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annotate +util/get_grid.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 7067bf8adbfa
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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64
7067bf8adbfa Fixed some typing and added function to plot eigen values of a matrix.
Jonatan Werpers <jonatan@werpers.com>
parents: 0
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1 % [x,h] = get_grid(a,b,m)
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48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
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2 function [x,h] = get_grid(a,b,m)
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
diff changeset
3 % TODO: allow the interval to be a vector
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
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4 x = linspace(a,b,m)';
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
parents:
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5 h = (b-a)/(m-1);
48b6fb693025 Initial commit.
Jonatan Werpers <jonatan@werpers.com>
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6 end