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comparison toolboxes/FullBNT-1.0.7/netlab3.3/rosen.m @ 0:cc4b1211e677 tip
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| author | Daniel Wolff |
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| date | Fri, 19 Aug 2016 13:07:06 +0200 |
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| -1:000000000000 | 0:cc4b1211e677 |
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| 1 function y = rosen(x) | |
| 2 %ROSEN Calculate Rosenbrock's function. | |
| 3 % | |
| 4 % Description | |
| 5 % Y = ROSEN(X) computes the value of Rosenbrock's function at each row | |
| 6 % of X, which should have two columns. | |
| 7 % | |
| 8 % See also | |
| 9 % DEMOPT1, ROSEGRAD | |
| 10 % | |
| 11 | |
| 12 % Copyright (c) Ian T Nabney (1996-2001) | |
| 13 | |
| 14 % Calculate value of Rosenbrock's function: x should be nrows by 2 columns | |
| 15 | |
| 16 y = 100 * ((x(:,2) - x(:,1).^2).^2) + (1.0 - x(:,1)).^2; |