def sivmselect(self):
sivmmdl = SIVM(self.data, num_bases=self._nsub, compute_w=True, compute_h=False, dist_measure='cosine')
sivmmdl.initialization()
sivmmdl.factorize()
idx = sivmmdl.select
return idx
def sample(self, A, c):
# for optimizing the volume of the submatrix, set init to 'origin' (otherwise the volume of
# the ordinary simplex would be optimized)
sivm_mdl = SIVM(A, num_bases=c, dist_measure=self._dist_measure,
init=self.init)
sivm_mdl.factorize(show_progress=False, compute_w=True, niter=1,
compute_h=False, compute_err=False)
return sivm_mdl.select
