Calculus of variations
Using this2 yy^00 +y^02
= 0
2 ydu
dx+
y^02
= 0
2 y(x)d
dyu(y(x))d
dxy(x)+u(^2) (x) = 0
2 y(x) d
dy
u(y(x))u(y(x))+u^2 (y(x)) = 0.
greg delong
(Greg DeLong)
#1
Using this2 yy^00 +y^02 ydu
dxy^02 y(x)d
dyu(y(x))d
dxy(x)+u(^2) (x) = 0
2 y(x) d
dy
u(y(x))u(y(x))+u^2 (y(x)) = 0.