Conditional formatting of arrays in Numpy Python

I am trying to make a function where if the last value of order is 1 then the code will append 1 to orders and then append the number 20 to the value array as well. If the last value is 0 in order …

Iterating through multiple rows using multiple values from nested dictionary to update data frame in python

I created nested dictionary to keep multiple values for each combination, example rows in the dictionary is as follows:- dict = {‘A’: {B: array([1,2,3,4,5,6,7,8,9,10]), C: array([array([1,2,3,4,5,6,7,…

How to using numpy.argsort on a 2D array to sort another 2D array

I use numpy.argsort all the time for 1D data, but it seems to behaving differently in 2D. For example, let’s say I want to argsort this array along axis 1 so the items in each row are in ascending …

sum the elements of 2 NumPy arrays

import numpy as np n1=np.array([10,20,30,40,50,60]) n2=np.array([50,60,70,80]) np.sum([n1,n2]) ValueError Traceback (most recent call last)

Optimizing a standard deviation function Pandas Numpy Python

The std pandas function below calculates the standard deviation of every nth value defined by number. So it would take the the values of PC_list with indexes [0,1,2,3,4,5] and calculate the standard …

Python – TicTacToe

In this question I have to create a TicTacToe game in python which will run in terminal. This is a 2player game and if any player wins by the rules of TicTacToe, Winner = player 1/2 has to be printed….

Python add 1d array to 2d array by column

I have a 1d array and 2d array a = [4,7,10] b = [[1,2,3],[4,5,6],[7,8,9]] a.shape = (2,) b.shape = (3,3) I want: c = [[1,2,3,4],[4,5,6,7],[7,8,9,10]] c.shape = (3,4) I tried np.vstack, np.concenrate …

Iterate over 2D numpy array to find corresponding maximum values

I have a set of data as such: interactions=np.array([[0,1], [0,2], [0,3], [1,2], [1, 4], [2, 1], [2,5], [2,7]]) I need to iterate over each value in the first column, find the corresponding maximum …

How to start a for loop from the end of a vector, and at the value 0 do something

I have to start looping a vector from its end to zero. When I meet the value 0 I need to replace it with the sum of the three previews values. The exception will be for the first zero met, I need just …

Rearrange elements in numpy array to plot a 3d array in 2d, preserving grouping

Hello I have a 3d numpy array of shape (nc, nx, ny). I would like to plot it (with matpoltlib) using x and y as the axis, but in such a way that all c values are close to each other and arranged in a …