrock
 samin_example