positive control (4,4): planted Xi: |c_0..c_15|/|c_16| = 5.18e-13
   1200 starts: smallest costs ['7.34e-28', '9.68e-28', '1.47e-27', '1.68e-27', '3.15e-27', '3.95e-27'] ; #(cost<1e-20) = 18 ; time 885 s
(4,4) Gaussian curve 0: 1200 starts: smallest costs ['6.29e-07', '6.29e-07', '6.29e-07', '6.29e-07', '1.73e-06', '1.73e-06'] ; #(cost<1e-20) = 0 ; best re-polished 6.288013e-07, grad 1.9e-10, smallest sing. values of J: ['2.4e+00', '1.4e+00', '1.1e-07'] ; 276 s
(4,4) Gaussian curve 1: 1200 starts: smallest costs ['3.91e-03', '3.91e-03', '3.91e-03', '3.91e-03', '3.91e-03', '3.91e-03'] ; #(cost<1e-20) = 0 ; best re-polished 3.910095e-03, grad 4.4e-08, smallest sing. values of J: ['1.2e+01', '7.4e+00', '5.5e-07'] ; 259 s
(4,4) Gaussian curve 2: 1200 starts: smallest costs ['6.93e-04', '6.93e-04', '6.93e-04', '6.93e-04', '6.93e-04', '6.93e-04'] ; #(cost<1e-20) = 0 ; best re-polished 6.926465e-04, grad 3.9e-08, smallest sing. values of J: ['6.7e+00', '1.5e+00', '6.0e-07'] ; 269 s
