8.5张量运算

1. 基本数学运算

   • 加减乘除运算

     image-20201212204508955

   • 幂指对数运算

     image-20201212204548192

2. 一维张量幂运算

   image-20201212204648603

3. 二维张量幂运算

   image-20201212204803711

4. 其他运算

   image-20201212204949111

5. 三角函数和反三角函数运算

   image-20201212205048368

6. 重载运算符

   image-20201212205138814 image-20201212205209271

7. 广播机制(broadcasting)

   image-20201212205357412

image-20201212205406720 image-20201212205531491 ​ image-20201212205559402

8. 张量乘法

   • 元素乘法

     tf.multiply()

     *运算符

   • 矩阵乘法

     tf.matmul()

     @运算符

9. 多维矩阵乘法

   image-20201212210036272

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10. 数据统计：求张量在某个维度上、或者全局的统计值

    image-20201212210316572

    • axis省略时求全局最值

    • tf.argmax(ts,axis=0); tf.argmin(ts,axis=0): 求最值的index

      image-20201212210550223

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