▾ Set of symbols
▾ Alphabet
▾ Deduction system
▾ Theory
▾ Zermelo-Fraenkel set theory
▾ Set
▾ Binary cartesian set product
▾ Binary relation
▾ Map
▾ Countable map
▾ Array
▾ Matrix
▾ Matrix column index set
▾ Column matrix
▾ Complex column matrix
▾ Euclidean complex dot product
Euclidean real dot product
Formulation 0
Let $x, y \in \mathbb{R}^{N \times 1}$ each be a D5200: Real column matrix.
The dot product of $(x, y)$ is the D993: Real number \begin{equation} \sum_{n = 1}^N x_n y_n \end{equation}