Broadcasting.md (420B)
1 # Broadcasting 2 3 **Source:** Deep Learning 4 5 **Chapter:** 2 6 7 **Definition:** Broadcasting is the process of iteratively applying a lower dimensional operation on higher dimensional structures. 8 9 Something interesting; when we say $D = B + c$ where $c \in \mathbb{R^n}$, and $D,B \in R^{m,n}$, then $D_{i,j} = B_{i,j} + c_{j}$, meaning the implicit addition of a vector to a matrix adds the vector to each row, not column.