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annotate kroneckerDelta.m @ 1154:3108963cc42c feature/rv

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Improve efficiency of diffOps in Burgers2d, the artificial diffusion operator in rv.constructDiffOps and the RungekuttaExteriorRv time-steppers
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 06 Mar 2019 09:45:52 +0100
parents b189bc409cdb
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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662
b189bc409cdb Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
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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:
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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:
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6 end