1e41f4b71Sopenharmony_ci# Activation 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci激活类型的算子，所有的激活函数都属于该算子，具体的激活函数类型一句参数来确定。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci该算子对应的[NodeType](_n_n_rt_v20.md#nodetype)为NODE_TYPE_ACTIVATION。 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci输入： 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci- x，n维张量。 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci输出： 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci- 输出x经过激活函数之后的张量。 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci**起始版本：** 3.2 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci**相关模块：**[NNRt](_n_n_rt_v20.md) 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci## 汇总 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci### Public 属性 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci| 名称 | 描述 | 29e41f4b71Sopenharmony_ci| -------- | -------- | 30e41f4b71Sopenharmony_ci| enum [ActivationType](_n_n_rt_v20.md#activationtype)[activationType](#activationtype) | 激活函数类型。 | 31e41f4b71Sopenharmony_ci| float [alpha](#alpha) | 尺寸因子，用于LeakyReLU和ELU激活函数。 | 32e41f4b71Sopenharmony_ci| float [minVal](#minval) | 最小值，用于HardTanh激活函数。 | 33e41f4b71Sopenharmony_ci| float [maxVal](#maxval) | 最大值，用于HardTanh激活函数。 | 34e41f4b71Sopenharmony_ci| boolean [approximate](#approximate) | 是否使用近似算法，用于GRLU激活函数。 | 35e41f4b71Sopenharmony_ci 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci## 类成员变量说明 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ci### activationType 41e41f4b71Sopenharmony_ci 42e41f4b71Sopenharmony_ci``` 43e41f4b71Sopenharmony_cienum ActivationType Activation::activationType 44e41f4b71Sopenharmony_ci``` 45e41f4b71Sopenharmony_ci**描述** 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci激活函数类型。 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci 50e41f4b71Sopenharmony_ci### alpha 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_ci``` 53e41f4b71Sopenharmony_cifloat Activation::alpha 54e41f4b71Sopenharmony_ci``` 55e41f4b71Sopenharmony_ci**描述** 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci尺寸因子，用于LeakyReLU和ELU激活函数。 58e41f4b71Sopenharmony_ci 59e41f4b71Sopenharmony_ci 60e41f4b71Sopenharmony_ci### approximate 61e41f4b71Sopenharmony_ci 62e41f4b71Sopenharmony_ci``` 63e41f4b71Sopenharmony_ciboolean Activation::approximate 64e41f4b71Sopenharmony_ci``` 65e41f4b71Sopenharmony_ci**描述** 66e41f4b71Sopenharmony_ci 67e41f4b71Sopenharmony_ci是否使用近似算法，用于GRLU激活函数。 68e41f4b71Sopenharmony_ci 69e41f4b71Sopenharmony_ci 70e41f4b71Sopenharmony_ci### maxVal 71e41f4b71Sopenharmony_ci 72e41f4b71Sopenharmony_ci``` 73e41f4b71Sopenharmony_cifloat Activation::maxVal 74e41f4b71Sopenharmony_ci``` 75e41f4b71Sopenharmony_ci**描述** 76e41f4b71Sopenharmony_ci 77e41f4b71Sopenharmony_ci最大值，用于HardTanh激活函数。 78e41f4b71Sopenharmony_ci 79e41f4b71Sopenharmony_ci 80e41f4b71Sopenharmony_ci### minVal 81e41f4b71Sopenharmony_ci 82e41f4b71Sopenharmony_ci``` 83e41f4b71Sopenharmony_cifloat Activation::minVal 84e41f4b71Sopenharmony_ci``` 85e41f4b71Sopenharmony_ci**描述** 86e41f4b71Sopenharmony_ci 87e41f4b71Sopenharmony_ci最小值，用于HardTanh激活函数。 88