Neural Network

lawlite19 · lawlite19 · commit d8aec502449d · 2016-11-04T16:14:02.000+08:00
diff --git a/readme.md b/readme.md
@@ -403,8 +403,8 @@ from sklearn.linear_model import LogisticRegression
 
 - 所以可以得到：
  - 隐含层：  
-![a_1^{(2)} = g(\theta _{10}^{(1)}{x_0} + \theta _{11}^{(1)}{x_1} + \theta _{12}^{(1)}{x_2} + \theta _{13}^{(1)}{x_3})](http://chart.apis.google.com/chart?cht=tx&chs=1x0&chf=bg,s,FFFFFF00&chco=000000&chl=a_1%5E%7B%282%29%7D%20%3D%20g%28%5Ctheta%20_%7B10%7D%5E%7B%281%29%7D%7Bx_0%7D%20%2B%20%5Ctheta%20_%7B11%7D%5E%7B%281%29%7D%7Bx_1%7D%20%2B%20%5Ctheta%20_%7B12%7D%5E%7B%281%29%7D%7Bx_2%7D%20%2B%20%5Ctheta%20_%7B13%7D%5E%7B%281%29%7D%7Bx_3%7D%29)
-![a_2^{(2)} = g(\theta _{20}^{(1)}{x_0} + \theta _{21}^{(1)}{x_1} + \theta _{22}^{(1)}{x_2} + \theta _{23}^{(1)}{x_3})](http://chart.apis.google.com/chart?cht=tx&chs=1x0&chf=bg,s,FFFFFF00&chco=000000&chl=a_2%5E%7B%282%29%7D%20%3D%20g%28%5Ctheta%20_%7B20%7D%5E%7B%281%29%7D%7Bx_0%7D%20%2B%20%5Ctheta%20_%7B21%7D%5E%7B%281%29%7D%7Bx_1%7D%20%2B%20%5Ctheta%20_%7B22%7D%5E%7B%281%29%7D%7Bx_2%7D%20%2B%20%5Ctheta%20_%7B23%7D%5E%7B%281%29%7D%7Bx_3%7D%29)
+![a_1^{(2)} = g(\theta _{10}^{(1)}{x_0} + \theta _{11}^{(1)}{x_1} + \theta _{12}^{(1)}{x_2} + \theta _{13}^{(1)}{x_3})](http://chart.apis.google.com/chart?cht=tx&chs=1x0&chf=bg,s,FFFFFF00&chco=000000&chl=a_1%5E%7B%282%29%7D%20%3D%20g%28%5Ctheta%20_%7B10%7D%5E%7B%281%29%7D%7Bx_0%7D%20%2B%20%5Ctheta%20_%7B11%7D%5E%7B%281%29%7D%7Bx_1%7D%20%2B%20%5Ctheta%20_%7B12%7D%5E%7B%281%29%7D%7Bx_2%7D%20%2B%20%5Ctheta%20_%7B13%7D%5E%7B%281%29%7D%7Bx_3%7D%29)   
+![a_2^{(2)} = g(\theta _{20}^{(1)}{x_0} + \theta _{21}^{(1)}{x_1} + \theta _{22}^{(1)}{x_2} + \theta _{23}^{(1)}{x_3})](http://chart.apis.google.com/chart?cht=tx&chs=1x0&chf=bg,s,FFFFFF00&chco=000000&chl=a_2%5E%7B%282%29%7D%20%3D%20g%28%5Ctheta%20_%7B20%7D%5E%7B%281%29%7D%7Bx_0%7D%20%2B%20%5Ctheta%20_%7B21%7D%5E%7B%281%29%7D%7Bx_1%7D%20%2B%20%5Ctheta%20_%7B22%7D%5E%7B%281%29%7D%7Bx_2%7D%20%2B%20%5Ctheta%20_%7B23%7D%5E%7B%281%29%7D%7Bx_3%7D%29)   
 ![a_3^{(2)} = g(\theta _{30}^{(1)}{x_0} + \theta _{31}^{(1)}{x_1} + \theta _{32}^{(1)}{x_2} + \theta _{33}^{(1)}{x_3})](http://chart.apis.google.com/chart?cht=tx&chs=1x0&chf=bg,s,FFFFFF00&chco=000000&chl=a_3%5E%7B%282%29%7D%20%3D%20g%28%5Ctheta%20_%7B30%7D%5E%7B%281%29%7D%7Bx_0%7D%20%2B%20%5Ctheta%20_%7B31%7D%5E%7B%281%29%7D%7Bx_1%7D%20%2B%20%5Ctheta%20_%7B32%7D%5E%7B%281%29%7D%7Bx_2%7D%20%2B%20%5Ctheta%20_%7B33%7D%5E%7B%281%29%7D%7Bx_3%7D%29)
  - 输出层   
 ![{h_\theta }(x) = a_1^{(3)} = g(\theta _{10}^{(2)}a_0^{(2)} + \theta _{11}^{(2)}a_1^{(2)} + \theta _{12}^{(2)}a_2^{(2)} + \theta _{13}^{(2)}a_3^{(2)})](http://chart.apis.google.com/chart?cht=tx&chs=1x0&chf=bg,s,FFFFFF00&chco=000000&chl=%7Bh_%5Ctheta%20%7D%28x%29%20%3D%20a_1%5E%7B%283%29%7D%20%3D%20g%28%5Ctheta%20_%7B10%7D%5E%7B%282%29%7Da_0%5E%7B%282%29%7D%20%2B%20%5Ctheta%20_%7B11%7D%5E%7B%282%29%7Da_1%5E%7B%282%29%7D%20%2B%20%5Ctheta%20_%7B12%7D%5E%7B%282%29%7Da_2%5E%7B%282%29%7D%20%2B%20%5Ctheta%20_%7B13%7D%5E%7B%282%29%7Da_3%5E%7B%282%29%7D%29)
