[New post] Python code snippet – How to scale an array between two values ?

Subash Chandran posted: "import numpy as np a = np.random.rand(3,2) # Normalised [0,1] b = (a - np.min(a))/np.ptp(a) # Normalised [0,255] as integer: don't forget the parenthesis before astype(int) c = (255*(a - np.min(a))/np.ptp(a)).astype(int) # Normalised [-1,1] d " New post on Poopcode Python code snippet – How to scale an array between two values ? by Subash Chandran import numpy as np a = np.random.rand(3,2) # Normalised [0,1] b = (a - np.min(a))/np.ptp(a) # Normalised [0,255] as integer: don't forget the parenthesis before astype(int) c = (255*(a - np.min(a))/np.ptp(a)).astype(int) # Normalised [-1,1] d = 2.*(a - np.min(a))/np.ptp(a)-1 Read more of this post Subash Chandran | October 19, 2021 at 10:08 am | Tags: normalize between negative 1 and 1 numpy, numpy change range of array, numpy scale array, numpy scale data | Categories: Snippets | URL: https://wp.me/pb9kQA-3Tx Comment    See all comments Unsubscribe to no longer receive posts from Poopcode. Change your email settings at Manage Subscriptions. Trouble clicking? Copy and paste this URL into your browser: https://poopcode.com/python-code-snippet-how-to-scale-an-array-between-two-values/