Python-sympy科学计算与数据处理(数学表达式)

数学表达式

from sympy import *
1/2+1/3
S(1)/2+1/S(3)
Out[4]: 5/6

Rational(5,10)
Out[5]: 1/2

x,y = symbols("x y")
factor(15*x**2+2*y-3*x-10*x*y)
Out[7]: (3*x - 2*y)*(5*x - 1)