#NEWLINE# def exactdist( self , xzero , t ) : #NEWLINE# #INDENT# expnt = np . exp ( ( ( - self . lambd ) * t ) ) #NEWLINE# meant = ( ( meant * expnt ) + self . _exactconst ( expnt ) ) #NEWLINE# stdt = self . _exactstd ( expnt ) #NEWLINE# return stats . norm ( loc = meant , scale = stdt )