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Fix create_head initialization in 15_arch_details.ipynb (#383)

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Fixed as per the solution in https://forums.fast.ai/t/chapter-15-fastai-book-issue-siamese-training-running-mean/84534
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Pedro Pereira 2021-01-17 18:07:21 +00:00 committed by GitHub
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commit 663431d1ee
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1 changed files with 3 additions and 3 deletions
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15_arch_details.ipynb
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@ -350,7 +350,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"Then we can create our head. A look at the encoder tells us the last layer has 512 features, so this head will need to receive `512*4`. Why 4? First we have to multiply by 2 because we have two images. Then we need a second multiplication by 2 because of our concat-pool trick. So we create the head as follows:"
"Then we can create our head. A look at the encoder tells us the last layer has 512 features, so this head will need to receive `512*2`. Why 2? We have to multiply by 2 because we have two images. So we create the head as follows:"
]
},
{
@ -359,7 +359,7 @@
"metadata": {},
"outputs": [],
"source": [
"head = create_head(512*4, 2, ps=0.5)"
"head = create_head(512*2, 2, ps=0.5)"
]
},
{