annotate kroneckerDelta.m @ 834:f1f0bf087e1c feature/burgers1d

Add support for artificial viscosity - Add option to use upwind operators for discretizing the scheme - Add option to use dissipation operators constructed from undivided differences when discretizing with narrow stencil operators
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 13 Sep 2018 14:21:47 +0200
parents b189bc409cdb
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
662
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
1 function d = kroneckerDelta(i,j)
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
2
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
3 d = 0;
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
4 if i==j
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
5 d = 1;
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff changeset
6 end