Clean up my own mess

Author: hersle

docs/src/tutorials/nonlinear.md

@@ -12,11 +12,12 @@ using ModelingToolkit, NonlinearSolve
 # Define a nonlinear system
 @variables x y z
 @parameters σ ρ β
-@mtkbuild ns = NonlinearSystem([
-    0 ~ σ * (y - x)
-    0 ~ x * (ρ - z) - y
-    0 ~ x * y - β * z
-])
+eqs = [0 ~ σ * (y - x)
+       0 ~ x * (ρ - z) - y
+       0 ~ x * y - β * z]
+guesses = [x => 1.0, y => 0.0, z => 0.0]
+ps = [σ => 10.0, ρ => 26.0, β => 8 / 3]
+@mtkbuild ns = NonlinearSystem(eqs)
 
 guesses = [x => 1.0, y => 0.0, z => 0.0]
 ps = [σ => 10.0, ρ => 26.0, β => 8 / 3]