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annotate +blockmatrix/isDivision.m @ 1037:2d7ba44340d0 feature/burgers1d

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Pass scheme specific parameters as cell array. This will enabale constructDiffOps to be more general. In addition, allow for schemes returning function handles as diffOps, which is currently how non-linear schemes such as Burgers1d are implemented.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 18 Jan 2019 09:02:02 +0100
parents a5f1b0267dba
children
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764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
Jonatan Werpers <jonatan@werpers.com>
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1 function b = isDivision(div)
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2 % Make sure it is a cellarray
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3 if ~iscell(div)
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
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4 b = false;
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
Jonatan Werpers <jonatan@werpers.com>
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5 return
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6 end
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Jonatan Werpers <jonatan@werpers.com>
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7
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
Jonatan Werpers <jonatan@werpers.com>
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8 % Make sure it has the right shape
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
Jonatan Werpers <jonatan@werpers.com>
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9 if numel(div) ~= 2
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
Jonatan Werpers <jonatan@werpers.com>
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10 b = false;
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11 return
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12 end
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Jonatan Werpers <jonatan@werpers.com>
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13
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14 if ~isDivisionVector(div{1}) || ~isDivisionVector(div{2})
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
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15 b = false;
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16 return
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17 end
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Jonatan Werpers <jonatan@werpers.com>
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18
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
Jonatan Werpers <jonatan@werpers.com>
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19 b = true;
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20 end
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parents:
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21
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22 function b = isDivisionVector(v)
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Jonatan Werpers <jonatan@werpers.com>
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23 if isempty(v)
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a5f1b0267dba Be less strict about what is considered a block matrix
Jonatan Werpers <jonatan@werpers.com>
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24 b = true;
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Jonatan Werpers <jonatan@werpers.com>
parents:
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25 return
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Jonatan Werpers <jonatan@werpers.com>
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26 end
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27
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28 if any(v < 0)
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29 b = false;
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Jonatan Werpers <jonatan@werpers.com>
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30 return
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31 end
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32
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33 b = true;
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34 end