Last change
on this file since 4 was
4,
checked in by zhangj, 11 years ago
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Initial import--MML version from SOLEIL@2013
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File size:
1.7 KB
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Line | |
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1 | function stringExpression = configparser_fn(functionName,nb) |
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2 | % configparser_fn - Contructs a expression for TangoParser |
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3 | % |
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4 | % INPUTS |
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5 | % 1. functionName - 'Mean' - mean value expression |
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6 | % - 'Rms' - rms value expression |
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7 | % 2. nb - Number of terms for computing the expression |
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8 | % |
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9 | % OUTPUTS |
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10 | % 1. stringExpression - Expression for tangoparser formula input |
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11 | % |
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12 | % See also configparser |
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13 | if nb <2 |
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14 | error('nb too small') |
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15 | end |
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16 | |
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17 | switch functionName |
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18 | case 'Mean' |
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19 | % set expression |
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20 | stringExpression = []; |
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21 | for k=1:nb, |
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22 | if k ~= nb && k ~= 1 |
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23 | stringExpression = [stringExpression 'x' num2str(k) '+']; |
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24 | elseif k == 1 |
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25 | stringExpression = ['(' stringExpression 'x' num2str(k) '+']; |
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26 | elseif k == nb |
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27 | stringExpression = [stringExpression 'x' num2str(k) ')/' num2str(nb)]; |
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28 | end |
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29 | end |
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30 | case 'Rms' |
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31 | muExpression = []; |
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32 | x2Expression = []; |
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33 | for k=1:nb, |
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34 | if k ~= nb && k ~= 1 |
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35 | muExpression = [muExpression 'x' num2str(k) '+']; |
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36 | x2Expression = [x2Expression 'x' num2str(k) '*' 'x' num2str(k) '+']; |
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37 | elseif k == 1 |
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38 | muExpression = ['(' muExpression 'x' num2str(k) '+']; |
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39 | x2Expression = ['(' x2Expression 'x' num2str(k) '*' 'x' num2str(k) '+']; |
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40 | elseif k == nb |
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41 | muExpression = [muExpression 'x' num2str(k) ')/' num2str(nb)]; |
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42 | x2Expression = [x2Expression 'x' num2str(k) '*' 'x' num2str(k) ')/' num2str(nb)]; |
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43 | end |
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44 | end |
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45 | stringExpression = [ num2str(nb) '/' num2str(nb-1) '*(' x2Expression '-' muExpression '*' muExpression ')']; |
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46 | otherwise |
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47 | error('Unknown function') |
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48 | end |
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