---- Minimum Surface Area Problem -----
mx: 10     my: 8   

iter =   0, Function value 1.45591, Residual: 0.21372 
iter =   1, Function value 1.41849, Residual: 0.0558701 
iter =   2, Function value 1.41776, Residual: 0.00444863 
iter =   3, Function value 1.41775, Residual: 0.000172504 
iter =   4, Function value 1.41775, Residual: < 1.0e-6