sciai.common.LeCunNormal ============================================ .. image:: https://mindspore-website.obs.cn-north-4.myhuaweicloud.com/website-images/r2.2/resource/_static/logo_source.svg :target: https://gitee.com/mindspore/mindscience/blob/r0.5/docs/api_python/sciai/common/sciai.common.LeCunNormal.rst :alt: 查看源文件 .. py:class:: sciai.common.LeCunNormal() 生成一个服从Yan LeCun正态分布 :math:`{N}(0, \text{sigma}^2)` 的随机数组用于初始化Tensor,其中: .. math:: sigma = \sqrt{\frac{1}{fan\_in}} `fan_in` 是权重Tensor中输入单元的数量。 更多关于Yan LeCun正态分布的细节请参考: `Neural Tangent Kernel: Convergence and Generalization in Neural Networks <https://proceedings.neurips.cc/paper/2018/hash/5a4be1fa34e62bb8a6ec6b91d2462f5a-Abstract.html>`_。