Parametric curve
= Parametric curve
{title2=$Q(t)$}
A <parametric curve> is described by a vector-valued map $t\mapsto Q(t)$. Its <derivative> gives a <tangent vector> wherever it is nonzero.
// Target: geometry-and-topology.bigb
= Parametric curve
{title2=$Q(t)$}
A <parametric curve> is described by a vector-valued map $t\mapsto Q(t)$. Its <derivative> gives a <tangent vector> wherever it is nonzero.
// Target: geometry-and-topology.bigb