comparison m-toolbox/test/test_ao_sDomainFit_2.m @ 0:f0afece42f48

Import.
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Wed, 23 Nov 2011 19:22:13 +0100
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1 % Test script for sDomainFit in two dimensional case
2 %
3 % L. Ferraioli 02-12-08
4 %
5 % $Id: test_ao_sDomainFit_2.m,v 1.4 2009/08/06 21:55:34 luigi Exp $
6 %
7 %% Building a frequency response
8
9 % Create a frequency-series AO
10 pl_data1 = plist('fsfcn', '(1e-3./(f).^2 + 1e3./(0.001+f) + 1e5.*f.^2).*1e-10', 'f1', 1e-6, 'f2', 5, 'nf', 1000);
11 a1 = ao(pl_data1);
12
13 pl_data2 = plist('fsfcn', '(5e-3./(2e-5+f).^2 + 5e3./(0.001+f) + 5e4.*f.^2).*1e-10', 'f1', 1e-6, 'f2', 5, 'nf', 1000);
14 a2 = ao(pl_data2);
15
16 iplot(a1,a2)
17 a = [a1,a2];
18
19 %% Fitting
20
21 % Fitting parameter list
22 pl_fit = plist('AutoSearch','on',...
23 'StartPoles',[],...
24 'StartPolesOpt','clog',...
25 'maxiter',35,...
26 'minorder',10,...
27 'maxorder',25,...
28 'weights',[],...
29 'weightparam','abs',...
30 'CONDTYPE','MSE',...
31 'FITTOL',1e-3,...
32 'MSEVARTOL',1e-2,...
33 'Plot','off',...
34 'ForceStability','off',...
35 'direct term','off',...
36 'CheckProgress','off');
37
38 % Do fit
39 mod = sDomainFit(a, pl_fit);
40
41 %% Comparison
42
43 resp(2,1) = ao;
44 resids(2,1) = ao;
45 mse(2,1) = ao;
46
47 for ii = 1:numel(mod.objs)
48 resp(ii) = mod.objs(ii).procinfo.find('FIT_RESP');
49 resids(ii) = mod.objs(ii).procinfo.find('FIT_RESIDUALS');
50 mse(ii) = mod.objs(ii).procinfo.find('FIT_MSE');
51 end
52
53 iplot(a,resp,abs(resids))
54 iplot(mse,plist('Yscales',{'All','log'}))
55