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annotate +scheme/error2d.m @ 845:1e057b0f2fed feature/burgers1d

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Add RK6 with residual viscosity update and reduce computational effort of spatial scheme - Add RK6 with residual updates - Change the D2 operator for upwind schemes to one less computationally expensive.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Wed, 19 Sep 2018 16:32:05 +0200
parents ed6a704b028d
children
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26
ed6a704b028d Made some changes to error functions and comparison functions before finalizing convergence script.
Jonatan Werpers <jonatan@werpers.com>
parents: 15
diff changeset
1 function e = error2d(discr, v1, v2)
ed6a704b028d Made some changes to error functions and comparison functions before finalizing convergence script.
Jonatan Werpers <jonatan@werpers.com>
parents: 15
diff changeset
2 % If v1 and v2 are more complex types, something like grid functions... Then we may use .getVectorFrom here!
ed6a704b028d Made some changes to error functions and comparison functions before finalizing convergence script.
Jonatan Werpers <jonatan@werpers.com>
parents: 15
diff changeset
3 h = discr.h;
ed6a704b028d Made some changes to error functions and comparison functions before finalizing convergence script.
Jonatan Werpers <jonatan@werpers.com>
parents: 15
diff changeset
4 e = sqrt(h.^2*sum((v1-v2).^2));
15
16bad7c459da Added abstract methods to allow for comparing of solutions. Added a bunch of error functions.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
5 end