Update minibatch.md

Author: ChrisRackauckas

docs/src/examples/minibatch.md

@@ -25,8 +25,8 @@ function dudt_(u,p,t)
 end
 
 function predict_adjoint(time_batch)
-    Array(concrete_solve(prob, Tsit5(),
-    u0, θ, saveat = time_batch)) 
+    _prob = remake(prob,u0=u0,p=θ)
+    Array(solve(_prob, Tsit5(), saveat = time_batch)) 
 end
 
 function loss_adjoint(batch, time_batch)