Jul 12, 2011 · I want to define a two-dimensional array without an initialized length like this: Matrix = [][] But this gives an error: IndexError: list index out of range

Maybe an overkill in most cases, but here is a basic 2d array implementation that leverages hardware array implementation using python ctypes (c libraries) import ctypes

Create a two-dimensional array with two one-dimensional arrays Asked 11 years, 11 months ago Modified 2 years, 5 months ago Viewed 195k times

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 …

3 If you are concerned about memory footprint, the Python standard library contains the array module; these arrays contain elements of the same type.

b = np.reshape(a, (1,np.product(a.shape)))[0] but this requires me to know how many dimensions the original array has (and concatenate [0]'s when working with higher dimensions) Is there a …

Jun 15, 2012 · I am trying to create a 2d array or list or something in Python. I am very new to the language, so I do not know all the ins and outs and different types or libraries. Basically, I have …

There is no array type in python, but to emulate it we can use lists. I want to have 2d array-like structure filled in with zeros. My question is: what is the difference, if any, in this two expres...

Oct 3, 2009 · Just to make it clear: In Python you usually use a data type called a list. Python has a special-purpose data type called an array which is more like a C array and is little used.

Jun 30, 2011 · How to make a copy of a 2D array in Python? [duplicate] Asked 13 years, 11 months ago Modified 7 years, 2 months ago Viewed 145k times