#NEWLINE# def psiDerivativecomputations( dL_dpsi0 , dL_dpsi1 , dL_dpsi2 , variance , lengthscale , Z , variational_posterior ) : #NEWLINE# #INDENT# ARD = ( len ( lengthscale ) != 1 ) #NEWLINE# ( dvar_psi1 , dl_psi1 , dZ_psi1 , dmu_psi1 , dS_psi1 , dgamma_psi1 ) = _psi1compDer ( dL_dpsi1 , variance , lengthscale , Z , variational_posterior . mean , variational_posterior . variance , variational_posterior . binary_prob ) #NEWLINE# ( dvar_psi2 , dl_psi2 , dZ_psi2 , dmu_psi2 , dS_psi2 , dgamma_psi2 ) = _psi2compDer ( dL_dpsi2 , variance , lengthscale , Z , variational_posterior . mean , variational_posterior . variance , variational_posterior . binary_prob ) #NEWLINE# dL_dvar = ( ( np . sum ( dL_dpsi0 ) + dvar_psi1 ) + dvar_psi2 ) #NEWLINE# dL_dlengscale = ( dl_psi1 + dl_psi2 ) #NEWLINE# if ( not ARD ) : #NEWLINE# #INDENT# dL_dlengscale = dL_dlengscale . sum ( ) #NEWLINE# #UNINDENT# dL_dgamma = ( dgamma_psi1 + dgamma_psi2 ) #NEWLINE# dL_dmu = ( dmu_psi1 + dmu_psi2 ) #NEWLINE# dL_dS = ( dS_psi1 + dS_psi2 ) #NEWLINE# dL_dZ = ( dZ_psi1 + dZ_psi2 ) #NEWLINE# return ( dL_dvar , dL_dlengscale , dL_dZ , dL_dmu , dmu_psi1 , dL_dgamma )