Update IdentityMapping.md

sofa-framework · Aug 9, 2024 · 79839ea · 79839ea
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diff --git a/30_Components/50_Mapping/Linear/IdentityMapping.md b/30_Components/50_Mapping/Linear/IdentityMapping.md
@@ -9,9 +9,7 @@ In other words, the identity function directly maps each element to itself witho
 
 Mathematically, this can be expressed as:
 
-$$
-f(x)=x
-$$
+$ f(x)=x $
 
 for all $x$ in the domain.