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fix: chapter8 batch processing #54

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fix: chapter8 batch processing #54

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fix: chapter8 batch processing
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@andreinechaev
andreinechaev committed Nov 20, 2020
commit a63f80d56632d0984698fda9e13a0267776e0e87
12 changes: 6 additions & 6 deletions Chapter8 - Intro to Regularization - Learning Signal and Ignoring Noise.ipynb
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Original file line number Diff line number Diff line change
Expand Up @@ -426,12 +426,12 @@
" for k in range(batch_size):\n",
" correct_cnt += int(np.argmax(layer_2[k:k+1]) == np.argmax(labels[batch_start+k:batch_start+k+1]))\n",
"\n",
" layer_2_delta = (labels[batch_start:batch_end]-layer_2)/batch_size\n",
" layer_1_delta = layer_2_delta.dot(weights_1_2.T)* relu2deriv(layer_1)\n",
" layer_1_delta *= dropout_mask\n",
" layer_2_delta = (labels[batch_start:batch_end]-layer_2)\n",
" layer_1_delta = layer_2_delta.dot(weights_1_2.T)* relu2deriv(layer_1)\n",
" layer_1_delta *= dropout_mask\n",
"\n",
" weights_1_2 += alpha * layer_1.T.dot(layer_2_delta)\n",
" weights_0_1 += alpha * layer_0.T.dot(layer_1_delta)\n",
" weights_1_2 += alpha * layer_1.T.dot(layer_2_delta)\n",
" weights_0_1 += alpha * layer_0.T.dot(layer_1_delta)\n",
" \n",
" if(j%10 == 0):\n",
" test_error = 0.0\n",
Expand Down Expand Up @@ -482,4 +482,4 @@
},
"nbformat": 4,
"nbformat_minor": 2
}
}