[KR] 13-3 Translation (Atcold#704)

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Co-authored-by: GIO PAIK <[email protected]>
Co-authored-by: Alfredo Canziani <[email protected]>

Author: 3 people

docs/ko/week13/13-1.md

@@ -301,7 +301,7 @@ For example, in this image, the kernel may be used to recognize lines.
 
 More exactly, convolution is defined as follows:
 
-$$h_i^{\ell+1} = w^\ell * h_i^\ell$$
+$$h_i^{\ell_1} = w^\ell * h_i^\ell$$
 
 $$ = \sum_{j\in\Omega}\langle w_j^\ell, h_{i-j}^\ell\rangle$$
 
@@ -314,7 +314,8 @@ $$=\sum_{j\in\mathcal{N}_i} \langle \Bigg[w_j^\ell\Bigg], \Bigg[h_{ij}\Bigg]\ran
 
 좀 더 깊게 설명하자면, 합성곱은 다음과 같이 정의된다: 
 
-$$h_i^{\ell+1} = w^\ell * h_i^\ell$$
+
+$$h_i^{\ell_1} = w^\ell * h_i^\ell$$
 
 $$ = \sum_{j\in\Omega}\langle w_j^\ell, h_{i-j}^\ell\rangle$$