擅长:python、mysql、java
<p>下面是执行此操作的代码:</p>
<pre><code> def cross_entropy_with_softmax_plus_regularization(model, labels, l2_regularization_weight):
w_norm = C.Constant(0);
for p in (model.parameters):
w_norm = C.plus(w_norm, 0.5*C.reduce_sum(C.square(p)))
return C.reduce_log_sum_exp(model.output) -
C.reduce_log_sum_exp(C.times_transpose(labels, model.output)) + l2_regularization_weight*w_norm
</code></pre>
<p>以及我的博客文章</p>