--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/m-toolbox/classes/@rational/fromCoefficients.m	Wed Nov 23 19:22:13 2011 +0100
@@ -0,0 +1,36 @@
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+% FUNCTION:    fromCoefficients
+%
+% DESCRIPTION: Construct a rational from num and den coefficients
+%
+% CALL:        r = fromCoefficients(a, pl)
+%
+% PARAMETER:   pl   - plist
+%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+function r = fromCoefficients(r, pli)
+  
+  VERSION = '$Id: fromCoefficients.m,v 1.7 2011/08/15 12:42:01 hewitson Exp $';
+  
+  
+  % get pzmodel info
+  ii = rational.getInfo('rational', 'From Coefficients');
+  
+  % Set the method version string in the minfo object
+  ii.setMversion([VERSION '-->' ii.mversion]);
+  
+  % Combine input plist with default values
+  pl = applyDefaults(ii.plists, pli);
+  
+  % Set fields
+  r.num = find(pl, 'num');
+  r.den = find(pl, 'den');
+  
+  % Add history
+  r.addHistory(ii, pl, [], []);
+  
+  % Set object properties
+  r.setObjectProperties(pl);
+  
+end