Element-wise addition is often used in machine learning, in this tutorial, we will introduce it for machine learning beginners.
What is element-wise addition
element-wise addition is also called matrix addtion, for example:
There is an example to show how to calculate element-wise addtion.
If the dimension of \(A\) and \(B\) is different, we may to add each element by row or column.
Here is an example:
The symbol of element-wise addition
In academic papers, we often use \(\oplus\) symbol to express element-wise addition. Here is an example: