Pu_add getOptionID, enable not equal operation for options

BearImpOptions.m

@@ -122,12 +122,29 @@ classdef BearImpOptions < handle & dynamicprops & matlab.mixin.CustomDisplay & m
     end
 
     methods (Hidden)
-        function charOut = char(obj)
+        function str = getOptionID(obj)
+            % Gerates an abbreviated string according to the options chosen
+            str = ['T' lower(obj.T.char(1)) '_B' lower(obj.B.char(1)) '_H' lower(obj.H.filmThicknessFormula.char(1)) ];
+            if obj.H.thermalCorrection    == 'on', str = [str 't']; end
+            if obj.H.starvationCorrection == 'on', str = [str 's']; end
+            if obj.H.roughnessCorrection  == 'on', str = [str 'r']; end
+            str = [str '_C' lower(obj.C.outsideArea.char(1:2))];
+            if obj.C.k_vh_factor          == 'on' , str = [str 'k']; end
+            if obj.C.pressureDistribution == 'on' , str = [str 'p']; end
+            if obj.C.roughnessCorrection  ~= 'off', str = [str 'r']; end
+            str = [str lower(obj.C.rhoRatio.char(1))];
+        end
+        function charOut = char(obj,n)
+            arguments
+                obj
+                n {mustBeInteger} = []
+            end
             if strcmp(obj.optionChosen,'default') && ~obj.hasSubSubOptions
                 charOut = obj.defaultOption;
             else
                 charOut = obj.optionChosen;
             end
+            if ~isempty(n), charOut = charOut(n); end
         end
 
         function stringOut = string(obj)
@@ -138,6 +155,11 @@ classdef BearImpOptions < handle & dynamicprops & matlab.mixin.CustomDisplay & m
             cellOut = {char(obj)};
         end
 
+        function logicalOut = ne(obj,otherObj)
+            nargoutchk(0,1)
+            logicalOut = ~eq(obj,otherObj);
+        end
+
         function [logicalOut,diffs] = eq(obj,otherObj)
             nargoutchk(0,2)
             logicalOut = true;