Parametric plane curve
= Parametric plane curve
A <parametric curve> in the plane, given by two coordinate functions $x(t),y(t)$. Its speed is $\sqrt{x'(t)^2+y'(t)^2}$ wherever these derivatives exist, giving its <arc length> by <integration>.
= Parametric plane curve
A <parametric curve> in the plane, given by two coordinate functions $x(t),y(t)$. Its speed is $\sqrt{x'(t)^2+y'(t)^2}$ wherever these derivatives exist, giving its <arc length> by <integration>.