From: Christian Bauer Date: Wed, 21 Mar 2001 21:01:58 +0000 (+0000) Subject: the tensor returned by metric_tensor() is symmetric X-Git-Tag: release_0-8-0~17 X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=commitdiff_plain;h=1e8bbe7edb203ebfbfb169b7d3f84354fce2a2d0 the tensor returned by metric_tensor() is symmetric --- diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi index 7ee78cb9..fe09793d 100644 --- a/doc/tutorial/ginac.texi +++ b/doc/tutorial/ginac.texi @@ -1640,9 +1640,9 @@ representation @code{diag(1,1,1,...)}. It is constructed by the function @cindex @code{metric_tensor()} @subsubsection General metric tensor -The function @code{metric_tensor()} creates a general metric tensor with -two indices that can be used to raise/lower tensor indices. The metric -tensor is denoted as @samp{g} in the output and if its indices are of +The function @code{metric_tensor()} creates a general symmetric metric +tensor with two indices that can be used to raise/lower tensor indices. The +metric tensor is denoted as @samp{g} in the output and if its indices are of mixed variance it is automatically replaced by a delta tensor: @example