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2026-08-02 18:23
PyTorch `permute` vs `transpose`: What's the Difference (and the `reshape` Bug That Scrambles Your Images)
You loaded an image, got a tensor shaped (batch, height, width, channels), and your convolution wants (batch, channels, height, width). Stack Overflow says permute. Someone else says transpose. And reshape(2, 3, 28, 28) gives you the right shape too — so why is everyone making this complicated?
Because two of those three are the same tool, and the third one silently destroys your data.
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