I can take the first element of this array to manually convert it to a 1D array: b = np.reshape(a, (1,np.product(a.shape)))[0] but this requires me to know how many dimensions the original …

Sep 25, 2012 · I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this: > import numpy …

Mar 25, 2015 · That said, it seems strange to expect Numpy to be helpful here, since the inputs aren't the same length and thus there's no approach involving a rectangular array. Sure, the …

Jun 15, 2020 · @High-Octane, he does call it an array, and use a [numpy] tag. And the display(s) is normal for numpy arrays, not lists. In numpy reshape (and ravel) produces a view (usually), …

Jan 19, 2021 · I have three 2D np.array that mathematically are [8:1550] matrices, and I want to express them into 1D np.array of 12400 numbers (8 x 1550 = 12400...) so that I could create a …

Aug 30, 2018 · I am new to python and need to do the following thing: I've given an 1d array of vectors (so pretty much 2d). My task is to create an 1d array that contains the length of each …

Oct 29, 2022 · If what you are interested is that the flatten array still prints in 3 lines, well, no. You can see here that people who want to do that start with the exact reverse operation: reshape …

Mar 7, 2015 · Is there a pythonic way to convert a structured array to vector? For example: I'm trying to convert an array like: [(9,), (1,), (1, 12), (9,), (8,)] to a vector like ...

Sep 7, 2017 · I have a simple 2D dataframe with index and columns. I need to export it to an excel file by using my colleague's layout, e.g. a single row with a multiindex columns of 2 levels. The …

Mar 16, 2018 · Is there a built-in function to join two 1D arrays into a 2D array? Consider an example: X=np.array([1,2]) y=np.array([3,4]) result=np.array([[1,3],[2,4]]) I can think of 2 simple …