Python Programming Language

Does Python or any of its modules have an equivalent of MATLAB's conv2 function? More specifica… Read more Is There A Python Equivalent Of Matlab's Conv2 Function?

This is a follow-up question to Creating a matrix from Pandas dataframe to display connectedness. T… Read more Creating A Matrix From Pandas Dataframe To Display Connectedness - 2

I would like to convert a numpy array with dtype=object to a sparse array e.g. csr_matrix. However,… Read more Convert Numpy Object Array To Sparse Matrix

I'm trying to better understand python optimization so this is a dummy case, but hopefully outl… Read more Building 3d Arrays In Python To Replace Loops For Optimization

I prepare a numpy matrix then use matplotlib to plot the matrix, such as: >>> import numpy… Read more Matplotlib Plot Numpy Matrix As 0 Index

I would like to index a column vector in a matrix in Python/numpy and have it returned as a column … Read more Selecting A Column Vector From A Matrix In Python

So i have a vector created with Numpy called V = [10 20 30 40 0 1] And i want a matrix M like t… Read more Put A Vector Inside A Matrix + Transformation

How do I take a matrix such as: matrix = [[2,0,2],[0,2,0],[2,0,2]] and transform it to [[4,0,4],[0,… Read more Python Matrix Manipulation - Square Each Element

I am profiling a numpy dot product call. numpy.dot(pseudo,pseudo) pseudo is a numpy array of cust… Read more Reasons Of Slowness In Numpy.dot() Function And How To Mitigate Them If Custom Classes Are Used?

I am struggeling in writing the output of my code to a txt file while keeping the format. Here is t… Read more Python - Write Matrix To Txt File, Keep Formatting

I have a sparse csc matrix with many zero elements for which I would like to compute the product of… Read more Multiplying Column Elements Of Sparse Matrix

Let's say that I have these 4 submatrices: print(A[0]) print(A[1]) print(A[2]) print(A[3]) [[ … Read more How To Form A Matrix From Submatrices?

Suppose I have 2 2D array as follows: A = [[1, 2], [3, 4]] B = [[5, 6, 7], [8, 9, 8], … Read more How To Combine Two 2d Array Into The Following In Python?

In numpy, I have an array of N 3x3 matrices. This would be an example of how I'm storing them (… Read more Multiple Matrix Multiplication

I need an efficient way to row standardize a sparse matrix. Given W = matrix([[0, 1, 0, 1, 0, 0, 0,… Read more Efficiently Row Standardize A Matrix

I take an input of a matrix import numpy as np l = np.array([input().split() for _ in range(3)], dt… Read more Maximum Column And Row Sum Of Matrix In Python

Suppose I have data = [[a, a, c], [b, c, c], [c, b, b], [b, a, c]] I want to get a list contain… Read more Simplest Way To Find The Element That Occurs The Most In Each Column

I have an adjacency list where each array represents non-zero columns at that row (e.g. 0th array i… Read more How To Select A Submatrix From An Adjacency List In Python?

I have a matrix file (which python reads like a list of lists) and I need to tell if a word from a … Read more Finding Word In A Matrix

Is it possible using numpy for python (versions 3.3) to write the code for building an nxn matrix, … Read more Building An Nxn Matrix In Python Numpy, For Any N