pip install setuptools 함수 그래프y = 2x + 3 (* x의 범위는 -5 ~ 5) from sympy import *from sympy.plotting import plotx = symbols('x')f = 2 * x + 3plot(f, (x, -5, 5)) f = x² + 1 x = symbols('x')f = x ** 2 + 1plot(y, (f, -5, 5)) f = ex x = symbols('x')f = exp(x)plot(f, (x, -5, 5)) f = 2x + 3y from sympy import *from sympy.plotting import plot3dx = symbols('x')y = symbols('y')f = 2 * x + 3 * yplot3d(f) ..