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handwrittennumeralrecognition_ann_cuda's Issues

Matrix类还需要一些方法

  1. 带索引的map函数,即在现在的map函数上加一个重载,让他可以接受这样的一个参数[=](T x,int r,int c){}。
  2. reduce函数,目前只用于向量求和,所以并不是特别需要,不行的话用map也可以实现求和。
  3. 矩阵拼接,这个是最重要的,不从类里面添加很难实现。现在需求主要是在每一行前面加上一个元素和在每一行后面加上一个元素,以及将两个向量连接成一个向量。
  4. 矩阵元素之间的加减法和乘法,或者考虑实现两个行列相同的矩阵的联合map函数。
  5. reshape函数,或者是重载一个构造方法,可以用原来的矩阵构造一个新矩阵,但是行列数不同(行列乘积一样)
  6. 按行map,矩阵的行和列好像是private属性,所以即使是简单的按行循环访问都有点麻烦,而且如果把这个写进类里的话避免循环将来也容易并行化。

数据文件错误

  • 第一次文件X.dat文件出问题了,中间貌似有错数据。我这边又生成了新的,晚上过去传46。如果急用,可以用readme里面的matlab代码生成。

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