Untitled

68 days ago by yslee

var('x, y') implicit_plot(x^2+y^2==4, (x, -3, 3), (y, -3, 3), axes=True, labels=True)+text("x-axes",(3,0)) 
       
A=[1,2,-3] 
       
-3
-3
var('t') r=vector([cos(t), sin(t)]) diff(r, t) 
       
(-sin(t), cos(t))
(-sin(t), cos(t))
integral(r,t, 0,pi) 
       
(0, 2)
(0, 2)