def infer_var_s1_hat(self):

        rval =  1./ (self.model.alpha + self.model.w )

        rval.name = 'var_s1'

        return rval
Returns the variational parameter for the variance of s given h=1. This
dataset/ETHPy150Open lisa-lab/pylearn2/pylearn2/models/s3c.py/E_Step.infer_var_s1_hat