Python approx_fprime1示例

示例#1

文件： gmm.py 项目： zzzz123321/pygwr

    def gradient_momcond(self, params, epsilon=1e-4, method='centered'):

        momcond = self.momcond_mean
        if method == 'centered':
            gradmoms = (approx_fprime1(params, momcond, epsilon=epsilon) +
                    approx_fprime1(params, momcond, epsilon=-epsilon))/2
        else:
            gradmoms = approx_fprime1(params, momcond, epsilon=epsilon)

        return gradmoms

示例#2

文件： count.py 项目： bolliger32/pygwr

    def grad(self, params=None, **kwds):
        if params is None:
            params = self.params
        kwds.setdefault("epsilon", 1e-4)
        from gwstatsmodels.sandbox.regression.numdiff import approx_fprime1

        return approx_fprime1(params, self.fun, **kwds)