Gram matrix

Given an ordered collection of vectors $(𝑣 𝑖) 𝑛 𝑖 = 1$ in an inner product or quadratic space $(𝑉, ⟨ - | - ⟩)$ , the Gram matrix is the matrix whose entries are the inner product of vectors, #m/def/linalg i.e.

𝐺 𝑖 𝑗 = ⟨ 𝑣 𝑖 | 𝑣 𝑗 ⟩

#state/tidy | #lang/en | #SemBr