ex-6, ex-7: change 'try and catch' for 'hit-miss'

notes/sections/3.md

@@ -17,7 +17,7 @@ $$
   \alpha_0 = 0.65 \et \beta_0 = 0.06 \et \gamma_0 = -0.18
 $$
 
-To generate the points a *try and catch* method was employed:
+To generate the points a *hit-miss* method was employed:
 
 1. generate a point $(\theta , \phi)$ uniformly on a unit sphere,
 2. generate a third value $Y$ uniformly in $[0, 1]$,

notes/sections/6.md

@@ -50,7 +50,7 @@ where:
 }
 \end{figure}
 
-Once again, the *try and catch* method described in @sec:3 was implemented and
+Once again, the *hit-miss* method described in @sec:3 was implemented and
 the same procedure about the generation of $\theta$ was applied. This time,
 though, $\theta$ must be evenly distributed on half sphere, hence:
 \begin{align*}