1 files changed, 16 insertions, 0 deletions
diff --git a/modules/cacsd/macros/specfact.sci b/modules/cacsd/macros/specfact.sci
new file mode 100755
index 000000000..56494b4ba
--- /dev/null
+++ b/modules/cacsd/macros/specfact.sci
@@ -0,0 +1,16 @@
+// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
+// Copyright (C) INRIA -
+//
+// This file must be used under the terms of the CeCILL.
+// This source file is licensed as described in the file COPYING, which
+// you should have received as part of this distribution.  The terms
+// are also available at
+// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
+
+function [w0,l]=specfact(a,b,c,d)
+
+    r=d+d';w0=sqrtm(r);
+    p=ricc(a-b/r*c,-b/r*b',c'/r*c,"cont");
+    //a'*p+p*a+(c'-p*b)*inv(r)*(c-b'*p) is zero
+    l=w0\(c-b'*p)
+endfunction