Skip to content Skip to sidebar Skip to footer
Showing posts with the label Arrays

Numpy Array Directional Mean Without Dimension Reduction

How would I do the following: With a 3D numpy array I want to take the mean in one dimension and as… Read more Numpy Array Directional Mean Without Dimension Reduction

Array Of Arrays (python/numpy)

I am using Python/NumPy, and I have two arrays like the following: array1 = [1 2 3] array2 = [4 5 6… Read more Array Of Arrays (python/numpy)

Csv Row Import Into Python Array

I have csv file in the following format a b c d 1 12.0 3.5 4.3 5.9 … Read more Csv Row Import Into Python Array

Pcolor Data Plot In Python

I'm trying to plot a matrix in python using pcolor. This is my code but it's not working. c… Read more Pcolor Data Plot In Python

Convert Numpy Object Array To Sparse Matrix

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

Printing Random 1-d Arrays In Python

This code gives 2D arrays but I need multiple 1-dimensional arrays with random numbers. a,b,c,d,e=[… Read more Printing Random 1-d Arrays In Python

How To Find The Longest Consecutive Chain Of Numbers In An Array

For example we have [0, 1, 3, 5, 7, 8, 9, 10, 12, 13] . The result must be 7, 8, 9, 10 because the… Read more How To Find The Longest Consecutive Chain Of Numbers In An Array

Delete A Column In A Multi-dimensional Array If All Elements In That Column Satisfy A Condition

I have a multi-dimensional array such as; a = [[1,1,5,12,0,4,0], [0,1,2,11,0,4,2], [0,4,3… Read more Delete A Column In A Multi-dimensional Array If All Elements In That Column Satisfy A Condition

Why Is The Dtype Shown (even If It's The Native One) When Using Floor Division With Numpy?

Normally the dtype is hidden when it's equivalent to the native type: >>> import numpy… Read more Why Is The Dtype Shown (even If It's The Native One) When Using Floor Division With Numpy?

Sklearn Transform Error: Expected 2d Array, Got 1d Array Instead

I use sklearn to transform data with this code. sc = MinMaxScaler() test= df['outcome'] y … Read more Sklearn Transform Error: Expected 2d Array, Got 1d Array Instead

Take Screenshot Of Multiple Urls Using Selenium (python)

I am trying to take a screenshot of multiple websites using python selenium library. Here I have an… Read more Take Screenshot Of Multiple Urls Using Selenium (python)

Variable Area Threshold For Identifying Objects - Python

I have an array which contains information of the size and location a series of shapes: where the a… Read more Variable Area Threshold For Identifying Objects - Python

How Do You Calc The Mean Along An Axis Of Numpy Array?

I am new to python. Here is my three dimensional array: my_data=numpy.zeros((index1,index2,index3))… Read more How Do You Calc The Mean Along An Axis Of Numpy Array?

Convert From Byte Array To Image

I have data of length 498, and I want to convert it to an image. The data (byte array) is: ba = [4,… Read more Convert From Byte Array To Image

Building 3d Arrays In Python To Replace Loops For Optimization

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

Numpy 2d Array Extrude

I am new to numpy ndarrays and i couldn`t find any solution for my issue. I have say 10 files of fl… Read more Numpy 2d Array Extrude

Elements Arrangement In A Numpy Array

import numpy as np data = np.array([[0, 0, 1, 1, 2, 2], [1, 0, 0, 1, 2, 2], … Read more Elements Arrangement In A Numpy Array

Python Modifying And Appending Values To Bi Dimensional List

I have a bi dimensional list where the inner dimension always has 3 values (first 2 values are str… Read more Python Modifying And Appending Values To Bi Dimensional List

Is The Mask Of A Structured Array Supposed To Be Structured Itself?

I was looking into numpy issue 2972 and several related problems. It turns out that all those prob… Read more Is The Mask Of A Structured Array Supposed To Be Structured Itself?

Multiplication/division Of 2d Numpy Arrays To Produce 3d Array

I am looking for a fast (ie vectorized) method to replace the following loop. I have 2 numpy arrays… Read more Multiplication/division Of 2d Numpy Arrays To Produce 3d Array