Merge branch 'master' into sparse_data

Author: DesmondYuan

configs/debugger.cfg.json configs/debugger.CellBox_RandomPartition.json

@@ -20,13 +20,13 @@
   "polynomial_k": 3,
   "envelop":2,
   "ode_degree": 1,
-  "ode_solver": "heun",
-  "ode_last_steps": 20,
+  "ode_solver": "rk4",
+  "ode_last_steps": 2,
 
-  "n_epoch": 1000,
-  "n_iter": 50000,
-  "n_iter_buffer":5,
-  "n_iter_patience":50,
+  "n_epoch": 10000,
+  "n_iter": 10000,
+  "n_iter_buffer":50,
+  "n_iter_patience":20,
 
   "stages":[{
     "nT": 100,