Ch-8-Prob-11-New-김강섭

1840 days ago by matrix

 
       
[466111790/131836323  93222358/131836323]
[466111790/131836323  93222358/131836323]
A=matrix(QQ,2,[3,1,1,3]) A.eigenvectors_right() 
       
[(4, [
(1, 1)
], 1), (2, [
(1, -1)
], 1)]
[(4, [
(1, 1)
], 1), (2, [
(1, -1)
], 1)]
var('x y') f=3*x^2+2*x*y+3*y^2+3*x-2*y-30 implicit_plot(f==0, (x,-10,10), (y,-10,10))