Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
The operator $ \mathbb{E} \left[ \cdot \right] $ is the Expectation operatorOperator.
In the context above it means you run over all the pairs of x, y and average the values.
The operator $ \mathbb{E} \left[ \cdot \right] $ is the Expectation operator.
In the context above it means you run over all the pairs of x, y and average the values.
The operator $ \mathbb{E} \left[ \cdot \right] $ is the Expectation Operator.
In the context above it means you run over all the pairs of x, y and average the values.
The operator $ \mathbb{E} \left[ \cdot \right] $ is the Expectation operator.
In the context above it means you run over all the pairs of x, y and average the values.