closest

Finding the closest point from Point Cloud Data to point (0,0,0) Question: I made a program to plot a figure from point cloud data (x,y,z coordinates shown as list x_list, y_list, z_list). Now, I have to find the closest point to (0,0,0). Anybody has an idea to do that? Here is the program: import matplotlib.pyplot …

Finding k closest numbers to a given number Question: Say I have a list [1,2,3,4,5,6,7]. I want to find the 3 closest numbers to, say, 6.5. Then the returned value would be [5,6,7]. Finding one closest number is not that tricky in python, which can be done using min(myList, key=lambda x:abs(x-myNumber)) But I am trying …