1 сент. 2009 г. · A simple use of De Moivre's formula, is sufficient to show that the cube root of a value, regardless of sign, is a multi-valued function. How to get the real cube root of a negative number in Python3? Cube root of negative numbers in a numpy array returns nan Cubic Root in python without using the power operator Wrong value for cube root in Python - Stack Overflow Другие результаты с сайта stackoverflow.com

27 дек. 2019 г. · Python doesn't know that it's a cube root so it doesn't return what would usually be defined as the principal cube root of a negative number.

25 нояб. 2017 г. · I used this workaround: def cubic_pow(n): if n < 0: return -(-n) ** (1.0 / 3.0) else: return n ** (1.0 / 3.0) That's because it's −(−n

14 авг. 2020 г. · You could implement a separate function for roots called root . If it's an odd integer root, return sign(x)*root(abs(x)) using pow . It could be ...

26 окт. 2022 г. · Our task in this article is to find the cube root of a given number using python. The cube root is represented using the symbol “ 3 √ a ”.

Продолжительность: 1:46
Опубликовано: 22 нояб. 2023 г.

7 мар. 2011 г. · If you ask for the cube root of a negative number, it returns the real valued, negative cube root. Here, I just asked for "cbrt -8", for example. Why do I get an imaginary result for the cube root of a negative ... When can you take the nth root of a negative number? Другие результаты с сайта math.stackexchange.com

9 июн. 2021 г. · > Perhaps because it is so easy to write x**(1/3), and if you want a real root of negative argument, it is -(-x)**(1/3).

27 июл. 2023 г. · This method uses the iterative method of computing the cubic root of a number. The idea is to start with an initial guess and improve the guess iteratively.

24 дек. 2017 г. · Perform & execute a python program that prints absolute value, square root and cube of a number by importin9 appropriate module.