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view sortd.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 | 48b6fb693025 |
children |
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% Sorts x with respect to the function d % d is a function that accepts an element of x and returns a scalar. function y = sortd(d,x) v = []; for i = 1:length(x) v(i) = d(x(i)); end [~,I] = sort(v); y = x(I); end