              scipy_ls                                 
       lm-scipy-no-jac  lm-scipy       trf       dogbox
prob_0        1 (1)[1]     5 (5)  2 (2)[2]  1.54 (1.54)
prob_1           7 (7)  3 (3)[1]  5 (5)[3]     1 (1)[1]
