from_gram

  ↳ distance

from_gram(g)

Given a Gram matrix, computes the corresponding distance of the basis vectors.

Mathematically, if the input g[i,j] is given by the matrix \(g_{i,j}\), then the output D[i,j] is given by \(D_{i,j}\):

\[D_{i,j} = g_{i,j} - g_{i,i} - g_{j,j}\]