怎样将多项式转化二进制，要细致的过程，知道的请帮忙回答一下，谢谢啦！

Posted 2023-04-30

例子：X3+X+1转为二进制，X3前面系数为1，X2前系数为0（我知道你想问为什么要提到X2，我就不告诉你），X1前系数为1，常数项系数为1，二进制为1011。 参考技术A 其实就是对应的二进制按权展开的多项式，只不过省略了前面的系数。 参考技术B 额，没明白你的意思，你是要结果的二进制。还是要这个多项式的二进制表达？ 参考技术C 0乘以任何数都为0

python怎样将16进制转化为2进制

#coding=gbk
var=input("请输入十六进制数：")
b=bin(int(var,16))
print(b[2:])

运行结果

详细请参考python自带int函数、bin函数用法

参考网址：https://docs.python.org/3/library/functions.html?highlight=int#bin

class int(x, base=10)

Return an integer object constructed from a number or string x, or return 0 if no arguments are given. If x is a number, return x.__int__(). For floating point numbers, this truncates towards zero.

If x is not a number or if base is given, then x must be a string, bytes, or bytearray instance representing an integer literal in radix base. Optionally, the literal can be preceded by + or - (with no space in between) and surrounded by whitespace. A base-n literal consists of the digits 0 to n-1, with a to z (or A to Z) having values 10 to 35. The default base is 10. The allowed values are 0 and 2–36. Base-2, -8, and -16 literals can be optionally prefixed with 0b/0B, 0o/0O, or 0x/0X, as with integer literals in code. Base 0 means to interpret exactly as a code literal, so that the actual base is 2, 8, 10, or 16, and so that int('010', 0) is not legal, while int('010') is, as well as int('010', 8).

The integer type is described in Numeric Types — int, float, complex.

Changed in version 3.4: If base is not an instance of int and the base object has a base.__index__ method, that method is called to obtain an integer for the base. Previous versions used base.__int__ instead of base.__index__.

Changed in version 3.6: Grouping digits with underscores as in code literals is allowed.

2.bin(x)

Convert an integer number to a binary string. The result is a valid Python expression. If x is not a Python int object, it has to define an __index__() method that returns an integer.

参考技术A x='123abc'
b=bin(int(x,16))[2:]
print(b)