수학1-2장과제- 이승민-문제2

1201 days 전, seung_min526@naver.com 작성

var('x, y') # 변수 선언 f(x, y) = 7*x^4+8*x^2*y+14*x^2*y+y^2 x0,y0 = 2,1 implicit_plot(f(x, y)==0, (x, -20, 20), (y, -20, 20)) 
       
fx=diff(f(x, y), x) fy=diff(f(x, y), y) m(x,y)=-fx/fy p1=implicit_plot(f(x, y)==0, (x, -10, 10), (y, -10, 10)) p2=implicit_plot(y-y0==m(x0,y0)*(x-x0), (x, -10, 10), (y, -10, 10), color='green') show(p1+p2)