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1 | function product=prod(X) |
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2 | %PROD (overloaded) |
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3 | |
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4 | % Author Johan L÷fberg |
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5 | % $Id: prod.m,v 1.3 2005/12/05 15:56:30 joloef Exp $ |
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6 | |
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7 | |
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8 | % n = length(X); |
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9 | % switch n |
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10 | % case 1 |
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11 | % product = X; |
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12 | % case 2 |
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13 | % x1 = extsubsref(X,1); |
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14 | % x2 = extsubsref(X,2); |
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15 | % product = x1*x2; |
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16 | % case 3 |
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17 | % x1 = extsubsref(X,1); |
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18 | % x2 = extsubsref(X,2); |
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19 | % x3 = extsubsref(X,3); |
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20 | % product = x1*x2*x3; |
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21 | % |
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22 | % otherwise |
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23 | % m = floor(length(X)/2); |
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24 | % x1 = extsubsref(X,1:m); |
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25 | % x2 = extsubsref(X,m+1:n); |
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26 | % product = prod(x1)*prod(x2); |
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27 | % end |
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28 | % |
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29 | product = 1; |
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30 | for i = 1:length(X) |
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31 | pick = cell(1,1);pick{1}={i}; |
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32 | product = product*subsref(X,struct('type','()','subs',pick)); |
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33 | end |
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