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python Programming Glossary: np.lib.stride_tricks.as_stridedFast Way to slice image into overlapping patches and merge patches to image http://stackoverflow.com/questions/16774148/fast-way-to-slice-image-into-overlapping-patches-and-merge-patches-to-image by one strides img.itemsize np.array Y 1 Y 1 return np.lib.stride_tricks.as_strided img shape shape strides strides This function returns a view..
Efficient Numpy 2D array construction from 1D array http://stackoverflow.com/questions/4923617/efficient-numpy-2d-array-construction-from-1d-array window 1 window strides a.itemsize a.itemsize return np.lib.stride_tricks.as_strided a shape shape strides strides a np.arange 10 print rolling a.. 1 window 1 window strides a.strides a.strides 1 return np.lib.stride_tricks.as_strided a shape shape strides strides So let's look into what's going..
Using strides for an efficient moving average filter http://stackoverflow.com/questions/4936620/using-strides-for-an-efficient-moving-average-filter 1 window 1 window strides a.strides a.strides 1 return np.lib.stride_tricks.as_strided a shape shape strides strides def rolling_window a window if..
Rolling window for 1D arrays in Numpy? http://stackoverflow.com/questions/6811183/rolling-window-for-1d-arrays-in-numpy
Using Numpy stride_tricks to get non-overlapping array blocks http://stackoverflow.com/questions/8070349/using-numpy-stride-tricks-to-get-non-overlapping-array-blocks 2 2 shape h bh w bw bh bw strides w sz sz w sz sz blocks np.lib.stride_tricks.as_strided a shape shape strides strides print blocks 0 0 assert blocks.. sz np.array w bh bw w 1 print strides # 40 8 20 4 blocks np.lib.stride_tricks.as_strided a shape shape strides strides print blocks # 1 2 # 6 7 # 3 4..
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