Conjugate gradient minimization of nonlinear functions with box constraints incorporating the Dai/Yuan update. This implementation should be used in place of the "CG" algorithm of the optim() function.
copied from cf-staging / r-rcgmin
conda install conda-forge::r-rcgminconda install conda-forge/label/cf201901::r-rcgminconda install conda-forge/label/cf202003::r-rcgminconda install conda-forge/label/gcc7::r-rcgmin