Wolfram Mathworld defines Gram matrix as:
Given a set \(V\) of \(m\) vectors (points in \(\mathcal R^n\)), the Gram matrix \(G\) is the matrix of all possible inner products of \(V\), i.e., \[ g_{ij} = \mathbf v_i^T \mathbf v_j \]
Wolfram Mathworld defines Gram matrix as:
Given a set \(V\) of \(m\) vectors (points in \(\mathcal R^n\)), the Gram matrix \(G\) is the matrix of all possible inner products of \(V\), i.e., \[ g_{ij} = \mathbf v_i^T \mathbf v_j \]