From: Sylvestre Ledru <sylvestre.ledru@scilab-enterprises.com>
Date: Wed, 27 Mar 2013 10:15:16 +0000 (+0100)
Subject: add a unit test for lindquist based on the commit 909a8330d3fb367b12653522556ef26606f... 
X-Git-Tag: 5.4.1~74
X-Git-Url: http://gitweb.scilab.org/?p=scilab.git;a=commitdiff_plain;h=9364f8c741c8e864416bee6ceddf4d05ce491209

add a unit test for lindquist based on the commit 909a8330d3fb367b12653522556ef26606f7971a

Change-Id: I53005efc8760101932362e26a306329c1aacfa72
---

diff --git a/scilab/modules/signal_processing/tests/unit_tests/lindquist.dia.ref b/scilab/modules/signal_processing/tests/unit_tests/lindquist.dia.ref
new file mode 100644
index 0000000..3a7c56f
--- /dev/null
+++ b/scilab/modules/signal_processing/tests/unit_tests/lindquist.dia.ref
@@ -0,0 +1,27 @@
+// =============================================================================
+// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+// Copyright (C) 2013 - Scilab Enterprises - Charlotte Hecquet
+// Copyright (C) 2013 - Scilab Enterprises - Sylvestre Ledru
+//
+//  This file is distributed under the same license as the Scilab package.
+// =============================================================================
+//Generate signal
+x=%pi/10:%pi/10:102.4*%pi;
+y=[1; 1] * sin(x) + [sin(2*x); sin(1.9*x)];
+//Compute correlations
+c=[];
+for j=1:2
+   for k=1:2
+     c=[c;corr(y(k,:),y(j,:),64)];
+   end
+end
+c=matrix(c,2,128);
+//Find H,F,G with 6 states
+hk=hank(20,20,c);
+[H,F,G]=phc(hk,2,6);
+//Solve Riccati equation
+R0=c(1:2,1:2);
+[P,R,T]=lindquist(100,H,F,G,R0);
+assert_checkalmostequal(P,[52.953064387089377,-170.091664767326478;390.114441205931939,-1126.45220755477089;-2285.86604463640651,4579.41083686864113;1084.73413409944055,-1564.67420653525346;-5116.06921833499018,8743.68286689257002;-1976.40587294372335,3503.44251127613916]);
+assert_checkalmostequal([-704.208398385009673,1053.5647942803439;1053.5647942827934,-1981.29618548816984], R);
+assert_checkalmostequal(T, [-0.72821126450254769,-0.45461826616982365;-1.28940233637036883,-1.25076781365101763;0.25073933783035585,2.01963206598920664;3.13684440927242791,0.29283797163618436;-1.64165514197064755,1.68395444469620714;-1.61905018245414611,3.26102925315640091]);
diff --git a/scilab/modules/signal_processing/tests/unit_tests/lindquist.tst b/scilab/modules/signal_processing/tests/unit_tests/lindquist.tst
new file mode 100644
index 0000000..8415fe6
--- /dev/null
+++ b/scilab/modules/signal_processing/tests/unit_tests/lindquist.tst
@@ -0,0 +1,34 @@
+// =============================================================================
+// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+// Copyright (C) 2013 - Scilab Enterprises - Charlotte Hecquet
+// Copyright (C) 2013 - Scilab Enterprises - Sylvestre Ledru
+//
+//  This file is distributed under the same license as the Scilab package.
+// =============================================================================
+
+//Generate signal
+x=%pi/10:%pi/10:102.4*%pi;
+y=[1; 1] * sin(x) + [sin(2*x); sin(1.9*x)];
+
+//Compute correlations
+c=[];
+for j=1:2
+   for k=1:2
+     c=[c;corr(y(k,:),y(j,:),64)];
+   end
+end
+c=matrix(c,2,128);
+
+//Find H,F,G with 6 states
+hk=hank(20,20,c);
+[H,F,G]=phc(hk,2,6);
+
+//Solve Riccati equation
+R0=c(1:2,1:2);
+[P,R,T]=lindquist(100,H,F,G,R0);
+
+assert_checkalmostequal(P,[52.953064387089377,-170.091664767326478;390.114441205931939,-1126.45220755477089;-2285.86604463640651,4579.41083686864113;1084.73413409944055,-1564.67420653525346;-5116.06921833499018,8743.68286689257002;-1976.40587294372335,3503.44251127613916]);
+
+assert_checkalmostequal([-704.208398385009673,1053.5647942803439;1053.5647942827934,-1981.29618548816984], R);
+
+assert_checkalmostequal(T, [-0.72821126450254769,-0.45461826616982365;-1.28940233637036883,-1.25076781365101763;0.25073933783035585,2.01963206598920664;3.13684440927242791,0.29283797163618436;-1.64165514197064755,1.68395444469620714;-1.61905018245414611,3.26102925315640091]);