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.\" label: /*Class:sherwin
.SH NAME
\fBRTk\fP - The Raviart-Thomas vector-valued polynomial basis
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.SH SYNOPSIS

space Vh(omega,"RT0");
.SH DESCRIPTION

This \fBbasis\fP is described
in Raviart and Thomas (Mathematical aspects of finite element methods, Springer, 1977).
It is indicated in the \fBspace\fP (see space(2))
by a string starting with
the two letters \fB"RT"\fP,
followed by digits indicating the polynomial order.
.PP
.SH OPTIONS

This basis recognizes the equispaced/warburton node option
for degrees of freedom located on sides.
See basis_option(2).
.PP
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.SH SEE ALSO
space(2), basis_option(2)
.SH COPYRIGHT
Copyright (C) 2000-2018 Pierre Saramito <Pierre.Saramito@imag.fr> GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.