Update tutorials/DiffEqUncertainty/02-AD_and_optimization.jmd

Author: ChrisRackauckas

tutorials/DiffEqUncertainty/02-AD_and_optimization.jmd

@@ -277,7 +277,7 @@ The probability of impacting the wall is now
 ```
 We can check if this is within tolerance by
 ```julia
-λ - 0.01 <= 1e-5
+abs(λ - 0.01) <= 1e-5
 ```
 
 Again, we plot some Monte Carlo simulations from this result as follows
@@ -305,4 +305,4 @@ end
 ```{julia; echo=false; skip="notebook"}
 using SciMLTutorials
 SciMLTutorials.tutorial_footer(WEAVE_ARGS[:folder],WEAVE_ARGS[:file])
-```
+```