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annotate +blockmatrix/isDivision.m @ 579:a5f1b0267dba feature/grids

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Be less strict about what is considered a block matrix Empty blocks of different sizes are now allowed as well as empty block dimensions
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 07 Sep 2017 09:21:04 +0200
parents 764438b52541
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)
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4 b = false;
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5 return
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6 end
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7
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
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8 % Make sure it has the right shape
764438b52541 blockmatrix: Added functions to test for block matrcies and divisions.
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9 if numel(div) ~= 2
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10 b = false;
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11 return
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12 end
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13
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14 if ~isDivisionVector(div{1}) || ~isDivisionVector(div{2})
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15 b = false;
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16 return
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17 end
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18
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19 b = true;
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20 end
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21
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22 function b = isDivisionVector(v)
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23 if isempty(v)
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a5f1b0267dba Be less strict about what is considered a block matrix
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parents: 203
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24 b = true;
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25 return
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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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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