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annotate m-toolbox/classes/@tsdata/evenly.m @ 0:f0afece42f48

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Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % EVENLY defines if the data is evenly sampled or not
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Daniele Nicolodi <nicolodi@science.unitn.it>
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2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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3 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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4 % DESCRIPTION:
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5 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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6 % CALL: evenly = evenly(data)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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7 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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8 % INPUTS: tsdata - a tsdata object
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Daniele Nicolodi <nicolodi@science.unitn.it>
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9 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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10 % OUTPUTS: evenly - signals whether the data is regularly sampled or not
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11 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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12 % VERSION: $Id: evenly.m,v 1.1 2010/04/30 14:56:30 nicolodi Exp $
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Daniele Nicolodi <nicolodi@science.unitn.it>
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13 %
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Daniele Nicolodi <nicolodi@science.unitn.it>
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14 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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15
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Daniele Nicolodi <nicolodi@science.unitn.it>
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16 function evenly = evenly(data)
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17
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Daniele Nicolodi <nicolodi@science.unitn.it>
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18 % if the x vector has a null dimension ether the tsdata is empty or
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Daniele Nicolodi <nicolodi@science.unitn.it>
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19 % the x vector has been collapsed. in those cases the data is
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Daniele Nicolodi <nicolodi@science.unitn.it>
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20 % assumed to be evenly sampled
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Daniele Nicolodi <nicolodi@science.unitn.it>
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21 if isempty(data.x)
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Daniele Nicolodi <nicolodi@science.unitn.it>
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22 evenly = true;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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23 return;
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Daniele Nicolodi <nicolodi@science.unitn.it>
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24 end
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Daniele Nicolodi <nicolodi@science.unitn.it>
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25
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Daniele Nicolodi <nicolodi@science.unitn.it>
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26 % otherwise we fall back to the fitfs method
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Daniele Nicolodi <nicolodi@science.unitn.it>
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27 [fs, t0, uneven] = tsdata.fitfs(data.x);
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Daniele Nicolodi <nicolodi@science.unitn.it>
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28 evenly = ~uneven;
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29
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30 end
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