Metric tensor
= Metric tensor
{title2=$g_{\mu\nu}$}
{wiki}
A metric tensor is a <nondegenerate bilinear form>[nondegenerate] symmetric <covariant tensor> that defines squared line elements by $ds^2=g_{\mu\nu}dx^\mu dx^\nu$.
= Metric tensor
{title2=$g_{\mu\nu}$}
{wiki}
A metric tensor is a <nondegenerate bilinear form>[nondegenerate] symmetric <covariant tensor> that defines squared line elements by $ds^2=g_{\mu\nu}dx^\mu dx^\nu$.