Mercurial > repos > public > sbplib
annotate kroneckerDelta.m @ 1013:eb441fbdf379 feature/advectionRV
Draft implementation of RungeKutta with exterior RV updates
- Draft class RungeKuttaExteriorRV which updates the residual using a BDF approximation of the derivtive outside of the RK stages.
- Draft class for BDF derivative
author | Vidar Stiernström <vidar.stiernstrom@it.uu.se> |
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date | Wed, 05 Dec 2018 15:04:44 +0100 |
parents | b189bc409cdb |
children |
rev | line source |
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b189bc409cdb
Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff
changeset
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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
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2 |
b189bc409cdb
Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff
changeset
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3 d = 0; |
b189bc409cdb
Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff
changeset
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4 if i==j |
b189bc409cdb
Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff
changeset
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5 d = 1; |
b189bc409cdb
Add helper function for kronecker delta.
Martin Almquist <malmquist@stanford.edu>
parents:
diff
changeset
|
6 end |